Result of trunk_gcc5@silicon-docker at 2018-06-29 19:16:06 +0900

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<div><a href='/'>top</a> / <a href='/results/trunk_gcc5@silicon-docker'>trunk_gcc5@silicon-docker</a></div>
<h1>Result of trunk_gcc5@silicon-docker at <a href='/results/trunk_gcc5@silicon-docker/1059639'>2018-06-29 19:16:06 +0900</a></h1>
<p>
    <ul>
      <li class='failed_line'>NG (r63788)
        <a href='https://gist.github.com/1862389801c22bc1eefaa98781ca87b1
'>[LOG]</a>
      </li>
      
      <li><pre>Linux silicon-docker 4.9.0-6-amd64 #1 SMP Debian 4.9.82-1+deb9u2 (2018-02-21) x86_64 x86_64 x86_64 GNU&#x2F;Linux
</pre></li>
      <li><pre>rev: 63788
test-all : 
test-spec: 
exit statuses:
  &quot;make update-download -j6&quot; exit with 0.
  &quot;make update-rubyspec -j6&quot; exit with 0.
  &quot;make update-src      -j6&quot; exit with 0.
  &quot;make after-update    -j6&quot; exit with 0.
  &quot;make miniruby -j6&quot; exit with 0.
  &quot;make ruby -j6&quot; exit with 0.
  &quot;make all -j6&quot; exit with 0.
  &quot;make install -j6&quot; exit with 0.
  &quot;make yes-btest TESTS=&#x27;-j6&#x27;&quot; exit with 0.
  &quot;make yes-test-basic TESTS=&#x27;-j6&#x27;&quot; exit with 0.
Logfile: &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;logs&#x2F;brlog.trunk_gcc5.20180629-071520
#&lt;BuildRuby:0x0055641d9fc898
 @BUILD_DIR=&quot;&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&quot;,
 @INSTALL_DIR=&quot;&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;install&quot;,
 @REPOSITORY=&quot;https:&#x2F;&#x2F;svn.ruby-lang.org&#x2F;repos&#x2F;ruby&#x2F;trunk&quot;,
 @REPOSITORY_TYPE=:svn,
 @SRC_DIR=&quot;&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&quot;,
 @TARGET_BUILD_DIR=&quot;&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&quot;,
 @TARGET_INSTALL_DIR=&quot;&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;install&#x2F;trunk_gcc5&quot;,
 @TARGET_NAME=&quot;trunk_gcc5&quot;,
 @TARGET_SRC_DIR=&quot;&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&quot;,
 @build_opts=&quot;-j6&quot;,
 @configure_opts=[&quot;CC=gcc-5&quot;],
 @gist=false,
 @git_branch=nil,
 @incremental=true,
 @logfile=&quot;&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;logs&#x2F;brlog.trunk_gcc5.20180629-071520&quot;,
 @quiet=false,
 @steps=
  [&quot;checkout&quot;,
   &quot;autoconf&quot;,
   &quot;configure&quot;,
   &quot;build_up&quot;,
   &quot;build_miniruby&quot;,
   &quot;build_ruby&quot;,
   &quot;build_all&quot;,
   &quot;build_install&quot;,
   &quot;test_btest&quot;,
   &quot;test_basic&quot;,
   &quot;test_all&quot;,
   &quot;test_rubyspec&quot;],
 @svn_revision=nil,
 @test_opts=&quot;TESTS=&#x27;-j6&#x27;&quot;,
 @timeout=10800&gt;
                           user     system      total        real
checkout               0.000000   0.000000   0.000000 (  0.000028)
autoconf               0.000000   0.000000   0.000000 (  0.000057)
configure              0.000000   0.000000   0.000000 (  0.000057)
build_up               0.010000   0.000000   1.700000 (  1.231735)
build_miniruby         0.000000   0.000000   0.090000 (  0.096079)
build_ruby             0.000000   0.000000   0.080000 (  0.078666)
build_all              0.020000   0.010000   1.940000 (  1.194454)
build_install          0.020000   0.000000   3.060000 (  2.455538)
test_btest           test_attr.rb             ..
test_autoload.rb         ........
test_block.rb            ..........................................................
test_class.rb            ................................................
test_eval.rb             .....................................
test_exception.rb        ..................................
test_finalizer.rb        .
test_flip.rb             .
test_flow.rb             .............................................................
test_fork.rb             ....
test_gc.rb               ..
test_insns.rb            ........................................................................................................................................................................................................................................................................................................................................................................................
test_io.rb               .........
test_jump.rb             .............................
test_literal.rb          ...........................................................................................................................................................
test_literal_suffix.rb   ................................................
test_load.rb             ..
test_marshal.rb          .
test_massign.rb          ..................................
test_method.rb           ...............................................................................................................................................................................................................................
test_objectspace.rb      .....
test_proc.rb             .......................................
test_string.rb           .
test_struct.rb           .
test_syntax.rb           ............................................................................................................................................................
test_thread.rb           ..................................................
PASS all 1385 tests
  0.000000   0.000000  28.900000 ( 32.416485)
test_basic             0.000000   0.010000   0.560000 (  0.767753)
test_all             $$$ #&lt;Timeout::Error: execution expired&gt;
 PPID   PID  PGID   SID TTY      TPGID STAT   UID   TIME COMMAND
   12    13    13    13 ?           -1 Ss    1001   0:04 sh build-loop.sh trunk_gcc5 --incremental --process-num=6
   13 12746    13    13 ?           -1 Sl    1001   0:00 ruby .&#x2F;br.rb build_report trunk_gcc5 --incremental --process-num=6
12746 12748    13    13 ?           -1 Sl    1001   0:00 ruby &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb --target_name=trunk_gcc5 --logfile=&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;logs&#x2F;brlog.trunk_gcc5.20180629-071520 --timeout=10800 --configure_opts=CC=gcc-5 --incremental --process-num=6
12748 16453    13    13 ?           -1 S     1001   0:00 sh -c make yes-test-all TESTS=&#x27;-j6&#x27;
16453 16455    13    13 ?           -1 S     1001   0:00 make yes-test-all TESTS=-j6
16455 16457    13    13 ?           -1 Sl    1001   0:04 &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;ruby --disable-gems &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;runner.rb --ruby=.&#x2F;miniruby -I&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;lib -I. -I.ext&#x2F;common  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;tool&#x2F;runruby.rb --extout=.ext  -- --disable-gems --excludes-dir=&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;excludes --name=!&#x2F;memory_leak&#x2F; -j6
16457 16463    13    13 ?           -1 Sl    1001   0:38 &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit&#x2F;parallel.rb: TestSetTraceFunc#test_tracepoint_with_multithreads
12748 26545    13    13 ?           -1 R     1001   0:00 ps jx
{12=&gt;[13], 13=&gt;[12746], 12746=&gt;[12748], 12748=&gt;[16453, 26545], 16453=&gt;[16455], 16455=&gt;[16457], 16457=&gt;[16463]}
&quot;gdb -p 16463 -x &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;gdbscript -batch -quiet&quot;
[New LWP 16481]
[New LWP 18355]
[New LWP 20399]
[New LWP 20402]
[New LWP 21171]
[New LWP 21173]
[New LWP 21174]
[New LWP 21175]
[New LWP 21176]
[New LWP 21177]
[New LWP 21178]
[New LWP 21179]
[Thread debugging using libthread_db enabled]
Using host libthread_db library &quot;&#x2F;lib&#x2F;x86_64-linux-gnu&#x2F;libthread_db.so.1&quot;.
88	..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h: No such file or directory.
0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b62fc) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
&gt;&gt;&gt; Machine level backtrace

Thread 13 (Thread 0x7f79f4546700 (LWP 21179)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b6a18) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6960, cond=0x5610552b69f0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x5610552b69f0, mutex=mutex@entry=0x5610552b6960) at pthread_cond_wait.c:655
#3  0x00005610540a3c41 in rb_native_cond_wait (mutex=0x5610552b6960, cond=0x5610552b69f0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  gvl_yield (th=0x5610562e50a0, vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:134
#5  rb_thread_schedule_limits (limits_us=limits_us@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1363
#6  0x00005610540a454b in rb_thread_schedule () at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1373
#7  thread_s_pass (klass=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1671
#8  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610565a02f0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4646e88, ec=0x5610562e5318) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#9  vm_call_cfunc (ec=0x5610562e5318, reg_cfp=0x7f79f4646e88, calling=&lt;optimized out&gt;, ci=0x5610565a02f0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#10 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610562e5318, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#11 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e5318, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#12 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4646f10, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e5318) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#13 invoke_iseq_block_from_c (ec=0x5610562e5318, captured=0x7f79f4646f10, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#14 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#15 vm_yield (argc=1, argv=0x7f79f4544b38, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#16 rb_yield_0 (argv=0x7f79f4544b38, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#17 rb_yield_1 (val=val@entry=11) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#18 0x0000561053fcea4e in int_dotimes (num=21) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#19 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561055b06cd0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4646ef8, ec=0x5610562e5318) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#20 vm_call_cfunc (ec=0x5610562e5318, reg_cfp=0x7f79f4646ef8, calling=&lt;optimized out&gt;, ci=0x561055b06cd0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#21 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e5318, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#22 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e5318, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#23 0x00005610540e1fb9 in invoke_block (captured=0x5610567e7f00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e5318) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#24 invoke_iseq_block_from_c (ec=0x5610562e5318, captured=0x5610567e7f00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#25 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=1, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#26 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#27 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, argc=argc@entry=1, argv=argv@entry=0x7f79f4545088, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#28 0x000056105400b4be in rb_proc_call_with_block (self=94628160822440, argc=argc@entry=1, argv=argv@entry=0x7f79f4545088, passed_procval=passed_procval@entry=8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;proc.c:902
#29 0x00005610540f67f8 in tp_call_trace (tpval=94628160822400, trace_arg=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:1080
#30 0x00005610540f8331 in exec_hooks_body (list=0x5610552b6db8, trace_arg=0x7f79f4545280, ec=0x5610562e5318) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:272
#31 exec_hooks_protected (ec=ec@entry=0x5610562e5318, vm=vm@entry=0x5610552b6950, list=list@entry=0x5610552b6db8, trace_arg=trace_arg@entry=0x7f79f4545280) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:319
#32 0x00005610540fa0a4 in rb_exec_event_hooks (trace_arg=trace_arg@entry=0x7f79f4545280, pop_p=pop_p@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:359
#33 0x00005610540d5746 in rb_exec_event_hook_orig (pop_p=0, data=&lt;optimized out&gt;, klass=0, called_id=0, id=0, self=&lt;optimized out&gt;, flag=&lt;optimized out&gt;, ec=0x5610562e5318) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_core.h:1791
#34 vm_trace (ec=ec@entry=0x5610562e5318, reg_cfp=reg_cfp@entry=0x7f79f4646f30, pc=pc@entry=0x561055e5baf0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:3895
#35 0x00005610540eb65f in vm_exec_core (ec=ec@entry=0x5610562e5318, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;vm.inc:3693
#36 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e5318, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#37 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4646fb8, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e5318) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#38 invoke_iseq_block_from_c (ec=0x5610562e5318, captured=0x7f79f4646fb8, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#39 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#40 vm_yield (argc=1, argv=0x7f79f45456c8, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#41 rb_yield_0 (argv=0x7f79f45456c8, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#42 rb_yield_1 (val=val@entry=1217) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#43 0x0000561053fcea4e in int_dotimes (num=2001) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#44 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105616c190, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4646fa0, ec=0x5610562e5318) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#45 vm_call_cfunc (ec=0x5610562e5318, reg_cfp=0x7f79f4646fa0, calling=&lt;optimized out&gt;, ci=0x56105616c190, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#46 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e5318, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#47 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e5318, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#48 0x00005610540e1fb9 in invoke_block (captured=0x561056488a50, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e5318) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#49 invoke_iseq_block_from_c (ec=0x5610562e5318, captured=0x561056488a50, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#50 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#51 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#52 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x561056488a50, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#53 0x00005610540a7449 in thread_do_start (args=94628160816520, th=0x5610562e50a0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#54 thread_start_func_2 (th=th@entry=0x5610562e50a0, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#55 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#56 0x00007f7a090a17fc in start_thread (arg=0x7f79f4546700) at pthread_create.c:465
#57 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 12 (Thread 0x7f79f4668700 (LWP 21178)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b69bc) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6960, cond=0x5610552b6990) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x5610552b6990, mutex=mutex@entry=0x5610552b6960) at pthread_cond_wait.c:655
#3  0x00005610540a3b0b in rb_native_cond_wait (mutex=0x5610552b6960, cond=0x5610552b6990) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  gvl_acquire_common (vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:86
#5  gvl_yield (th=0x5610562e47f0, vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:154
#6  rb_thread_schedule_limits (limits_us=limits_us@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1363
#7  0x00005610540a454b in rb_thread_schedule () at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1373
#8  thread_s_pass (klass=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1671
#9  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610565a02f0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4768e88, ec=0x5610562e4a68) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#10 vm_call_cfunc (ec=0x5610562e4a68, reg_cfp=0x7f79f4768e88, calling=&lt;optimized out&gt;, ci=0x5610565a02f0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#11 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610562e4a68, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#12 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e4a68, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#13 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4768f10, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e4a68) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#14 invoke_iseq_block_from_c (ec=0x5610562e4a68, captured=0x7f79f4768f10, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#15 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#16 vm_yield (argc=1, argv=0x7f79f4666b38, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#17 rb_yield_0 (argv=0x7f79f4666b38, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#18 rb_yield_1 (val=val@entry=15) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#19 0x0000561053fcea4e in int_dotimes (num=21) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#20 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561055b06cd0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4768ef8, ec=0x5610562e4a68) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#21 vm_call_cfunc (ec=0x5610562e4a68, reg_cfp=0x7f79f4768ef8, calling=&lt;optimized out&gt;, ci=0x561055b06cd0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#22 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e4a68, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#23 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e4a68, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#24 0x00005610540e1fb9 in invoke_block (captured=0x5610567e7f00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e4a68) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#25 invoke_iseq_block_from_c (ec=0x5610562e4a68, captured=0x5610567e7f00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#26 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=1, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#27 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#28 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, argc=argc@entry=1, argv=argv@entry=0x7f79f4667088, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#29 0x000056105400b4be in rb_proc_call_with_block (self=94628160822440, argc=argc@entry=1, argv=argv@entry=0x7f79f4667088, passed_procval=passed_procval@entry=8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;proc.c:902
#30 0x00005610540f67f8 in tp_call_trace (tpval=94628160822400, trace_arg=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:1080
#31 0x00005610540f8331 in exec_hooks_body (list=0x5610552b6db8, trace_arg=0x7f79f4667280, ec=0x5610562e4a68) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:272
#32 exec_hooks_protected (ec=ec@entry=0x5610562e4a68, vm=vm@entry=0x5610552b6950, list=list@entry=0x5610552b6db8, trace_arg=trace_arg@entry=0x7f79f4667280) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:319
#33 0x00005610540fa0a4 in rb_exec_event_hooks (trace_arg=trace_arg@entry=0x7f79f4667280, pop_p=pop_p@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:359
#34 0x00005610540d581f in rb_exec_event_hook_orig (pop_p=0, data=52, klass=0, called_id=0, id=0, self=&lt;optimized out&gt;, flag=256, ec=0x5610562e4a68) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_core.h:1791
#35 vm_trace (ec=ec@entry=0x5610562e4a68, reg_cfp=reg_cfp@entry=0x7f79f4768f30, pc=pc@entry=0x561055e5bae0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:3880
#36 0x00005610540e9e1f in vm_exec_core (ec=ec@entry=0x5610562e4a68, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;vm.inc:3237
#37 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e4a68, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#38 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4768fb8, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e4a68) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#39 invoke_iseq_block_from_c (ec=0x5610562e4a68, captured=0x7f79f4768fb8, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#40 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#41 vm_yield (argc=1, argv=0x7f79f46676c8, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#42 rb_yield_0 (argv=0x7f79f46676c8, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#43 rb_yield_1 (val=val@entry=1093) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#44 0x0000561053fcea4e in int_dotimes (num=2001) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#45 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105616c190, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4768fa0, ec=0x5610562e4a68) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#46 vm_call_cfunc (ec=0x5610562e4a68, reg_cfp=0x7f79f4768fa0, calling=&lt;optimized out&gt;, ci=0x56105616c190, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#47 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e4a68, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#48 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e4a68, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#49 0x00005610540e1fb9 in invoke_block (captured=0x561056481750, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e4a68) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#50 invoke_iseq_block_from_c (ec=0x5610562e4a68, captured=0x561056481750, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#51 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#52 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#53 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x561056481750, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#54 0x00005610540a7449 in thread_do_start (args=94628160817040, th=0x5610562e47f0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#55 thread_start_func_2 (th=th@entry=0x5610562e47f0, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#56 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#57 0x00007f7a090a17fc in start_thread (arg=0x7f79f4668700) at pthread_create.c:465
#58 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 11 (Thread 0x7f79f478a700 (LWP 21177)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b69bc) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6960, cond=0x5610552b6990) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x5610552b6990, mutex=mutex@entry=0x5610552b6960) at pthread_cond_wait.c:655
#3  0x00005610540a3b0b in rb_native_cond_wait (mutex=0x5610552b6960, cond=0x5610552b6990) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  gvl_acquire_common (vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:86
#5  gvl_yield (th=0x5610562e3f40, vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:154
#6  rb_thread_schedule_limits (limits_us=limits_us@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1363
#7  0x00005610540a454b in rb_thread_schedule () at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1373
#8  thread_s_pass (klass=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1671
#9  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610565a02f0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f488ae88, ec=0x5610562e41b8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#10 vm_call_cfunc (ec=0x5610562e41b8, reg_cfp=0x7f79f488ae88, calling=&lt;optimized out&gt;, ci=0x5610565a02f0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#11 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610562e41b8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#12 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e41b8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#13 0x00005610540e1fb9 in invoke_block (captured=0x7f79f488af10, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e41b8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#14 invoke_iseq_block_from_c (ec=0x5610562e41b8, captured=0x7f79f488af10, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#15 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#16 vm_yield (argc=1, argv=0x7f79f4788b38, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#17 rb_yield_0 (argv=0x7f79f4788b38, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#18 rb_yield_1 (val=val@entry=7) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#19 0x0000561053fcea4e in int_dotimes (num=21) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#20 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561055b06cd0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f488aef8, ec=0x5610562e41b8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#21 vm_call_cfunc (ec=0x5610562e41b8, reg_cfp=0x7f79f488aef8, calling=&lt;optimized out&gt;, ci=0x561055b06cd0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#22 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e41b8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#23 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e41b8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#24 0x00005610540e1fb9 in invoke_block (captured=0x5610567e7f00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e41b8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#25 invoke_iseq_block_from_c (ec=0x5610562e41b8, captured=0x5610567e7f00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#26 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=1, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#27 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#28 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, argc=argc@entry=1, argv=argv@entry=0x7f79f4789088, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#29 0x000056105400b4be in rb_proc_call_with_block (self=94628160822440, argc=argc@entry=1, argv=argv@entry=0x7f79f4789088, passed_procval=passed_procval@entry=8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;proc.c:902
#30 0x00005610540f67f8 in tp_call_trace (tpval=94628160822400, trace_arg=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:1080
#31 0x00005610540f8331 in exec_hooks_body (list=0x5610552b6db8, trace_arg=0x7f79f4789280, ec=0x5610562e41b8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:272
#32 exec_hooks_protected (ec=ec@entry=0x5610562e41b8, vm=vm@entry=0x5610552b6950, list=list@entry=0x5610552b6db8, trace_arg=trace_arg@entry=0x7f79f4789280) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:319
#33 0x00005610540fa0a4 in rb_exec_event_hooks (trace_arg=trace_arg@entry=0x7f79f4789280, pop_p=pop_p@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:359
#34 0x00005610540d581f in rb_exec_event_hook_orig (pop_p=0, data=52, klass=0, called_id=0, id=0, self=&lt;optimized out&gt;, flag=256, ec=0x5610562e41b8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_core.h:1791
#35 vm_trace (ec=ec@entry=0x5610562e41b8, reg_cfp=reg_cfp@entry=0x7f79f488af30, pc=pc@entry=0x561055e5bae0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:3880
#36 0x00005610540e9e1f in vm_exec_core (ec=ec@entry=0x5610562e41b8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;vm.inc:3237
#37 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e41b8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#38 0x00005610540e1fb9 in invoke_block (captured=0x7f79f488afb8, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e41b8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#39 invoke_iseq_block_from_c (ec=0x5610562e41b8, captured=0x7f79f488afb8, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#40 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#41 vm_yield (argc=1, argv=0x7f79f47896c8, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#42 rb_yield_0 (argv=0x7f79f47896c8, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#43 rb_yield_1 (val=val@entry=1109) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#44 0x0000561053fcea4e in int_dotimes (num=2001) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#45 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105616c190, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f488afa0, ec=0x5610562e41b8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#46 vm_call_cfunc (ec=0x5610562e41b8, reg_cfp=0x7f79f488afa0, calling=&lt;optimized out&gt;, ci=0x56105616c190, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#47 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e41b8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#48 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e41b8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#49 0x00005610540e1fb9 in invoke_block (captured=0x561055b6f160, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e41b8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#50 invoke_iseq_block_from_c (ec=0x5610562e41b8, captured=0x561055b6f160, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#51 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#52 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#53 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x561055b6f160, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#54 0x00005610540a7449 in thread_do_start (args=94628160817680, th=0x5610562e3f40) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#55 thread_start_func_2 (th=th@entry=0x5610562e3f40, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#56 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#57 0x00007f7a090a17fc in start_thread (arg=0x7f79f478a700) at pthread_create.c:465
#58 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 10 (Thread 0x7f79f48ac700 (LWP 21176)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b69e8) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6960, cond=0x5610552b69c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x5610552b69c0, mutex=mutex@entry=0x5610552b6960) at pthread_cond_wait.c:655
#3  0x00005610540a3a9b in rb_native_cond_wait (mutex=0x5610552b6960, cond=0x5610552b69c0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  gvl_yield (th=0x5610562e3690, vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:143
#5  rb_thread_schedule_limits (limits_us=limits_us@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1363
#6  0x00005610540a454b in rb_thread_schedule () at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1373
#7  thread_s_pass (klass=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1671
#8  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610565a02f0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f49ace88, ec=0x5610562e3908) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#9  vm_call_cfunc (ec=0x5610562e3908, reg_cfp=0x7f79f49ace88, calling=&lt;optimized out&gt;, ci=0x5610565a02f0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#10 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610562e3908, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#11 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e3908, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#12 0x00005610540e1fb9 in invoke_block (captured=0x7f79f49acf10, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e3908) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#13 invoke_iseq_block_from_c (ec=0x5610562e3908, captured=0x7f79f49acf10, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#14 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#15 vm_yield (argc=1, argv=0x7f79f48aab38, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#16 rb_yield_0 (argv=0x7f79f48aab38, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#17 rb_yield_1 (val=val@entry=9) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#18 0x0000561053fcea4e in int_dotimes (num=21) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#19 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561055b06cd0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f49acef8, ec=0x5610562e3908) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#20 vm_call_cfunc (ec=0x5610562e3908, reg_cfp=0x7f79f49acef8, calling=&lt;optimized out&gt;, ci=0x561055b06cd0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#21 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e3908, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#22 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e3908, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#23 0x00005610540e1fb9 in invoke_block (captured=0x5610567e7f00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e3908) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#24 invoke_iseq_block_from_c (ec=0x5610562e3908, captured=0x5610567e7f00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#25 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=1, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#26 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#27 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, argc=argc@entry=1, argv=argv@entry=0x7f79f48ab088, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#28 0x000056105400b4be in rb_proc_call_with_block (self=94628160822440, argc=argc@entry=1, argv=argv@entry=0x7f79f48ab088, passed_procval=passed_procval@entry=8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;proc.c:902
#29 0x00005610540f67f8 in tp_call_trace (tpval=94628160822400, trace_arg=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:1080
#30 0x00005610540f8331 in exec_hooks_body (list=0x5610552b6db8, trace_arg=0x7f79f48ab280, ec=0x5610562e3908) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:272
#31 exec_hooks_protected (ec=ec@entry=0x5610562e3908, vm=vm@entry=0x5610552b6950, list=list@entry=0x5610552b6db8, trace_arg=trace_arg@entry=0x7f79f48ab280) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:319
#32 0x00005610540fa0a4 in rb_exec_event_hooks (trace_arg=trace_arg@entry=0x7f79f48ab280, pop_p=pop_p@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:359
#33 0x00005610540d5746 in rb_exec_event_hook_orig (pop_p=0, data=&lt;optimized out&gt;, klass=0, called_id=0, id=0, self=&lt;optimized out&gt;, flag=&lt;optimized out&gt;, ec=0x5610562e3908) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_core.h:1791
#34 vm_trace (ec=ec@entry=0x5610562e3908, reg_cfp=reg_cfp@entry=0x7f79f49acf30, pc=pc@entry=0x561055e5baf0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:3895
#35 0x00005610540eb65f in vm_exec_core (ec=ec@entry=0x5610562e3908, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;vm.inc:3693
#36 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e3908, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#37 0x00005610540e1fb9 in invoke_block (captured=0x7f79f49acfb8, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e3908) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#38 invoke_iseq_block_from_c (ec=0x5610562e3908, captured=0x7f79f49acfb8, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#39 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#40 vm_yield (argc=1, argv=0x7f79f48ab6c8, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#41 rb_yield_0 (argv=0x7f79f48ab6c8, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#42 rb_yield_1 (val=val@entry=1079) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#43 0x0000561053fcea4e in int_dotimes (num=2001) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#44 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105616c190, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f49acfa0, ec=0x5610562e3908) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#45 vm_call_cfunc (ec=0x5610562e3908, reg_cfp=0x7f79f49acfa0, calling=&lt;optimized out&gt;, ci=0x56105616c190, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#46 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e3908, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#47 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e3908, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#48 0x00005610540e1fb9 in invoke_block (captured=0x561055a469f0, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e3908) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#49 invoke_iseq_block_from_c (ec=0x5610562e3908, captured=0x561055a469f0, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#50 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#51 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#52 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x561055a469f0, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#53 0x00005610540a7449 in thread_do_start (args=94628160818160, th=0x5610562e3690) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#54 thread_start_func_2 (th=th@entry=0x5610562e3690, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#55 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#56 0x00007f7a090a17fc in start_thread (arg=0x7f79f48ac700) at pthread_create.c:465
#57 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 9 (Thread 0x7f79f49ce700 (LWP 21175)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b69bc) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6960, cond=0x5610552b6990) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x5610552b6990, mutex=mutex@entry=0x5610552b6960) at pthread_cond_wait.c:655
#3  0x00005610540a3b0b in rb_native_cond_wait (mutex=0x5610552b6960, cond=0x5610552b6990) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  gvl_acquire_common (vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:86
#5  gvl_yield (th=0x5610562e2de0, vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:154
#6  rb_thread_schedule_limits (limits_us=limits_us@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1363
#7  0x00005610540a454b in rb_thread_schedule () at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1373
#8  thread_s_pass (klass=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1671
#9  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610565a02f0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4acee88, ec=0x5610562e3058) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#10 vm_call_cfunc (ec=0x5610562e3058, reg_cfp=0x7f79f4acee88, calling=&lt;optimized out&gt;, ci=0x5610565a02f0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#11 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610562e3058, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#12 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e3058, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#13 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4acef10, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e3058) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#14 invoke_iseq_block_from_c (ec=0x5610562e3058, captured=0x7f79f4acef10, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#15 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#16 vm_yield (argc=1, argv=0x7f79f49ccb38, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#17 rb_yield_0 (argv=0x7f79f49ccb38, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#18 rb_yield_1 (val=val@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#19 0x0000561053fcea4e in int_dotimes (num=21) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#20 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561055b06cd0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4aceef8, ec=0x5610562e3058) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#21 vm_call_cfunc (ec=0x5610562e3058, reg_cfp=0x7f79f4aceef8, calling=&lt;optimized out&gt;, ci=0x561055b06cd0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#22 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e3058, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#23 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e3058, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#24 0x00005610540e1fb9 in invoke_block (captured=0x5610567e7f00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e3058) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#25 invoke_iseq_block_from_c (ec=0x5610562e3058, captured=0x5610567e7f00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#26 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=1, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#27 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#28 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, argc=argc@entry=1, argv=argv@entry=0x7f79f49cd088, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#29 0x000056105400b4be in rb_proc_call_with_block (self=94628160822440, argc=argc@entry=1, argv=argv@entry=0x7f79f49cd088, passed_procval=passed_procval@entry=8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;proc.c:902
#30 0x00005610540f67f8 in tp_call_trace (tpval=94628160822400, trace_arg=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:1080
#31 0x00005610540f8331 in exec_hooks_body (list=0x5610552b6db8, trace_arg=0x7f79f49cd280, ec=0x5610562e3058) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:272
#32 exec_hooks_protected (ec=ec@entry=0x5610562e3058, vm=vm@entry=0x5610552b6950, list=list@entry=0x5610552b6db8, trace_arg=trace_arg@entry=0x7f79f49cd280) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:319
#33 0x00005610540fa0a4 in rb_exec_event_hooks (trace_arg=trace_arg@entry=0x7f79f49cd280, pop_p=pop_p@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:359
#34 0x00005610540d581f in rb_exec_event_hook_orig (pop_p=0, data=52, klass=0, called_id=0, id=0, self=&lt;optimized out&gt;, flag=256, ec=0x5610562e3058) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_core.h:1791
#35 vm_trace (ec=ec@entry=0x5610562e3058, reg_cfp=reg_cfp@entry=0x7f79f4acef30, pc=pc@entry=0x561055e5bae0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:3880
#36 0x00005610540e9e1f in vm_exec_core (ec=ec@entry=0x5610562e3058, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;vm.inc:3237
#37 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e3058, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#38 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4acefb8, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e3058) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#39 invoke_iseq_block_from_c (ec=0x5610562e3058, captured=0x7f79f4acefb8, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#40 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#41 vm_yield (argc=1, argv=0x7f79f49cd6c8, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#42 rb_yield_0 (argv=0x7f79f49cd6c8, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#43 rb_yield_1 (val=val@entry=1027) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#44 0x0000561053fcea4e in int_dotimes (num=2001) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#45 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105616c190, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4acefa0, ec=0x5610562e3058) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#46 vm_call_cfunc (ec=0x5610562e3058, reg_cfp=0x7f79f4acefa0, calling=&lt;optimized out&gt;, ci=0x56105616c190, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#47 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e3058, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#48 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e3058, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#49 0x00005610540e1fb9 in invoke_block (captured=0x56105648dfb0, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e3058) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#50 invoke_iseq_block_from_c (ec=0x5610562e3058, captured=0x56105648dfb0, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#51 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#52 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#53 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x56105648dfb0, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#54 0x00005610540a7449 in thread_do_start (args=94628160818600, th=0x5610562e2de0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#55 thread_start_func_2 (th=th@entry=0x5610562e2de0, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#56 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#57 0x00007f7a090a17fc in start_thread (arg=0x7f79f49ce700) at pthread_create.c:465
#58 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 8 (Thread 0x7f79f4af0700 (LWP 21174)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b69bc) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6960, cond=0x5610552b6990) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x5610552b6990, mutex=mutex@entry=0x5610552b6960) at pthread_cond_wait.c:655
#3  0x00005610540a3b0b in rb_native_cond_wait (mutex=0x5610552b6960, cond=0x5610552b6990) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  gvl_acquire_common (vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:86
#5  gvl_yield (th=0x5610562e2530, vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:154
#6  rb_thread_schedule_limits (limits_us=limits_us@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1363
#7  0x00005610540a454b in rb_thread_schedule () at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1373
#8  thread_s_pass (klass=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1671
#9  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610565a02f0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4bf0e88, ec=0x5610562e27a8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#10 vm_call_cfunc (ec=0x5610562e27a8, reg_cfp=0x7f79f4bf0e88, calling=&lt;optimized out&gt;, ci=0x5610565a02f0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#11 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610562e27a8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#12 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e27a8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#13 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4bf0f10, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e27a8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#14 invoke_iseq_block_from_c (ec=0x5610562e27a8, captured=0x7f79f4bf0f10, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#15 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#16 vm_yield (argc=1, argv=0x7f79f4aeeb38, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#17 rb_yield_0 (argv=0x7f79f4aeeb38, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#18 rb_yield_1 (val=val@entry=13) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#19 0x0000561053fcea4e in int_dotimes (num=21) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#20 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561055b06cd0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4bf0ef8, ec=0x5610562e27a8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#21 vm_call_cfunc (ec=0x5610562e27a8, reg_cfp=0x7f79f4bf0ef8, calling=&lt;optimized out&gt;, ci=0x561055b06cd0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#22 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e27a8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#23 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e27a8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#24 0x00005610540e1fb9 in invoke_block (captured=0x5610567e7f00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e27a8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#25 invoke_iseq_block_from_c (ec=0x5610562e27a8, captured=0x5610567e7f00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#26 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=1, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#27 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#28 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, argc=argc@entry=1, argv=argv@entry=0x7f79f4aef088, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#29 0x000056105400b4be in rb_proc_call_with_block (self=94628160822440, argc=argc@entry=1, argv=argv@entry=0x7f79f4aef088, passed_procval=passed_procval@entry=8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;proc.c:902
#30 0x00005610540f67f8 in tp_call_trace (tpval=94628160822400, trace_arg=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:1080
#31 0x00005610540f8331 in exec_hooks_body (list=0x5610552b6db8, trace_arg=0x7f79f4aef280, ec=0x5610562e27a8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:272
#32 exec_hooks_protected (ec=ec@entry=0x5610562e27a8, vm=vm@entry=0x5610552b6950, list=list@entry=0x5610552b6db8, trace_arg=trace_arg@entry=0x7f79f4aef280) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:319
#33 0x00005610540fa0a4 in rb_exec_event_hooks (trace_arg=trace_arg@entry=0x7f79f4aef280, pop_p=pop_p@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:359
#34 0x00005610540d5746 in rb_exec_event_hook_orig (pop_p=0, data=&lt;optimized out&gt;, klass=0, called_id=0, id=0, self=&lt;optimized out&gt;, flag=&lt;optimized out&gt;, ec=0x5610562e27a8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_core.h:1791
#35 vm_trace (ec=ec@entry=0x5610562e27a8, reg_cfp=reg_cfp@entry=0x7f79f4bf0f30, pc=pc@entry=0x561055e5baf0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:3895
#36 0x00005610540eb65f in vm_exec_core (ec=ec@entry=0x5610562e27a8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;vm.inc:3693
#37 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e27a8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#38 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4bf0fb8, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e27a8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#39 invoke_iseq_block_from_c (ec=0x5610562e27a8, captured=0x7f79f4bf0fb8, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#40 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#41 vm_yield (argc=1, argv=0x7f79f4aef6c8, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#42 rb_yield_0 (argv=0x7f79f4aef6c8, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#43 rb_yield_1 (val=val@entry=1287) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#44 0x0000561053fcea4e in int_dotimes (num=2001) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#45 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105616c190, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4bf0fa0, ec=0x5610562e27a8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#46 vm_call_cfunc (ec=0x5610562e27a8, reg_cfp=0x7f79f4bf0fa0, calling=&lt;optimized out&gt;, ci=0x56105616c190, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#47 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e27a8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#48 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e27a8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#49 0x00005610540e1fb9 in invoke_block (captured=0x561055d92840, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e27a8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#50 invoke_iseq_block_from_c (ec=0x5610562e27a8, captured=0x561055d92840, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#51 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#52 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#53 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x561055d92840, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#54 0x00005610540a7449 in thread_do_start (args=94628160819160, th=0x5610562e2530) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#55 thread_start_func_2 (th=th@entry=0x5610562e2530, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#56 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#57 0x00007f7a090a17fc in start_thread (arg=0x7f79f4af0700) at pthread_create.c:465
#58 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 7 (Thread 0x7f79f4c12700 (LWP 21173)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b69bc) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6960, cond=0x5610552b6990) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x5610552b6990, mutex=mutex@entry=0x5610552b6960) at pthread_cond_wait.c:655
#3  0x00005610540a3b0b in rb_native_cond_wait (mutex=0x5610552b6960, cond=0x5610552b6990) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  gvl_acquire_common (vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:86
#5  gvl_yield (th=0x5610558dc290, vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:154
#6  rb_thread_schedule_limits (limits_us=limits_us@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1363
#7  0x00005610540a454b in rb_thread_schedule () at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1373
#8  thread_s_pass (klass=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1671
#9  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610565a02f0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4d12e88, ec=0x5610562e1ef8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#10 vm_call_cfunc (ec=0x5610562e1ef8, reg_cfp=0x7f79f4d12e88, calling=&lt;optimized out&gt;, ci=0x5610565a02f0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#11 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610562e1ef8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#12 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e1ef8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#13 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4d12f10, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e1ef8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#14 invoke_iseq_block_from_c (ec=0x5610562e1ef8, captured=0x7f79f4d12f10, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#15 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#16 vm_yield (argc=1, argv=0x7f79f4c10b38, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#17 rb_yield_0 (argv=0x7f79f4c10b38, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#18 rb_yield_1 (val=val@entry=13) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#19 0x0000561053fcea4e in int_dotimes (num=21) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#20 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561055b06cd0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4d12ef8, ec=0x5610562e1ef8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#21 vm_call_cfunc (ec=0x5610562e1ef8, reg_cfp=0x7f79f4d12ef8, calling=&lt;optimized out&gt;, ci=0x561055b06cd0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#22 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e1ef8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#23 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e1ef8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#24 0x00005610540e1fb9 in invoke_block (captured=0x5610567e7f00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e1ef8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#25 invoke_iseq_block_from_c (ec=0x5610562e1ef8, captured=0x5610567e7f00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#26 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=1, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#27 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#28 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, argc=argc@entry=1, argv=argv@entry=0x7f79f4c11088, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#29 0x000056105400b4be in rb_proc_call_with_block (self=94628160822440, argc=argc@entry=1, argv=argv@entry=0x7f79f4c11088, passed_procval=passed_procval@entry=8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;proc.c:902
#30 0x00005610540f67f8 in tp_call_trace (tpval=94628160822400, trace_arg=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:1080
#31 0x00005610540f8331 in exec_hooks_body (list=0x5610552b6db8, trace_arg=0x7f79f4c11280, ec=0x5610562e1ef8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:272
#32 exec_hooks_protected (ec=ec@entry=0x5610562e1ef8, vm=vm@entry=0x5610552b6950, list=list@entry=0x5610552b6db8, trace_arg=trace_arg@entry=0x7f79f4c11280) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:319
#33 0x00005610540fa0a4 in rb_exec_event_hooks (trace_arg=trace_arg@entry=0x7f79f4c11280, pop_p=pop_p@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:359
#34 0x00005610540d5746 in rb_exec_event_hook_orig (pop_p=0, data=&lt;optimized out&gt;, klass=0, called_id=0, id=0, self=&lt;optimized out&gt;, flag=&lt;optimized out&gt;, ec=0x5610562e1ef8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_core.h:1791
#35 vm_trace (ec=ec@entry=0x5610562e1ef8, reg_cfp=reg_cfp@entry=0x7f79f4d12f30, pc=pc@entry=0x561055e5baf0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:3895
#36 0x00005610540eb65f in vm_exec_core (ec=ec@entry=0x5610562e1ef8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;vm.inc:3693
#37 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e1ef8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#38 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4d12fb8, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e1ef8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#39 invoke_iseq_block_from_c (ec=0x5610562e1ef8, captured=0x7f79f4d12fb8, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#40 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#41 vm_yield (argc=1, argv=0x7f79f4c116c8, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#42 rb_yield_0 (argv=0x7f79f4c116c8, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#43 rb_yield_1 (val=val@entry=1285) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#44 0x0000561053fcea4e in int_dotimes (num=2001) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#45 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105616c190, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4d12fa0, ec=0x5610562e1ef8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#46 vm_call_cfunc (ec=0x5610562e1ef8, reg_cfp=0x7f79f4d12fa0, calling=&lt;optimized out&gt;, ci=0x56105616c190, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#47 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e1ef8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#48 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e1ef8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#49 0x00005610540e1fb9 in invoke_block (captured=0x561055f2d8c0, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e1ef8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#50 invoke_iseq_block_from_c (ec=0x5610562e1ef8, captured=0x561055f2d8c0, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#51 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#52 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#53 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x561055f2d8c0, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#54 0x00005610540a7449 in thread_do_start (args=94628160819840, th=0x5610558dc290) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#55 thread_start_func_2 (th=th@entry=0x5610558dc290, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#56 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#57 0x00007f7a090a17fc in start_thread (arg=0x7f79f4c12700) at pthread_create.c:465
#58 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 6 (Thread 0x7f79f4d34700 (LWP 21171)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b69bc) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6960, cond=0x5610552b6990) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x5610552b6990, mutex=mutex@entry=0x5610552b6960) at pthread_cond_wait.c:655
#3  0x00005610540a3b0b in rb_native_cond_wait (mutex=0x5610552b6960, cond=0x5610552b6990) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  gvl_acquire_common (vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:86
#5  gvl_yield (th=0x5610567e9aa0, vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:154
#6  rb_thread_schedule_limits (limits_us=limits_us@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1363
#7  0x00005610540a454b in rb_thread_schedule () at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1373
#8  thread_s_pass (klass=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1671
#9  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610565a02f0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4e34e88, ec=0x5610562e1878) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#10 vm_call_cfunc (ec=0x5610562e1878, reg_cfp=0x7f79f4e34e88, calling=&lt;optimized out&gt;, ci=0x5610565a02f0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#11 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610562e1878, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#12 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e1878, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#13 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4e34f10, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e1878) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#14 invoke_iseq_block_from_c (ec=0x5610562e1878, captured=0x7f79f4e34f10, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#15 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#16 vm_yield (argc=1, argv=0x7f79f4d32b38, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#17 rb_yield_0 (argv=0x7f79f4d32b38, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#18 rb_yield_1 (val=val@entry=3) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#19 0x0000561053fcea4e in int_dotimes (num=21) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#20 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561055b06cd0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4e34ef8, ec=0x5610562e1878) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#21 vm_call_cfunc (ec=0x5610562e1878, reg_cfp=0x7f79f4e34ef8, calling=&lt;optimized out&gt;, ci=0x561055b06cd0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#22 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e1878, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#23 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e1878, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#24 0x00005610540e1fb9 in invoke_block (captured=0x5610567e7f00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e1878) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#25 invoke_iseq_block_from_c (ec=0x5610562e1878, captured=0x5610567e7f00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#26 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=1, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#27 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#28 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, argc=argc@entry=1, argv=argv@entry=0x7f79f4d33088, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#29 0x000056105400b4be in rb_proc_call_with_block (self=94628160822440, argc=argc@entry=1, argv=argv@entry=0x7f79f4d33088, passed_procval=passed_procval@entry=8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;proc.c:902
#30 0x00005610540f67f8 in tp_call_trace (tpval=94628160822400, trace_arg=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:1080
#31 0x00005610540f8331 in exec_hooks_body (list=0x5610552b6db8, trace_arg=0x7f79f4d33280, ec=0x5610562e1878) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:272
#32 exec_hooks_protected (ec=ec@entry=0x5610562e1878, vm=vm@entry=0x5610552b6950, list=list@entry=0x5610552b6db8, trace_arg=trace_arg@entry=0x7f79f4d33280) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:319
#33 0x00005610540fa0a4 in rb_exec_event_hooks (trace_arg=trace_arg@entry=0x7f79f4d33280, pop_p=pop_p@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:359
#34 0x00005610540d581f in rb_exec_event_hook_orig (pop_p=0, data=52, klass=0, called_id=0, id=0, self=&lt;optimized out&gt;, flag=256, ec=0x5610562e1878) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_core.h:1791
#35 vm_trace (ec=ec@entry=0x5610562e1878, reg_cfp=reg_cfp@entry=0x7f79f4e34f30, pc=pc@entry=0x561055e5bae0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:3880
#36 0x00005610540e9e1f in vm_exec_core (ec=ec@entry=0x5610562e1878, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;vm.inc:3237
#37 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e1878, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#38 0x00005610540e1fb9 in invoke_block (captured=0x7f79f4e34fb8, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e1878) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#39 invoke_iseq_block_from_c (ec=0x5610562e1878, captured=0x7f79f4e34fb8, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#40 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#41 vm_yield (argc=1, argv=0x7f79f4d336c8, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#42 rb_yield_0 (argv=0x7f79f4d336c8, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#43 rb_yield_1 (val=val@entry=1157) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#44 0x0000561053fcea4e in int_dotimes (num=2001) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#45 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105616c190, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f79f4e34fa0, ec=0x5610562e1878) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#46 vm_call_cfunc (ec=0x5610562e1878, reg_cfp=0x7f79f4e34fa0, calling=&lt;optimized out&gt;, ci=0x56105616c190, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#47 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610562e1878, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#48 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610562e1878, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#49 0x00005610540e1fb9 in invoke_block (captured=0x561055abb480, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610562e1878) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#50 invoke_iseq_block_from_c (ec=0x5610562e1878, captured=0x561055abb480, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#51 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#52 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#53 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x561055abb480, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#54 0x00005610540a7449 in thread_do_start (args=94628160820320, th=0x5610567e9aa0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#55 thread_start_func_2 (th=th@entry=0x5610567e9aa0, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#56 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#57 0x00007f7a090a17fc in start_thread (arg=0x7f79f4d34700) at pthread_create.c:465
#58 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 5 (Thread 0x7f7a0932d700 (LWP 20402)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b69bc) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6960, cond=0x5610552b6990) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x5610552b6990, mutex=mutex@entry=0x5610552b6960) at pthread_cond_wait.c:655
#3  0x00005610540a3b0b in rb_native_cond_wait (mutex=0x5610552b6960, cond=0x5610552b6990) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  gvl_acquire_common (vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:86
#5  gvl_yield (th=0x5610558dc060, vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:154
#6  rb_thread_schedule_limits (limits_us=limits_us@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1363
#7  0x00005610540a454b in rb_thread_schedule () at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1373
#8  thread_s_pass (klass=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1671
#9  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610565a02f0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a06e2fe88, ec=0x5610567e9468) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#10 vm_call_cfunc (ec=0x5610567e9468, reg_cfp=0x7f7a06e2fe88, calling=&lt;optimized out&gt;, ci=0x5610565a02f0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#11 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610567e9468, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#12 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610567e9468, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#13 0x00005610540e1fb9 in invoke_block (captured=0x7f7a06e2ff10, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610567e9468) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#14 invoke_iseq_block_from_c (ec=0x5610567e9468, captured=0x7f7a06e2ff10, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#15 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#16 vm_yield (argc=1, argv=0x7f7a0932bb38, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#17 rb_yield_0 (argv=0x7f7a0932bb38, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#18 rb_yield_1 (val=val@entry=13) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#19 0x0000561053fcea4e in int_dotimes (num=21) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#20 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561055b06cd0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a06e2fef8, ec=0x5610567e9468) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#21 vm_call_cfunc (ec=0x5610567e9468, reg_cfp=0x7f7a06e2fef8, calling=&lt;optimized out&gt;, ci=0x561055b06cd0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#22 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610567e9468, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#23 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610567e9468, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#24 0x00005610540e1fb9 in invoke_block (captured=0x5610567e7f00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610567e9468) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#25 invoke_iseq_block_from_c (ec=0x5610567e9468, captured=0x5610567e7f00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#26 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=1, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#27 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#28 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, argc=argc@entry=1, argv=argv@entry=0x7f7a0932c088, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#29 0x000056105400b4be in rb_proc_call_with_block (self=94628160822440, argc=argc@entry=1, argv=argv@entry=0x7f7a0932c088, passed_procval=passed_procval@entry=8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;proc.c:902
#30 0x00005610540f67f8 in tp_call_trace (tpval=94628160822400, trace_arg=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:1080
#31 0x00005610540f8331 in exec_hooks_body (list=0x5610552b6db8, trace_arg=0x7f7a0932c280, ec=0x5610567e9468) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:272
#32 exec_hooks_protected (ec=ec@entry=0x5610567e9468, vm=vm@entry=0x5610552b6950, list=list@entry=0x5610552b6db8, trace_arg=trace_arg@entry=0x7f7a0932c280) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:319
#33 0x00005610540fa0a4 in rb_exec_event_hooks (trace_arg=trace_arg@entry=0x7f7a0932c280, pop_p=pop_p@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:359
#34 0x00005610540d5746 in rb_exec_event_hook_orig (pop_p=0, data=&lt;optimized out&gt;, klass=0, called_id=0, id=0, self=&lt;optimized out&gt;, flag=&lt;optimized out&gt;, ec=0x5610567e9468) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_core.h:1791
#35 vm_trace (ec=ec@entry=0x5610567e9468, reg_cfp=reg_cfp@entry=0x7f7a06e2ff30, pc=pc@entry=0x561055e5baf0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:3895
#36 0x00005610540eb65f in vm_exec_core (ec=ec@entry=0x5610567e9468, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;vm.inc:3693
#37 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610567e9468, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#38 0x00005610540e1fb9 in invoke_block (captured=0x7f7a06e2ffb8, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610567e9468) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#39 invoke_iseq_block_from_c (ec=0x5610567e9468, captured=0x7f7a06e2ffb8, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#40 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#41 vm_yield (argc=1, argv=0x7f7a0932c6c8, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#42 rb_yield_0 (argv=0x7f7a0932c6c8, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#43 rb_yield_1 (val=val@entry=1337) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#44 0x0000561053fcea4e in int_dotimes (num=2001) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#45 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105616c190, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a06e2ffa0, ec=0x5610567e9468) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#46 vm_call_cfunc (ec=0x5610567e9468, reg_cfp=0x7f7a06e2ffa0, calling=&lt;optimized out&gt;, ci=0x56105616c190, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#47 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610567e9468, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#48 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610567e9468, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#49 0x00005610540e1fb9 in invoke_block (captured=0x561056475db0, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610567e9468) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#50 invoke_iseq_block_from_c (ec=0x5610567e9468, captured=0x561056475db0, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#51 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#52 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#53 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x561056475db0, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#54 0x00005610540a7449 in thread_do_start (args=94628160820920, th=0x5610558dc060) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#55 thread_start_func_2 (th=th@entry=0x5610558dc060, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#56 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#57 0x00007f7a090a17fc in start_thread (arg=0x7f7a0932d700) at pthread_create.c:465
#58 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 4 (Thread 0x7f7a0934e700 (LWP 20399)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b69bc) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6960, cond=0x5610552b6990) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x5610552b6990, mutex=mutex@entry=0x5610552b6960) at pthread_cond_wait.c:655
#3  0x00005610540a3b0b in rb_native_cond_wait (mutex=0x5610552b6960, cond=0x5610552b6990) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  gvl_acquire_common (vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:86
#5  gvl_yield (th=0x5610567e7f60, vm=0x5610552b6950) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:154
#6  rb_thread_schedule_limits (limits_us=limits_us@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1363
#7  0x00005610540a454b in rb_thread_schedule () at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1373
#8  thread_s_pass (klass=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1671
#9  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610565a02f0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a06f30e88, ec=0x5610567e81d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#10 vm_call_cfunc (ec=0x5610567e81d8, reg_cfp=0x7f7a06f30e88, calling=&lt;optimized out&gt;, ci=0x5610565a02f0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#11 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610567e81d8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#12 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610567e81d8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#13 0x00005610540e1fb9 in invoke_block (captured=0x7f7a06f30f10, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610567e81d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#14 invoke_iseq_block_from_c (ec=0x5610567e81d8, captured=0x7f7a06f30f10, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#15 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#16 vm_yield (argc=1, argv=0x7f7a0934cac8, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#17 rb_yield_0 (argv=0x7f7a0934cac8, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#18 rb_yield_1 (val=val@entry=9) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#19 0x0000561053fcea4e in int_dotimes (num=21) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#20 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561055b06cd0, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a06f30ef8, ec=0x5610567e81d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#21 vm_call_cfunc (ec=0x5610567e81d8, reg_cfp=0x7f7a06f30ef8, calling=&lt;optimized out&gt;, ci=0x561055b06cd0, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#22 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610567e81d8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#23 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610567e81d8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#24 0x00005610540e1fb9 in invoke_block (captured=0x5610567e7f00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610567e81d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#25 invoke_iseq_block_from_c (ec=0x5610567e81d8, captured=0x5610567e7f00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#26 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=1, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#27 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#28 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, argc=argc@entry=1, argv=argv@entry=0x7f7a0934d018, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#29 0x000056105400b4be in rb_proc_call_with_block (self=94628160822440, argc=argc@entry=1, argv=argv@entry=0x7f7a0934d018, passed_procval=passed_procval@entry=8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;proc.c:902
#30 0x00005610540f67f8 in tp_call_trace (tpval=94628160822400, trace_arg=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:1080
#31 0x00005610540f8331 in exec_hooks_body (list=0x5610552b6db8, trace_arg=0x7f7a0934d210, ec=0x5610567e81d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:272
#32 exec_hooks_protected (ec=ec@entry=0x5610567e81d8, vm=vm@entry=0x5610552b6950, list=list@entry=0x5610552b6db8, trace_arg=trace_arg@entry=0x7f7a0934d210) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:319
#33 0x00005610540fa0a4 in rb_exec_event_hooks (trace_arg=trace_arg@entry=0x7f7a0934d210, pop_p=pop_p@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_trace.c:359
#34 0x00005610540d581f in rb_exec_event_hook_orig (pop_p=0, data=52, klass=0, called_id=0, id=0, self=&lt;optimized out&gt;, flag=256, ec=0x5610567e81d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_core.h:1791
#35 vm_trace (ec=ec@entry=0x5610567e81d8, reg_cfp=reg_cfp@entry=0x7f7a06f30f30, pc=pc@entry=0x561055e5bae0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:3880
#36 0x00005610540e9e1f in vm_exec_core (ec=ec@entry=0x5610567e81d8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build&#x2F;trunk_gcc5&#x2F;vm.inc:3237
#37 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610567e81d8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#38 0x00005610540e1fb9 in invoke_block (captured=0x7f7a06f30fb8, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610567e81d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#39 invoke_iseq_block_from_c (ec=0x5610567e81d8, captured=0x7f7a06f30fb8, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#40 0x00005610540e3af1 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#41 vm_yield (argc=1, argv=0x7f7a0934d658, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#42 rb_yield_0 (argv=0x7f7a0934d658, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#43 rb_yield_1 (val=val@entry=1449) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#44 0x0000561053fcea4e in int_dotimes (num=2001) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;numeric.c:5000
#45 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105616c190, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a06f30fa0, ec=0x5610567e81d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#46 vm_call_cfunc (ec=0x5610567e81d8, reg_cfp=0x7f7a06f30fa0, calling=&lt;optimized out&gt;, ci=0x56105616c190, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#47 0x00005610540e2913 in vm_call_method (ec=0x5610567e81d8, cfp=0x7f7a06f30fa0, calling=&lt;optimized out&gt;, ci=&lt;optimized out&gt;, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:2424
#48 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610567e81d8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#49 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610567e81d8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#50 0x00005610540e1fb9 in invoke_block (captured=0x5610565ce620, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610567e81d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#51 invoke_iseq_block_from_c (ec=0x5610567e81d8, captured=0x5610565ce620, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#52 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#53 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#54 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x5610565ce620, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#55 0x00005610540a7449 in thread_do_start (args=94628160821680, th=0x5610567e7f60) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#56 thread_start_func_2 (th=th@entry=0x5610567e7f60, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#57 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#58 0x00007f7a090a17fc in start_thread (arg=0x7f7a0934e700) at pthread_create.c:465
#59 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 3 (Thread 0x7f7a094dc700 (LWP 18355)):
#0  0x00007f7a083b0901 in __GI___poll (fds=fds@entry=0x7f7a094dbe50, nfds=nfds@entry=1, timeout=timeout@entry=100) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;poll.c:29
#1  0x00005610540a234c in timer_thread_sleep (gvl=0x5610552b6958) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:1380
#2  thread_timer (p=0x5610552b6958) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:1510
#3  0x00007f7a090a17fc in start_thread (arg=0x7f7a094dc700) at pthread_create.c:465
#4  0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 2 (Thread 0x7f7a0936f700 (LWP 16481)):
#0  0x00007f7a090abd5d in __libc_read (fd=7, buf=0x7f7a0000d6a0, nbytes=1024) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;read.c:26
#1  0x00005610540a81db in rb_thread_io_blocking_region (func=func@entry=0x561053f88160 &lt;internal_read_func&gt;, data1=data1@entry=0x7f7a0936e4c0, fd=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1553
#2  0x0000561053f87f2e in rb_read_internal (count=&lt;optimized out&gt;, buf=&lt;optimized out&gt;, fd=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;io.c:987
#3  read_internal_call (arg=arg@entry=140162117330592) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;io.c:2727
#4  0x0000561053f606b3 in rb_ensure (b_proc=0x561053f87f00 &lt;read_internal_call&gt;, data1=140162117330592, e_proc=e_proc@entry=0x5610540765e0 &lt;rb_str_unlocktmp&gt;, data2=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;eval.c:1052
#5  0x000056105408a120 in rb_str_locktmp_ensure (str=&lt;optimized out&gt;, func=func@entry=0x561053f87f00 &lt;read_internal_call&gt;, arg=arg@entry=140162117330592) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;string.c:2646
#6  0x0000561053f9dd3e in io_getpartial (argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, io=&lt;optimized out&gt;, opts=opts@entry=8, nonblock=nonblock@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;io.c:2777
#7  0x0000561053f9e101 in io_readpartial (argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, io=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;io.c:2867
#8  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x56105539ff40, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a07031fa0, ec=0x5610569648d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#9  vm_call_cfunc (ec=0x5610569648d8, reg_cfp=0x7f7a07031fa0, calling=&lt;optimized out&gt;, ci=0x56105539ff40, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#10 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610569648d8, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#11 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610569648d8, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#12 0x00005610540e1fb9 in invoke_block (captured=0x561056b3b5e0, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628153775360, iseq=&lt;optimized out&gt;, ec=0x5610569648d8) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#13 invoke_iseq_block_from_c (ec=0x5610569648d8, captured=0x561056b3b5e0, self=94628153775360, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#14 0x00005610540e209e in invoke_block_from_c_proc (ec=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, argc=0, argv=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1149
#15 0x00005610540e2104 in vm_invoke_proc (passed_block_handler=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, argc=&lt;optimized out&gt;, self=&lt;optimized out&gt;, proc=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1167
#16 rb_vm_invoke_proc (ec=&lt;optimized out&gt;, proc=proc@entry=0x561056b3b5e0, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=passed_block_handler@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1188
#17 0x00005610540a7449 in thread_do_start (args=94628164963400, th=0x56105616a2d0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:664
#18 thread_start_func_2 (th=th@entry=0x56105616a2d0, stack_start=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:703
#19 0x00005610540a7940 in thread_start_func_1 (th_ptr=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:838
#20 0x00007f7a090a17fc in start_thread (arg=0x7f7a0936f700) at pthread_create.c:465
#21 0x00007f7a083bcb0f in clone () at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;x86_64&#x2F;clone.S:95

Thread 1 (Thread 0x7f7a094d2740 (LWP 16463)):
#0  0x00007f7a090a8072 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x5610552b62fc) at ..&#x2F;sysdeps&#x2F;unix&#x2F;sysv&#x2F;linux&#x2F;futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5610552b6330, cond=0x5610552b62d0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5610552b62d0, mutex=0x5610552b6330) at pthread_cond_wait.c:655
#3  0x00005610540a4bc9 in rb_native_cond_wait (cond=&lt;optimized out&gt;, mutex=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:317
#4  0x00005610540a55b5 in native_sleep (th=th@entry=0x5610552b6260, timeout_rel=0x0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread_pthread.c:1067
#5  0x00005610540a5c15 in thread_join_sleep (arg=arg@entry=140723075183088) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:951
#6  0x0000561053f606b3 in rb_ensure (b_proc=b_proc@entry=0x5610540a59e0 &lt;thread_join_sleep&gt;, data1=data1@entry=140723075183088, e_proc=e_proc@entry=0x56105409eb70 &lt;remove_from_join_list&gt;, data2=data2@entry=140723075183088) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;eval.c:1052
#7  0x00005610540a0375 in thread_join (ts=&lt;optimized out&gt;, target_th=0x5610567e7f60) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:996
#8  thread_join_m (argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, self=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;thread.c:1098
#9  0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610562f0180, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a094d0b78, ec=0x5610552b7118) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#10 vm_call_cfunc (ec=0x5610552b7118, reg_cfp=0x7f7a094d0b78, calling=&lt;optimized out&gt;, ci=0x5610562f0180, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#11 0x00005610540e2913 in vm_call_method (ec=0x5610552b7118, cfp=0x7f7a094d0b78, calling=&lt;optimized out&gt;, ci=&lt;optimized out&gt;, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:2424
#12 0x00005610540e9ded in vm_exec_core (ec=ec@entry=0x5610552b7118, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:779
#13 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610552b7118, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#14 0x00005610540e1fb9 in invoke_block (captured=0x7f7a094d0c00, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610552b7118) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#15 invoke_iseq_block_from_c (ec=0x5610552b7118, captured=0x7f7a094d0c00, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#16 0x00005610540e3139 in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=&lt;optimized out&gt;, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#17 vm_yield (argc=1, argv=0x7ffca4e87728, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#18 rb_yield_0 (argv=0x7ffca4e87728, argc=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#19 rb_yield_1 (val=94628160821800) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:978
#20 rb_yield (val=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:988
#21 0x0000561054100b6d in rb_ary_each (ary=94628160822240) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;array.c:1820
#22 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561056b3ba30, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a094d0be8, ec=0x5610552b7118) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#23 vm_call_cfunc (ec=0x5610552b7118, reg_cfp=0x7f7a094d0be8, calling=&lt;optimized out&gt;, ci=0x561056b3ba30, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#24 0x00005610540e2913 in vm_call_method (ec=0x5610552b7118, cfp=0x7f7a094d0be8, calling=&lt;optimized out&gt;, ci=&lt;optimized out&gt;, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:2424
#25 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610552b7118, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#26 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610552b7118, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#27 0x00005610540e1fb9 in invoke_block (captured=0x7f7a094d0c70, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628160823120, iseq=&lt;optimized out&gt;, ec=0x5610552b7118) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#28 invoke_iseq_block_from_c (ec=0x5610552b7118, captured=0x7f7a094d0c70, self=94628160823120, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#29 0x00005610540e2fc0 in invoke_block_from_c_bh (ec=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, argc=argc@entry=0, argv=argv@entry=0x0, cref=cref@entry=0x0, is_lambda=&lt;optimized out&gt;, is_lambda@entry=0, force_blockarg=0, passed_block_handler=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#30 0x00005610540e3180 in vm_yield (argc=0, argv=0x0, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1119
#31 rb_yield_0 (argv=0x0, argc=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:972
#32 rb_yield (val=val@entry=52) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:985
#33 0x0000561053f606b3 in rb_ensure (b_proc=0x5610540e3070 &lt;rb_yield&gt;, data1=52, e_proc=&lt;optimized out&gt;, data2=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;eval.c:1052
#34 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x561056588b60, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a094d0c58, ec=0x5610552b7118) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#35 vm_call_cfunc (ec=0x5610552b7118, reg_cfp=0x7f7a094d0c58, calling=&lt;optimized out&gt;, ci=0x561056588b60, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#36 0x00005610540e2913 in vm_call_method (ec=0x5610552b7118, cfp=0x7f7a094d0c58, calling=&lt;optimized out&gt;, ci=&lt;optimized out&gt;, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:2424
#37 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610552b7118, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#38 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610552b7118, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#39 0x00005610540e1fb9 in invoke_block (captured=0x7f7a094d0e30, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628153775360, iseq=&lt;optimized out&gt;, ec=0x5610552b7118) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#40 invoke_iseq_block_from_c (ec=0x5610552b7118, captured=0x7f7a094d0e30, self=94628153775360, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#41 0x00005610540e399d in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=0, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#42 vm_yield_force_blockarg (args=94628164992560, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1135
#43 rb_yield_force_blockarg (values=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:1037
#44 0x0000561054102bed in rb_ary_collect (ary=94628164990280) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;array.c:2741
#45 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610553d4d20, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a094d0e18, ec=0x5610552b7118) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#46 vm_call_cfunc (ec=0x5610552b7118, reg_cfp=0x7f7a094d0e18, calling=&lt;optimized out&gt;, ci=0x5610553d4d20, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#47 0x00005610540eb486 in vm_exec_core (ec=ec@entry=0x5610552b7118, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#48 0x00005610540e10be in vm_exec (ec=ec@entry=0x5610552b7118, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1807
#49 0x00005610540e1fb9 in invoke_block (captured=0x7f7a094d0f48, opt_pc=&lt;optimized out&gt;, type=&lt;optimized out&gt;, cref=0x0, self=94628153775360, iseq=&lt;optimized out&gt;, ec=0x5610552b7118) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1004
#50 invoke_iseq_block_from_c (ec=0x5610552b7118, captured=0x7f7a094d0f48, self=94628153775360, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, passed_block_handler=0, cref=0x0, is_lambda=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1056
#51 0x00005610540e399d in invoke_block_from_c_bh (argc=&lt;optimized out&gt;, passed_block_handler=&lt;optimized out&gt;, cref=&lt;optimized out&gt;, is_lambda=0, force_blockarg=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, block_handler=&lt;optimized out&gt;, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1074
#52 vm_yield_force_blockarg (args=94628164976280, ec=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1135
#53 rb_yield_force_blockarg (values=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_eval.c:1037
#54 0x0000561054102bed in rb_ary_collect (ary=94628164964080) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;array.c:2741
#55 0x00005610540d9c9f in vm_call_cfunc_with_frame (ci=0x5610553ea640, cc=&lt;optimized out&gt;, calling=&lt;optimized out&gt;, reg_cfp=0x7f7a094d0f30, ec=0x5610552b7118) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1934
#56 vm_call_cfunc (ec=0x5610552b7118, reg_cfp=0x7f7a094d0f30, calling=&lt;optimized out&gt;, ci=0x5610553ea640, cc=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm_insnhelper.c:1950
#57 0x00005610540eb486 in vm_exec_core (ec=0x5610552b7118, initial=initial@entry=0) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;insns.def:725
#58 0x00005610540e17b4 in vm_exec (ec=0x5610552b7118, mjit_enable_p=mjit_enable_p@entry=1) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:1816
#59 0x00005610540f0baa in rb_iseq_eval_main (iseq=iseq@entry=0x5610552c8998) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;vm.c:2066
#60 0x0000561053f5b394 in ruby_exec_internal (n=0x5610552c8998) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;eval.c:261
#61 0x0000561053f5f85f in ruby_exec_node (n=0x5610552c8998) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;eval.c:325
#62 ruby_run_node (n=&lt;optimized out&gt;) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;eval.c:317
#63 0x0000561053f5a83f in main (argc=8, argv=0x7ffca4e88e58) at &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;main.c:42
&gt;&gt;&gt; Dump Ruby level backtrace
th: 0x5610552b6260, native_id: 0x7f7a094d2740
-- Control frame information -----------------------------------------------
c:0022 p:---- s:0133 e:000132 CFUNC  :join
c:0021 p:0006 s:0129 e:000128 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:927 [FINISH]
c:0020 p:---- s:0125 e:000124 CFUNC  :each
c:0019 p:0011 s:0121 E:000870 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:926 [FINISH]
c:0018 p:---- s:0118 e:000117 CFUNC  :enable
c:0017 p:0016 s:0114 E:0017b0 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:920
c:0016 p:0048 s:0111 e:000110 METHOD &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit&#x2F;assertions.rb:179
c:0015 p:0005 s:0100 E:001680 METHOD &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:915
c:0014 p:0059 s:0096 e:000095 METHOD &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit.rb:1168
c:0013 p:0058 s:0090 e:000089 METHOD &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;minitest&#x2F;unit.rb:1283
c:0012 p:0016 s:0081 e:000080 METHOD &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit&#x2F;testcase.rb:18
c:0011 p:0082 s:0076 e:000075 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;minitest&#x2F;unit.rb:952 [FINISH]
c:0010 p:---- s:0069 e:000068 CFUNC  :map
c:0009 p:0133 s:0065 e:000064 METHOD &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;minitest&#x2F;unit.rb:945
c:0008 p:0046 s:0053 e:000052 METHOD &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit.rb:1035
c:0007 p:0095 s:0046 E:001400 METHOD &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit&#x2F;parallel.rb:50
c:0006 p:0009 s:0030 e:000029 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit&#x2F;parallel.rb:25 [FINISH]
c:0005 p:---- s:0026 e:000025 CFUNC  :map
c:0004 p:0006 s:0022 e:000021 METHOD &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit&#x2F;parallel.rb:24
c:0003 p:0263 s:0016 e:000015 METHOD &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit&#x2F;parallel.rb:122
c:0002 p:0128 s:0006 e:000005 EVAL   &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit&#x2F;parallel.rb:207 [FINISH]
c:0001 p:0000 s:0003 E:001a40 (none) [FINISH]

th: 0x56105616a2d0, native_id: 0x7f7a0936f700
-- Control frame information -----------------------------------------------
c:0003 p:---- s:0012 e:000011 CFUNC  :readpartial
c:0002 p:0036 s:0007 E:0006a8 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;lib&#x2F;test&#x2F;unit&#x2F;parallel.rb:39 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

th: 0x5610567e7f60, native_id: 0x7f7a0934e700
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0027 e:000026 CFUNC  :pass
c:0007 p:0011 s:0023 e:000022 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:918 [FINISH]
c:0006 p:---- s:0020 e:000019 CFUNC  :times
c:0005 p:0007 s:0016 e:000015 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:917 [FINISH]
c:0004 p:0001 s:0013 e:000012 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :times
c:0002 p:0007 s:0006 e:000005 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

th: 0x5610558dc060, native_id: 0x7f7a0932d700
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0028 e:000027 CFUNC  :pass
c:0007 p:0011 s:0024 e:000023 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:918 [FINISH]
c:0006 p:---- s:0021 e:000020 CFUNC  :times
c:0005 p:0007 s:0017 e:000016 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:917 [FINISH]
c:0004 p:0003 s:0014 e:000012 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:924 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :times
c:0002 p:0007 s:0006 e:000005 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

th: 0x5610567e9aa0, native_id: 0x7f79f4d34700
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0027 e:000026 CFUNC  :pass
c:0007 p:0011 s:0023 e:000022 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:918 [FINISH]
c:0006 p:---- s:0020 e:000019 CFUNC  :times
c:0005 p:0007 s:0016 e:000015 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:917 [FINISH]
c:0004 p:0001 s:0013 e:000012 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :times
c:0002 p:0007 s:0006 e:000005 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

th: 0x5610558dc290, native_id: 0x7f79f4c12700
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0028 e:000027 CFUNC  :pass
c:0007 p:0011 s:0024 e:000023 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:918 [FINISH]
c:0006 p:---- s:0021 e:000020 CFUNC  :times
c:0005 p:0007 s:0017 e:000016 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:917 [FINISH]
c:0004 p:0003 s:0014 e:000012 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:924 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :times
c:0002 p:0007 s:0006 e:000005 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

th: 0x5610562e2530, native_id: 0x7f79f4af0700
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0028 e:000027 CFUNC  :pass
c:0007 p:0011 s:0024 e:000023 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:918 [FINISH]
c:0006 p:---- s:0021 e:000020 CFUNC  :times
c:0005 p:0007 s:0017 e:000016 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:917 [FINISH]
c:0004 p:0003 s:0014 e:000012 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:924 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :times
c:0002 p:0007 s:0006 e:000005 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

th: 0x5610562e2de0, native_id: 0x7f79f49ce700
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0027 e:000026 CFUNC  :pass
c:0007 p:0011 s:0023 e:000022 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:918 [FINISH]
c:0006 p:---- s:0020 e:000019 CFUNC  :times
c:0005 p:0007 s:0016 e:000015 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:917 [FINISH]
c:0004 p:0001 s:0013 e:000012 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :times
c:0002 p:0007 s:0006 e:000005 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

th: 0x5610562e3690, native_id: 0x7f79f48ac700
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0028 e:000027 CFUNC  :pass
c:0007 p:0011 s:0024 e:000023 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:918 [FINISH]
c:0006 p:---- s:0021 e:000020 CFUNC  :times
c:0005 p:0007 s:0017 e:000016 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:917 [FINISH]
c:0004 p:0003 s:0014 e:000012 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:924 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :times
c:0002 p:0007 s:0006 e:000005 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

th: 0x5610562e3f40, native_id: 0x7f79f478a700
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0027 e:000026 CFUNC  :pass
c:0007 p:0011 s:0023 e:000022 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:918 [FINISH]
c:0006 p:---- s:0020 e:000019 CFUNC  :times
c:0005 p:0007 s:0016 e:000015 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:917 [FINISH]
c:0004 p:0001 s:0013 e:000012 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :times
c:0002 p:0007 s:0006 e:000005 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

th: 0x5610562e47f0, native_id: 0x7f79f4668700
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0027 e:000026 CFUNC  :pass
c:0007 p:0011 s:0023 e:000022 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:918 [FINISH]
c:0006 p:---- s:0020 e:000019 CFUNC  :times
c:0005 p:0007 s:0016 e:000015 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:917 [FINISH]
c:0004 p:0001 s:0013 e:000012 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :times
c:0002 p:0007 s:0006 e:000005 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

th: 0x5610562e50a0, native_id: 0x7f79f4546700
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0028 e:000027 CFUNC  :pass
c:0007 p:0011 s:0024 e:000023 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:918 [FINISH]
c:0006 p:---- s:0021 e:000020 CFUNC  :times
c:0005 p:0007 s:0017 e:000016 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:917 [FINISH]
c:0004 p:0003 s:0014 e:000012 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:924 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :times
c:0002 p:0007 s:0006 e:000005 BLOCK  &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb:923 [FINISH]
c:0001 p:---- s:0003 e:000002 (none) [FINISH]

$1 = 0
&quot;&gt;&gt;&gt; Finish
&quot;
[nil, 16463]
&quot;gdb -p 16457 -x &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;gdbscript -batch -quiet&quot;
running file: &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;src&#x2F;trunk_gcc5&#x2F;test&#x2F;ruby&#x2F;test_settracefunc.rb

Some worker was crashed. It seems ruby interpreter&#x27;s bug
or, a bug of test&#x2F;unit&#x2F;parallel.rb. try again without -j
option.

make: *** [yes-test-all] Error 1
ptrace: No such process.
&gt;&gt;&gt; Machine level backtrace
&gt;&gt;&gt; Dump Ruby level backtrace
&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;gdbscript:9: Error in sourced command file:
No symbol table is loaded.  Use the &quot;file&quot; command.
[nil, 16457]
#&lt;Errno::ESRCH: No such process&gt;
&quot;gdb -p 16455 -x &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;gdbscript -batch -quiet&quot;
ptrace: No such process.
&gt;&gt;&gt; Machine level backtrace
&gt;&gt;&gt; Dump Ruby level backtrace
&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;gdbscript:9: Error in sourced command file:
No symbol table is loaded.  Use the &quot;file&quot; command.
[nil, 16455]
#&lt;Errno::ESRCH: No such process&gt;
&quot;gdb -p 16453 -x &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;gdbscript -batch -quiet&quot;
Could not attach to process.  If your uid matches the uid of the target
process, check the setting of &#x2F;proc&#x2F;sys&#x2F;kernel&#x2F;yama&#x2F;ptrace_scope, or try
again as the root user.  For more details, see &#x2F;etc&#x2F;sysctl.d&#x2F;10-ptrace.conf
warning: process 16453 is a zombie - the process has already terminated
ptrace: Operation not permitted.
&gt;&gt;&gt; Machine level backtrace
&gt;&gt;&gt; Dump Ruby level backtrace
&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;gdbscript:9: Error in sourced command file:
No symbol table is loaded.  Use the &quot;file&quot; command.
[nil, 16453]
&quot;gdb -p 26545 -x &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;gdbscript -batch -quiet&quot;
ptrace: No such process.
&gt;&gt;&gt; Machine level backtrace
&gt;&gt;&gt; Dump Ruby level backtrace
&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;gdbscript:9: Error in sourced command file:
No symbol table is loaded.  Use the &quot;file&quot; command.
[nil, 26545]
#&lt;Errno::ESRCH: No such process&gt;
  0.010000   0.020000 863.950000 (10804.171283)
&#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:146:in `each_line&#x27;: execution expired (Timeout::Error)
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:146:in `block (2 levels) in cmd&#x27;
	from &#x2F;usr&#x2F;lib&#x2F;ruby&#x2F;2.3.0&#x2F;timeout.rb:106:in `timeout&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:145:in `block in cmd&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:142:in `popen&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:142:in `cmd&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:281:in `block in test_all&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:210:in `block in builddir&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:209:in `chdir&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:209:in `builddir&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:280:in `test_all&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:336:in `block (4 levels) in run&#x27;
	from &#x2F;usr&#x2F;lib&#x2F;ruby&#x2F;2.3.0&#x2F;benchmark.rb:293:in `measure&#x27;
	from &#x2F;usr&#x2F;lib&#x2F;ruby&#x2F;2.3.0&#x2F;benchmark.rb:375:in `item&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:334:in `block (3 levels) in run&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:333:in `each&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:333:in `block (2 levels) in run&#x27;
	from &#x2F;usr&#x2F;lib&#x2F;ruby&#x2F;2.3.0&#x2F;benchmark.rb:173:in `benchmark&#x27;
	from &#x2F;usr&#x2F;lib&#x2F;ruby&#x2F;2.3.0&#x2F;benchmark.rb:205:in `bm&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:332:in `block in run&#x27;
	from &#x2F;usr&#x2F;lib&#x2F;ruby&#x2F;2.3.0&#x2F;benchmark.rb:293:in `measure&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:331:in `run&#x27;
	from &#x2F;home&#x2F;ko1&#x2F;ruby&#x2F;build-ruby&#x2F;build-ruby.rb:494:in `&lt;main&gt;&#x27;
total: 10842.41 sec
</pre></li>
    </ul>
</p>