Result of trunk-asserts@silicon-docker at 2019-02-05 06:34:31 +0900

• NG (r67003) [LOG]

• Linux silicon-docker 4.9.0-8-amd64 #1 SMP Debian 4.9.110-3+deb9u6 (2018-10-08) x86_64 x86_64 x86_64 GNU/Linux
  

• rev: 67003
  test-all : 
  test-spec: 
  exit statuses:
    "rm -f .revision.time" exit with 0.
    "make update-download DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make update-rubyspec DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make update-src      DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make after-update    DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make miniruby DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make ruby DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make all DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make install DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make yes-btest TESTS='-j6'" exit with 0.
    "make yes-test-basic TESTS='-j6'" exit with 0.
  Logfile: /home/ko1/ruby/logs/brlog.trunk-asserts.20190204-183052
  #<BuildRuby:0x0000563d754273f0
   @BUILD_DIR="/tmp/ruby/build",
   @INSTALL_DIR="/tmp/ruby/install",
   @REPOSITORY="https://svn.ruby-lang.org/repos/ruby/trunk",
   @REPOSITORY_TYPE=:svn,
   @SRC_DIR="/tmp/ruby/src",
   @TARGET_BUILD_DIR="/tmp/ruby/build/trunk-asserts",
   @TARGET_INSTALL_DIR="/tmp/ruby/install/trunk-asserts",
   @TARGET_NAME="trunk-asserts",
   @TARGET_SRC_DIR="/tmp/ruby/src/trunk-asserts",
   @build_opts="DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"",
   @configure_opts=["--enable-shared"],
   @gist=false,
   @git_branch=nil,
   @incremental=true,
   @logfile="/home/ko1/ruby/logs/brlog.trunk-asserts.20190204-183052",
   @quiet=false,
   @steps=
    ["checkout",
     "autoconf",
     "configure",
     "build_up",
     "build_miniruby",
     "build_ruby",
     "build_all",
     "build_install",
     "test_btest",
     "test_basic",
     "test_all",
     "test_rubyspec"],
   @svn_revision=nil,
   @test_opts="TESTS='-j6'",
   @timeout=10800>
                             user     system      total        real
  checkout               0.000000   0.000000   0.000000 (  0.000021)
  autoconf               0.000000   0.000000   0.000000 (  0.000038)
  configure              0.000000   0.000000   0.000000 (  0.000038)
  build_up               0.004000   0.008000   2.712000 (  3.004590)
  build_miniruby         0.000000   0.000000   0.144000 (  0.172095)
  build_ruby             0.004000   0.000000   0.188000 (  0.207038)
  build_all              0.016000   0.004000   6.372000 (  6.660921)
  build_install          0.020000   0.008000  13.820000 ( 14.176979)
  test_btest           test_attr.rb             ..
  test_autoload.rb         ........
  test_block.rb            ..........................................................
  test_class.rb            ................................................
  test_env.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 1397 tests
    0.004000   0.000000 178.788000 (181.844158)
  test_basic             0.008000   0.004000   4.380000 (  4.513202)
  test_all             (eval):1: warning: `yield' in class syntax will not be supported from Ruby 3.0. [Feature #15575]
  $$$ #<Timeout::Error: execution expired>
   PPID   PID  PGID   SID TTY      TPGID STAT   UID   TIME COMMAND
     13    14    14    14 ?           -1 Ss    1001   0:00 sh build-loop.sh trunk-asserts --incremental --process-num=6
     14  7474    14    14 ?           -1 Sl    1001   0:00 ruby ./br.rb build_report trunk-asserts --incremental --process-num=6
   7474  7476    14    14 ?           -1 S     1001   0:00 sh -c ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-asserts --logfile=/home/ko1/ruby/logs/brlog.trunk-asserts.20190204-183052 --root_dir=/tmp/ruby --timeout=10800 --build_opts='DEFS="-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2"'               --add-env=RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE=30 --incremental --process-num=6
   7476  7477    14    14 ?           -1 Sl    1001   0:00 ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-asserts --logfile=/home/ko1/ruby/logs/brlog.trunk-asserts.20190204-183052 --root_dir=/tmp/ruby --timeout=10800 --build_opts=DEFS="-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2" --add-env=RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE=30 --incremental --process-num=6
   7477 11273    14    14 ?           -1 S     1001   0:00 sh -c make yes-test-all TESTS='-j6'
  11273 11275    14    14 ?           -1 S     1001   0:00 make yes-test-all TESTS=-j6
  11275 11290    14    14 ?           -1 S     1001   0:26 /tmp/ruby/build/trunk-asserts/ruby --disable-gems /tmp/ruby/src/trunk-asserts/test/runner.rb --ruby=./miniruby -I/tmp/ruby/src/trunk-asserts/lib -I. -I.ext/common  /tmp/ruby/src/trunk-asserts/tool/runruby.rb --extout=.ext  -- --disable-gems --excludes-dir=/tmp/ruby/src/trunk-asserts/test/excludes --name=!/memory_leak/ -j6
  11290 11292    14    14 ?           -1 Sl    1001  11:20 /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb
  11292 16537    14    14 ?           -1 Sl    1001   0:02 /tmp/ruby/build/trunk-asserts/ruby /tmp/ruby/src/trunk-asserts/test/drb/ut_drb_drbssl.rb drbssl://172.17.0.13:37505 ut_drb_drbssl.rb
   7477 18113    14    14 ?           -1 R     1001   0:00 ps jx
  {13=>[14], 14=>[7474], 7474=>[7476], 7476=>[7477], 7477=>[11273, 18113], 11273=>[11275], 11275=>[11290], 11290=>[11292], 11292=>[16537]}
  "gdb -p 16537 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  [New LWP 16539]
  [New LWP 16540]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  39	../sysdeps/unix/sysv/linux/ppoll.c: No such file or directory.
  0x00007f2eb0b9ccf6 in __GI_ppoll (fds=fds@entry=0x7ffd74db3bb0, nfds=nfds@entry=2, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  >>> Machine level backtrace
  
  Thread 3 (Thread 0x7f2eb14a2700 (LWP 16540)):
  #0  0x00007f2eb0b9ccf6 in __GI_ppoll (fds=fds@entry=0x7f2eb14a07c0, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  #1  0x00007f2eb10a7979 in rb_wait_for_single_fd (fd=fd@entry=12, events=events@entry=1, timeout=timeout@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread.c:4116
  #2  0x00007f2eb10a8044 in rb_thread_wait_fd_rw (read=1, fd=fd@entry=12) at /tmp/ruby/src/trunk-asserts/thread.c:3980
  #3  rb_thread_wait_fd (fd=fd@entry=12) at /tmp/ruby/src/trunk-asserts/thread.c:3991
  #4  0x00007f2eb0f7565f in rb_io_wait_readable (f=12) at /tmp/ruby/src/trunk-asserts/io.c:1189
  #5  0x00007f2eacd7e5b9 in ossl_start_ssl (opts=0, funcname=0x7f2eacd8c8f3 "SSL_connect", func=<optimized out>, self=94059431131880) at /tmp/ruby/src/trunk-asserts/ext/openssl/ossl_ssl.c:1680
  #6  ossl_ssl_connect (self=94059431131880) at /tmp/ruby/src/trunk-asserts/ext/openssl/ossl_ssl.c:1722
  #7  0x00007f2eb10da24e in vm_call_cfunc_with_frame (ci=0x558beb177a30, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f2eabf44bb0, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #8  vm_call_cfunc (ec=0x7f2ea4011588, reg_cfp=0x7f2eabf44bb0, calling=<optimized out>, ci=0x558beb177a30, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #9  0x00007f2eb10e4182 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x558beb177aa0, ci=0x558beb177a30, reg_cfp=0x7f2eabf44bb0, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #10 vm_exec_core (ec=ec@entry=0x7f2ea4011588, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #11 0x00007f2eb10eb2a1 in rb_vm_exec (ec=ec@entry=0x7f2ea4011588, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #12 0x00007f2eb10ebead in invoke_block (ec=ec@entry=0x7f2ea4011588, iseq=iseq@entry=0x558beb3d94c0, self=self@entry=94059435791120, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #13 0x00007f2eb10ece9d in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7f2eb14a0ce0, argc=1, self=94059435791120, captured=<optimized out>, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #14 invoke_block_from_c_bh (ec=ec@entry=0x7f2ea4011588, block_handler=<optimized out>, block_handler@entry=139838430137513, argv=argv@entry=0x7f2eb14a0d60, force_blockarg=force_blockarg@entry=0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, argc=1) at /tmp/ruby/src/trunk-asserts/vm.c:1122
  #15 0x00007f2eb10ed042 in vm_yield (argc=1, argv=0x7f2eb14a0d60, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm.c:1167
  #16 rb_yield_0 (argv=0x7f2eb14a0d60, argc=1) at /tmp/ruby/src/trunk-asserts/vm_eval.c:979
  #17 rb_yield_1 (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:985
  #18 rb_yield (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:995
  #19 0x00007f2eb0ead90c in rb_ary_each (ary=94059435789400) at /tmp/ruby/src/trunk-asserts/array.c:2087
  #20 0x00007f2eb10da24e in vm_call_cfunc_with_frame (ci=0x558beb36ba60, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f2eabf44c90, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #21 vm_call_cfunc (ec=0x7f2ea4011588, reg_cfp=0x7f2eabf44c90, calling=<optimized out>, ci=0x558beb36ba60, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #22 0x00007f2eb10e422f in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cc=0x558beb389a60, ci=0x558beb36ba60, reg_cfp=0x7f2eabf44c90, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #23 vm_exec_core (ec=ec@entry=0x7f2ea4011588, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:764
  #24 0x00007f2eb10eb2a1 in rb_vm_exec (ec=ec@entry=0x7f2ea4011588, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #25 0x00007f2eb10f00f0 in vm_call0_body (argv=0x7f2eabe45240, cc=0x7f2eb14a1170, ci=0x7f2eb14a1140, calling=0x7f2eb14a1150, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm_eval.c:128
  #26 rb_vm_call0 (ec=0x7f2ea4011588, recv=recv@entry=94059431085360, id=id@entry=3041, argc=argc@entry=-1124677834, argv=0x7f2eabe45240, argv@entry=0x1, me=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:60
  #27 0x00007f2eb10f0d20 in rb_call0 (ec=<optimized out>, recv=recv@entry=94059431085360, mid=mid@entry=3041, argc=-1124677834, argc@entry=3041, argv=argv@entry=0x1, self=<optimized out>, scope=CALL_FCALL) at /tmp/ruby/src/trunk-asserts/vm_eval.c:309
  #28 0x00007f2eb10f0d75 in rb_call (scope=CALL_FCALL, argv=0x1, argc=3041, mid=3041, recv=94059431085360) at /tmp/ruby/src/trunk-asserts/vm_eval.c:602
  #29 rb_funcallv (recv=recv@entry=94059431085360, mid=mid@entry=3041, argc=argc@entry=1, argv=argv@entry=0x7f2eabe45240) at /tmp/ruby/src/trunk-asserts/vm_eval.c:824
  #30 0x00007f2eb0f4419e in rb_obj_call_init (obj=obj@entry=94059431085360, argc=argc@entry=1, argv=argv@entry=0x7f2eabe45240) at /tmp/ruby/src/trunk-asserts/eval.c:1627
  #31 0x00007f2eb0fd2b2d in rb_class_s_new (argc=1, argv=0x7f2eabe45240, klass=94059435788240) at /tmp/ruby/src/trunk-asserts/object.c:2187
  #32 0x00007f2eb10da24e in vm_call_cfunc_with_frame (ci=0x558beb2233d0, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f2eabf44d38, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #33 vm_call_cfunc (ec=0x7f2ea4011588, reg_cfp=0x7f2eabf44d38, calling=<optimized out>, ci=0x558beb2233d0, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #34 0x00007f2eb10e4182 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x558beb3ec5f8, ci=0x558beb2233d0, reg_cfp=0x7f2eabf44d38, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #35 vm_exec_core (ec=ec@entry=0x7f2ea4011588, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #36 0x00007f2eb10eb2a1 in rb_vm_exec (ec=ec@entry=0x7f2ea4011588, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #37 0x00007f2eb10f2414 in invoke_block (captured=<optimized out>, opt_pc=<optimized out>, type=<optimized out>, cref=0x0, self=94059435700640, iseq=0x558beb3e0130, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #38 invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, argv=0x0, argc=0, self=94059435700640, captured=<optimized out>, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #39 invoke_block_from_c_bh (argc=<optimized out>, argv=<optimized out>, passed_block_handler=<optimized out>, cref=<optimized out>, is_lambda=<optimized out>, force_blockarg=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1122
  #40 vm_yield (argc=0, argv=0x0, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm.c:1167
  #41 rb_yield_0 (argv=0x0, argc=0) at /tmp/ruby/src/trunk-asserts/vm_eval.c:979
  #42 loop_i () at /tmp/ruby/src/trunk-asserts/vm_eval.c:1058
  #43 0x00007f2eb0f40bb2 in rb_rescue2 (b_proc=0x7f2eb10f1fb0 <loop_i>, data1=0, r_proc=0x7f2eb10d3a40 <loop_stop>, data2=0) at /tmp/ruby/src/trunk-asserts/eval.c:934
  #44 0x00007f2eb10da24e in vm_call_cfunc_with_frame (ci=0x558beb3fddd0, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f2eabf44fa0, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #45 vm_call_cfunc (ec=0x7f2ea4011588, reg_cfp=0x7f2eabf44fa0, calling=<optimized out>, ci=0x558beb3fddd0, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #46 0x00007f2eb10e422f in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cc=0x558beb3fd950, ci=0x558beb3fddd0, reg_cfp=0x7f2eabf44fa0, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #47 vm_exec_core (ec=ec@entry=0x7f2ea4011588, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:764
  #48 0x00007f2eb10eb2a1 in rb_vm_exec (ec=ec@entry=0x7f2ea4011588, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #49 0x00007f2eb10ebead in invoke_block (ec=ec@entry=0x7f2ea4011588, iseq=iseq@entry=0x558beb3e0310, self=self@entry=94059435700640, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #50 0x00007f2eb10ef011 in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7f2eb14a1bd0, argc=<optimized out>, self=94059435700640, captured=0x7f2ea400ff90, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #51 invoke_block_from_c_proc (me=0x0, is_lambda=0, passed_block_handler=0, argv=0x7f2eb14a1bd0, argc=<optimized out>, self=94059435700640, proc=0x22220001, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm.c:1204
  #52 vm_invoke_proc (passed_block_handler=0, argv=0x7f2eb14a1bd0, argc=<optimized out>, self=94059435700640, proc=0x22220001, ec=0x7f2ea4011588) at /tmp/ruby/src/trunk-asserts/vm.c:1222
  #53 rb_vm_invoke_proc (ec=0x7f2ea4011588, proc=proc@entry=0x7f2ea400ff90, argc=argc@entry=1, argv=argv@entry=0x7f2eb14a1bd0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/src/trunk-asserts/vm.c:1243
  #54 0x00007f2eb10a1201 in thread_do_start (th=th@entry=0x7f2ea4017f00) at /tmp/ruby/src/trunk-asserts/thread.c:686
  #55 0x00007f2eb10a366e in thread_start_func_2 (th=th@entry=0x7f2ea4017f00, stack_start=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:725
  #56 0x00007f2eb10a3c1b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1030
  #57 0x00007f2eb06536db in start_thread (arg=0x7f2eb14a2700) at pthread_create.c:463
  #58 0x00007f2eb0ba988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 2 (Thread 0x7f2eb14c3700 (LWP 16539)):
  #0  0x00007f2eb0b9f03f in __GI___select (nfds=7, readfds=0x7f2ea4005860, writefds=0x0, exceptfds=0x0, timeout=0x0) at ../sysdeps/unix/sysv/linux/select.c:41
  #1  0x00007f2eb10a6d4c in rb_fd_select (n=<optimized out>, readfds=<optimized out>, writefds=<optimized out>, exceptfds=<optimized out>, timeout=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:3770
  #2  0x00007f2eb10a6ec8 in native_fd_select (th=<optimized out>, timeout=<optimized out>, exceptfds=<optimized out>, writefds=<optimized out>, readfds=<optimized out>, n=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1223
  #3  do_select (p=p@entry=139838519780400) at /tmp/ruby/src/trunk-asserts/thread.c:3939
  #4  0x00007f2eb0f411b6 in rb_ensure (b_proc=b_proc@entry=0x7f2eb10a6d50 <do_select>, data1=data1@entry=139838519780400, e_proc=e_proc@entry=0x7f2eb10a6a80 <select_set_free>, data2=data2@entry=139838519780400) at /tmp/ruby/src/trunk-asserts/eval.c:1075
  #5  0x00007f2eb10a74d6 in rb_thread_fd_select (max=max@entry=7, read=read@entry=0x7f2eb14c2780, write=write@entry=0x0, except=except@entry=0x0, timeout=timeout@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread.c:4062
  #6  0x00007f2eb0f74be0 in select_internal (fds=0x7f2eb14c2780, tp=0x0, except=<optimized out>, write=<optimized out>, read=<optimized out>) at /tmp/ruby/src/trunk-asserts/io.c:9091
  #7  select_call (arg=arg@entry=139838519781216) at /tmp/ruby/src/trunk-asserts/io.c:9161
  #8  0x00007f2eb0f411b6 in rb_ensure (b_proc=b_proc@entry=0x7f2eb0f748b0 <select_call>, data1=data1@entry=139838519781216, e_proc=e_proc@entry=0x7f2eb0f71100 <select_end>, data2=data2@entry=139838519781216) at /tmp/ruby/src/trunk-asserts/eval.c:1075
  #9  0x00007f2eb0f71046 in rb_f_select (argc=<optimized out>, argv=<optimized out>, obj=<optimized out>) at /tmp/ruby/src/trunk-asserts/io.c:9510
  #10 0x00007f2eb10da24e in vm_call_cfunc_with_frame (ci=0x558beb3e4300, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f2eac045ef8, ec=0x558beb28f508) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #11 vm_call_cfunc (ec=0x558beb28f508, reg_cfp=0x7f2eac045ef8, calling=<optimized out>, ci=0x558beb3e4300, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #12 0x00007f2eb10e4182 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x558beb3e4340, ci=0x558beb3e4300, reg_cfp=0x7f2eac045ef8, ec=0x558beb28f508) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #13 vm_exec_core (ec=ec@entry=0x558beb28f508, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #14 0x00007f2eb10eb2a1 in rb_vm_exec (ec=ec@entry=0x558beb28f508, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #15 0x00007f2eb10ebead in invoke_block (ec=ec@entry=0x558beb28f508, iseq=iseq@entry=0x558beb3e1530, self=self@entry=94059435700640, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #16 0x00007f2eb10ef011 in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7f2eb14c2bd0, argc=<optimized out>, self=94059435700640, captured=0x558beb4c3040, ec=0x558beb28f508) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #17 invoke_block_from_c_proc (me=0x0, is_lambda=0, passed_block_handler=0, argv=0x7f2eb14c2bd0, argc=<optimized out>, self=94059435700640, proc=0x22220001, ec=0x558beb28f508) at /tmp/ruby/src/trunk-asserts/vm.c:1204
  #18 vm_invoke_proc (passed_block_handler=0, argv=0x7f2eb14c2bd0, argc=<optimized out>, self=94059435700640, proc=0x22220001, ec=0x558beb28f508) at /tmp/ruby/src/trunk-asserts/vm.c:1222
  #19 rb_vm_invoke_proc (ec=0x558beb28f508, proc=proc@entry=0x558beb4c3040, argc=argc@entry=0, argv=argv@entry=0x7f2eb14c2bd0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/src/trunk-asserts/vm.c:1243
  #20 0x00007f2eb10a1201 in thread_do_start (th=th@entry=0x558beb4c2de0) at /tmp/ruby/src/trunk-asserts/thread.c:686
  #21 0x00007f2eb10a366e in thread_start_func_2 (th=th@entry=0x558beb4c2de0, stack_start=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:725
  #22 0x00007f2eb10a3c1b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1030
  #23 0x00007f2eb06536db in start_thread (arg=0x7f2eb14c3700) at pthread_create.c:463
  #24 0x00007f2eb0ba988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7f2eb1626d80 (LWP 16537)):
  #0  0x00007f2eb0b9ccf6 in __GI_ppoll (fds=fds@entry=0x7ffd74db3bb0, nfds=nfds@entry=2, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  #1  0x00007f2eb10a1f0c in native_ppoll_sleep (th=th@entry=0x558beaf99fa0, rel=rel@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:2136
  #2  0x00007f2eb10a275a in native_sleep (th=th@entry=0x558beaf99fa0, rel=0x0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:2175
  #3  0x00007f2eb10a678e in thread_join_sleep (arg=arg@entry=140726563978768) at /tmp/ruby/src/trunk-asserts/thread.c:987
  #4  0x00007f2eb0f411b6 in rb_ensure (b_proc=b_proc@entry=0x7f2eb10a6640 <thread_join_sleep>, data1=data1@entry=140726563978768, e_proc=e_proc@entry=0x7f2eb109bc80 <remove_from_join_list>, data2=data2@entry=140726563978768) at /tmp/ruby/src/trunk-asserts/eval.c:1075
  #5  0x00007f2eb109ef08 in thread_join (target_th=0x558beb4c2de0, rel=rel@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread.c:1032
  #6  0x00007f2eb109f02c in thread_join_m (argc=<optimized out>, argv=<optimized out>, self=94059435688240) at /tmp/ruby/src/trunk-asserts/thread.c:1129
  #7  0x00007f2eb10da24e in vm_call_cfunc_with_frame (ci=0x558beb2b1d00, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f2eb1624fa0, ec=0x558beaf9a438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #8  vm_call_cfunc (ec=0x558beaf9a438, reg_cfp=0x7f2eb1624fa0, calling=<optimized out>, ci=0x558beb2b1d00, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #9  0x00007f2eb10ee6fa in vm_call_method (ec=0x558beaf9a438, cfp=0x7f2eb1624fa0, calling=<optimized out>, ci=<optimized out>, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2495
  #10 0x00007f2eb10e4182 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x558beb2e8688, ci=0x558beb2b1d00, reg_cfp=0x7f2eb1624fa0, ec=0x558beaf9a438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #11 vm_exec_core (ec=ec@entry=0x558beaf9a438, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #12 0x00007f2eb10eb2a1 in rb_vm_exec (ec=<optimized out>, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #13 0x00007f2eb10efb80 in rb_iseq_eval_main (iseq=iseq@entry=0x558beb23b8e8) at /tmp/ruby/src/trunk-asserts/vm.c:2156
  #14 0x00007f2eb0f3d3d6 in ruby_exec_internal (n=0x558beb23b8e8) at /tmp/ruby/src/trunk-asserts/eval.c:261
  #15 0x00007f2eb0f3fb1d in ruby_exec_node (n=<optimized out>, n@entry=0x558beb23b8e8) at /tmp/ruby/src/trunk-asserts/eval.c:325
  #16 0x00007f2eb0f43ace in ruby_run_node (n=0x558beb23b8e8) at /tmp/ruby/src/trunk-asserts/eval.c:317
  #17 0x0000558be8fb4a1f in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/src/trunk-asserts/main.c:42
  >>> Dump Ruby level backtrace
  th: 0x558beaf99fa0, native_id: 0x7f2eb1626d80
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0012 e:000011 CFUNC  :join
  c:0002 p:0239 s:0008 E:002320 EVAL   /tmp/ruby/src/trunk-asserts/test/drb/ut_drb_drbssl.rb:37 [FINISH]
  c:0001 p:0000 s:0003 E:002400 (none) [FINISH]
  
  th: 0x558beb4c2de0, native_id: 0x7f2eb14c3700
  -- Control frame information -----------------------------------------------
  c:0006 p:---- s:0027 e:000026 CFUNC  :select
  c:0005 p:0018 s:0022 e:000021 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:989
  c:0004 p:0008 s:0017 e:000016 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:326
  c:0003 p:0006 s:0011 e:000010 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1665
  c:0002 p:0009 s:0006 e:000005 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1505 [FINISH]
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
  
  th: 0x7f2ea4017f00, native_id: 0x7f2eb14a2700
  -- Control frame information -----------------------------------------------
  c:0021 p:---- s:0115 e:000114 CFUNC  :connect
  c:0020 p:0037 s:0111 e:000110 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:144
  c:0019 p:0068 s:0105 e:000104 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:256
  c:0018 p:0010 s:0094 e:000093 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:739 [FINISH]
  c:0017 p:---- s:0090 e:000089 CFUNC  :each
  c:0016 p:0011 s:0086 e:000085 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:737
  c:0015 p:0027 s:0079 e:000078 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1246 [FINISH]
  c:0014 p:---- s:0074 e:000073 CFUNC  :new
  c:0013 p:0022 s:0069 e:000068 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1226
  c:0012 p:0015 s:0061 e:000060 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1139
  c:0011 p:0020 s:0058 e:000057 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1158
  c:0010 p:0075 s:0051 e:000050 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1138
  c:0009 p:0010 s:0040 e:000039 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/extserv.rb:32
  c:0008 p:0007 s:0036 e:000035 METHOD /tmp/ruby/src/trunk-asserts/lib/monitor.rb:230
  c:0007 p:0005 s:0032 e:000031 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/extserv.rb:31
  c:0006 p:0079 s:0028 e:000027 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1635
  c:0005 p:0103 s:0023 e:000022 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1595
  c:0004 p:0025 s:0018 e:000017 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1679 [FINISH]
  c:0003 p:---- s:0011 e:000010 CFUNC  :loop
  c:0002 p:0063 s:0007 e:000006 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1675 [FINISH]
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
  
  $1 = 0
  ">>> Finish
  "
  [nil, 16537]
  "gdb -p 11292 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  [New LWP 15092]
  [New LWP 16370]
  [New LWP 16371]
  [New LWP 16424]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  0x00007fa9b5b4dfa9 in is_pointer_to_heap (objspace=0x5623bbaef1b0, ptr=0x5623bd23b0e0) at /tmp/ruby/src/trunk-asserts/gc.c:2128
  2128		if (page->start <= p) {
  >>> Machine level backtrace
  
  Thread 5 (Thread 0x7fa9b6121700 (LWP 16424)):
  #0  0x00007fa9b5256ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fa9b6120d70, expected=0, futex_word=0x7fa9b6120e88) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
  #1  __pthread_cond_wait_common (abstime=0x7fa9b6120e50, mutex=0x7fa9b60043a0 <thread_cache_lock>, cond=0x7fa9b6120e60) at pthread_cond_wait.c:533
  #2  __pthread_cond_timedwait (cond=0x7fa9b6120e60, mutex=0x7fa9b60043a0 <thread_cache_lock>, abstime=0x7fa9b6120e50) at pthread_cond_wait.c:667
  #3  0x00007fa9b5ca0d08 in native_cond_timedwait (abs=<synthetic pointer>, mutex=0x7fa9b60043a0 <thread_cache_lock>, cond=0x7fa9b6120e60) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:529
  #4  register_cached_thread_and_wait (altstack=0x7fa98c000b20) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1092
  #5  thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1037
  #6  0x00007fa9b52506db in start_thread (arg=0x7fa9b6121700) at pthread_create.c:463
  #7  0x00007fa9b57a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 4 (Thread 0x7fa9b609f700 (LWP 16371)):
  #0  0x00007fa9b5799cf6 in __GI_ppoll (fds=fds@entry=0x7fa9b609e518, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  #1  0x00007fa9b5c9e6b7 in rb_sigwait_sleep (th=th@entry=0x5623bd7e4b40, sigwait_fd=sigwait_fd@entry=3, rel=rel@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:2044
  #2  0x00007fa9b5c9f673 in native_sleep (th=<optimized out>, rel=0x0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:2164
  #3  0x00007fa9b5ca2d26 in queue_sleep () at /tmp/ruby/src/trunk-asserts/thread.c:1739
  #4  0x00007fa9b5b3e1b6 in rb_ensure (b_proc=b_proc@entry=0x7fa9b5ca2ca0 <queue_sleep>, data1=data1@entry=94711504888240, e_proc=e_proc@entry=0x7fa9b5c98c10 <queue_sleep_done>, data2=data2@entry=140366880302976) at /tmp/ruby/src/trunk-asserts/eval.c:1075
  #5  0x00007fa9b5c9b05e in queue_do_pop (should_block=1, q=0x5623be5dfae0, self=94711504888240) at /tmp/ruby/src/trunk-asserts/thread_sync.c:909
  #6  rb_queue_pop (argc=<optimized out>, argv=<optimized out>, self=94711504888240) at /tmp/ruby/src/trunk-asserts/thread_sync.c:945
  #7  0x00007fa9b5cd724e in vm_call_cfunc_with_frame (ci=0x5623bd89c060, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7fa9b17bbfa0, ec=0x5623bf96ae28) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #8  vm_call_cfunc (ec=0x5623bf96ae28, reg_cfp=0x7fa9b17bbfa0, calling=<optimized out>, ci=0x5623bd89c060, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #9  0x00007fa9b5ce1182 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x5623be12edc0, ci=0x5623bd89c060, reg_cfp=0x7fa9b17bbfa0, ec=0x5623bf96ae28) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #10 vm_exec_core (ec=ec@entry=0x5623bf96ae28, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #11 0x00007fa9b5ce82a1 in rb_vm_exec (ec=ec@entry=0x5623bf96ae28, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #12 0x00007fa9b5ce8ead in invoke_block (ec=ec@entry=0x5623bf96ae28, iseq=iseq@entry=0x5623bd13a290, self=self@entry=94711504888520, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #13 0x00007fa9b5cec011 in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7fa9b609ebd0, argc=<optimized out>, self=94711504888520, captured=0x5623be073020, ec=0x5623bf96ae28) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #14 invoke_block_from_c_proc (me=0x0, is_lambda=0, passed_block_handler=0, argv=0x7fa9b609ebd0, argc=<optimized out>, self=94711504888520, proc=0x22220001, ec=0x5623bf96ae28) at /tmp/ruby/src/trunk-asserts/vm.c:1204
  #15 vm_invoke_proc (passed_block_handler=0, argv=0x7fa9b609ebd0, argc=<optimized out>, self=94711504888520, proc=0x22220001, ec=0x5623bf96ae28) at /tmp/ruby/src/trunk-asserts/vm.c:1222
  #16 rb_vm_invoke_proc (ec=0x5623bf96ae28, proc=proc@entry=0x5623be073020, argc=argc@entry=0, argv=argv@entry=0x7fa9b609ebd0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/src/trunk-asserts/vm.c:1243
  #17 0x00007fa9b5c9e201 in thread_do_start (th=th@entry=0x5623bd7e4b40) at /tmp/ruby/src/trunk-asserts/thread.c:686
  #18 0x00007fa9b5ca066e in thread_start_func_2 (th=th@entry=0x5623bd7e4b40, stack_start=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:725
  #19 0x00007fa9b5ca0c1b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1030
  #20 0x00007fa9b52506db in start_thread (arg=0x7fa9b609f700) at pthread_create.c:463
  #21 0x00007fa9b57a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 3 (Thread 0x7fa9b16bb700 (LWP 16370)):
  #0  0x00007fa9b52569f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5623bdbfbd80) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
  #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5623bbaeea60, cond=0x5623bdbfbd58) at pthread_cond_wait.c:502
  #2  __pthread_cond_wait (cond=0x5623bdbfbd58, mutex=0x5623bbaeea60) at pthread_cond_wait.c:655
  #3  0x00007fa9b5c9ea8b in rb_native_cond_wait (mutex=0x5623bbaeea60, cond=0x5623bdbfbd58) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:509
  #4  gvl_acquire_common (vm=vm@entry=0x5623bbaeea50, th=th@entry=0x5623bdbfbcf0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:256
  #5  0x00007fa9b5ca2a35 in gvl_acquire (th=0x5623bdbfbcf0, vm=0x5623bbaeea50) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:282
  #6  blocking_region_end (region=0x7fa9b16ba6b4, th=0x5623bdbfbcf0) at /tmp/ruby/src/trunk-asserts/thread.c:1415
  #7  rb_nogvl (func=func@entry=0x7fa9b5b6d500 <nogvl_close>, data1=data1@entry=0x7fa9b16ba710, ubf=<optimized out>, ubf@entry=0xffffffffffffffff, data2=<optimized out>, data2@entry=0x0, flags=flags@entry=0) at /tmp/ruby/src/trunk-asserts/thread.c:1448
  #8  0x00007fa9b5ca2b78 in rb_thread_call_without_gvl (func=func@entry=0x7fa9b5b6d500 <nogvl_close>, data1=data1@entry=0x7fa9b16ba710, ubf=ubf@entry=0xffffffffffffffff, data2=data2@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread.c:1564
  #9  0x00007fa9b5b78b2e in maygvl_close (keepgvl=0, fd=<optimized out>) at /tmp/ruby/src/trunk-asserts/io.c:4562
  #10 fptr_finalize_flush (fptr=fptr@entry=0x7fa9a804e110, noraise=noraise@entry=0, busy=busy@entry=0x0, keepgvl=0) at /tmp/ruby/src/trunk-asserts/io.c:4644
  #11 0x00007fa9b5b78e8c in fptr_finalize (noraise=0, fptr=0x7fa9a804e110) at /tmp/ruby/src/trunk-asserts/io.c:4659
  #12 rb_io_fptr_cleanup (noraise=0, fptr=0x7fa9a804e110) at /tmp/ruby/src/trunk-asserts/io.c:4672
  #13 io_close_fptr (io=140366802823040) at /tmp/ruby/src/trunk-asserts/io.c:4787
  #14 rb_io_close (io=io@entry=94711505077520) at /tmp/ruby/src/trunk-asserts/io.c:4805
  #15 0x00007fa9b5b792e4 in rb_io_close_m (io=94711505077520) at /tmp/ruby/src/trunk-asserts/io.c:4833
  #16 0x00007fa9b5cd724e in vm_call_cfunc_with_frame (ci=0x5623c013bbc0, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7fa9b1abeef8, ec=0x5623bdcf9548) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #17 vm_call_cfunc (ec=0x5623bdcf9548, reg_cfp=0x7fa9b1abeef8, calling=<optimized out>, ci=0x5623c013bbc0, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #18 0x00007fa9b5ce1182 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x5623be5666c0, ci=0x5623c013bbc0, reg_cfp=0x7fa9b1abeef8, ec=0x5623bdcf9548) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #19 vm_exec_core (ec=ec@entry=0x5623bdcf9548, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #20 0x00007fa9b5ce82a1 in rb_vm_exec (ec=ec@entry=0x5623bdcf9548, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #21 0x00007fa9b5ce8ead in invoke_block (ec=ec@entry=0x5623bdcf9548, iseq=iseq@entry=0x5623bc4f5bb0, self=self@entry=94711504886880, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #22 0x00007fa9b5cec011 in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7fa9b16babd0, argc=<optimized out>, self=94711504886880, captured=0x5623bdd8ac00, ec=0x5623bdcf9548) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #23 invoke_block_from_c_proc (me=0x0, is_lambda=0, passed_block_handler=0, argv=0x7fa9b16babd0, argc=<optimized out>, self=94711504886880, proc=0x22220001, ec=0x5623bdcf9548) at /tmp/ruby/src/trunk-asserts/vm.c:1204
  #24 vm_invoke_proc (passed_block_handler=0, argv=0x7fa9b16babd0, argc=<optimized out>, self=94711504886880, proc=0x22220001, ec=0x5623bdcf9548) at /tmp/ruby/src/trunk-asserts/vm.c:1222
  #25 rb_vm_invoke_proc (ec=0x5623bdcf9548, proc=proc@entry=0x5623bdd8ac00, argc=argc@entry=0, argv=argv@entry=0x7fa9b16babd0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/src/trunk-asserts/vm.c:1243
  #26 0x00007fa9b5c9e201 in thread_do_start (th=th@entry=0x5623bdbfbcf0) at /tmp/ruby/src/trunk-asserts/thread.c:686
  #27 0x00007fa9b5ca066e in thread_start_func_2 (th=th@entry=0x5623bdbfbcf0, stack_start=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:725
  #28 0x00007fa9b5ca0c1b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1030
  #29 0x00007fa9b52506db in start_thread (arg=0x7fa9b16bb700) at pthread_create.c:463
  #30 0x00007fa9b57a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 2 (Thread 0x7fa9b60c0700 (LWP 15092)):
  #0  0x00007fa9b5256ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fa9b60bf3c0, expected=0, futex_word=0x5623c028be84) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
  #1  __pthread_cond_wait_common (abstime=0x7fa9b60bf480, mutex=0x5623bbaeea60, cond=0x5623c028be58) at pthread_cond_wait.c:533
  #2  __pthread_cond_timedwait (cond=0x5623c028be58, mutex=0x5623bbaeea60, abstime=0x7fa9b60bf480) at pthread_cond_wait.c:667
  #3  0x00007fa9b5c9eb03 in native_cond_timedwait (abs=<optimized out>, mutex=<optimized out>, cond=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:529
  #4  do_gvl_timer (th=0x5623c028bdf0, vm=0x5623bbaeea50) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:219
  #5  gvl_acquire_common (vm=vm@entry=0x5623bbaeea50, th=th@entry=0x5623c028bdf0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:253
  #6  0x00007fa9b5ca2378 in gvl_acquire (th=0x5623c028bdf0, vm=0x5623bbaeea50) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:282
  #7  blocking_region_end (region=0x7fa9b60bf52c, th=0x5623c028bdf0) at /tmp/ruby/src/trunk-asserts/thread.c:1415
  #8  rb_thread_io_blocking_region (func=func@entry=0x7fa9b5b6cf90 <internal_write_func>, data1=data1@entry=0x7fa9b60bf6b0, fd=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:1582
  #9  0x00007fa9b5b77f45 in rb_write_internal (count=155, buf=0x7fa9ac0141d0, fd=<optimized out>) at /tmp/ruby/src/trunk-asserts/io.c:1058
  #10 io_binwrite_string (arg=140366880437968) at /tmp/ruby/src/trunk-asserts/io.c:1332
  #11 io_binwrite (str=str@entry=94711505077160, ptr=ptr@entry=0x7fa9ac0141d0 "p TGVha2VkIGZpbGUgZGVzY3JpcHRvcjogRFJiVGVzdHM6OlRlc3REUmJTU0xDb3JlI3Rlc3RfMDZfdGltZW91dDogOSA6ICM8VENQU2VydmVyOmZkIDksIEFGX0lORVQsIDAuMC4wLjAsIDM3NTA1Pgo=\n", len=len@entry=155, fptr=fptr@entry=0x5623bc063810, nosync=nosync@entry=0) at /tmp/ruby/src/trunk-asserts/io.c:1400
  #12 0x00007fa9b5b7824d in io_binwrite (nosync=0, fptr=0x5623bc063810, len=155, ptr=0x7fa9ac0141d0 "p TGVha2VkIGZpbGUgZGVzY3JpcHRvcjogRFJiVGVzdHM6OlRlc3REUmJTU0xDb3JlI3Rlc3RfMDZfdGltZW91dDogOSA6ICM8VENQU2VydmVyOmZkIDksIEFGX0lORVQsIDAuMC4wLjAsIDM3NTA1Pgo=\n", str=94711505077160) at /tmp/ruby/src/trunk-asserts/io.c:1378
  #13 io_fwrite (str=<optimized out>, fptr=0x5623bc063810, nosync=0) at /tmp/ruby/src/trunk-asserts/io.c:1512
  #14 0x00007fa9b5b7a229 in io_write (nosync=0, str=94711505077160, io=<optimized out>) at /tmp/ruby/src/trunk-asserts/io.c:1548
  #15 io_write_m (argc=<optimized out>, argv=<optimized out>, io=<optimized out>) at /tmp/ruby/src/trunk-asserts/io.c:1769
  #16 0x00007fa9b5cd724e in vm_call_cfunc_with_frame (ci=0x5623bbc4add0, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7fa9b1dc6f68, ec=0x5623bf45a7e8) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #17 vm_call_cfunc (ec=0x5623bf45a7e8, reg_cfp=0x7fa9b1dc6f68, calling=<optimized out>, ci=0x5623bbc4add0, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #18 0x00007fa9b5ce1182 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x5623bbc519e8, ci=0x5623bbc4add0, reg_cfp=0x7fa9b1dc6f68, ec=0x5623bf45a7e8) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #19 vm_exec_core (ec=ec@entry=0x5623bf45a7e8, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #20 0x00007fa9b5ce82a1 in rb_vm_exec (ec=ec@entry=0x5623bf45a7e8, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #21 0x00007fa9b5ce8ead in invoke_block (ec=ec@entry=0x5623bf45a7e8, iseq=iseq@entry=0x5623bbafea30, self=self@entry=94711478522520, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #22 0x00007fa9b5cec011 in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7fa9b60bfbd0, argc=<optimized out>, self=94711478522520, captured=0x5623bdbd7f30, ec=0x5623bf45a7e8) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #23 invoke_block_from_c_proc (me=0x0, is_lambda=0, passed_block_handler=0, argv=0x7fa9b60bfbd0, argc=<optimized out>, self=94711478522520, proc=0x22220001, ec=0x5623bf45a7e8) at /tmp/ruby/src/trunk-asserts/vm.c:1204
  #24 vm_invoke_proc (passed_block_handler=0, argv=0x7fa9b60bfbd0, argc=<optimized out>, self=94711478522520, proc=0x22220001, ec=0x5623bf45a7e8) at /tmp/ruby/src/trunk-asserts/vm.c:1222
  #25 rb_vm_invoke_proc (ec=0x5623bf45a7e8, proc=proc@entry=0x5623bdbd7f30, argc=argc@entry=0, argv=argv@entry=0x7fa9b60bfbd0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/src/trunk-asserts/vm.c:1243
  #26 0x00007fa9b5c9e201 in thread_do_start (th=th@entry=0x5623c028bdf0) at /tmp/ruby/src/trunk-asserts/thread.c:686
  #27 0x00007fa9b5ca066e in thread_start_func_2 (th=th@entry=0x5623c028bdf0, stack_start=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:725
  #28 0x00007fa9b5ca0c1b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1030
  #29 0x00007fa9b52506db in start_thread (arg=0x7fa9b60c0700) at pthread_create.c:463
  #30 0x00007fa9b57a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7fa9b6223d80 (LWP 11292)):
  #0  0x00007fa9b5b4dfa9 in is_pointer_to_heap (objspace=0x5623bbaef1b0, ptr=0x5623bd23b0e0) at /tmp/ruby/src/trunk-asserts/gc.c:2128
  #1  0x00007fa9b5b5509f in check_rvalue_consistency (obj=obj@entry=94711497076960) at /tmp/ruby/src/trunk-asserts/gc.c:1066
  #2  0x00007fa9b5b55ebe in RVALUE_OLD_P (obj=94711497076960) at /tmp/ruby/src/trunk-asserts/gc.c:1162
  #3  check_generation_i (child=94711497076960, ptr=0x7fff5450f150) at /tmp/ruby/src/trunk-asserts/gc.c:5283
  #4  0x00007fa9b5b56a88 in gc_mark (obj=<optimized out>, objspace=0x5623bbaef1b0) at /tmp/ruby/src/trunk-asserts/gc.c:3156
  #5  mark_const_entry_i (value=94711502584096, data=0x5623bbaef1b0) at /tmp/ruby/src/trunk-asserts/gc.c:4346
  #6  0x00007fa9b5c98b65 in rb_id_table_foreach_values (tbl=0x5623bd1fd290, func=func@entry=0x7fa9b5b56a60 <mark_const_entry_i>, data=data@entry=0x5623bbaef1b0) at /tmp/ruby/src/trunk-asserts/id_table.c:295
  #7  0x00007fa9b5b57135 in mark_const_tbl (tbl=<optimized out>, objspace=0x5623bbaef1b0) at /tmp/ruby/src/trunk-asserts/gc.c:4354
  #8  gc_mark_children (objspace=objspace@entry=0x5623bbaef1b0, obj=obj@entry=94711497366360) at /tmp/ruby/src/trunk-asserts/gc.c:4717
  #9  0x00007fa9b5b5757d in rb_objspace_reachable_objects_from (obj=obj@entry=94711497366360, func=func@entry=0x7fa9b5b55e90 <check_generation_i>, data=data@entry=0x7fff5450f150) at /tmp/ruby/src/trunk-asserts/gc.c:7786
  #10 0x00007fa9b5b57776 in verify_internal_consistency_i (page_start=<optimized out>, page_end=0x5623bd283fc0, stride=40, ptr=0x7fff5450f150) at /tmp/ruby/src/trunk-asserts/gc.c:5337
  #11 0x00007fa9b5b4e190 in objspace_each_objects (arg=arg@entry=140734607978816) at /tmp/ruby/src/trunk-asserts/gc.c:2524
  #12 0x00007fa9b5b58596 in gc_verify_internal_consistency (dummy=dummy@entry=8) at /tmp/ruby/src/trunk-asserts/gc.c:5466
  #13 0x00007fa9b5b5944d in gc_start (objspace=0x5623bbaef1b0, reason=107520) at /tmp/ruby/src/trunk-asserts/gc.c:6573
  #14 0x00007fa9b5b5c9e5 in gc_start_internal (argc=<optimized out>, argv=<optimized out>, self=<optimized out>) at /tmp/ruby/src/trunk-asserts/gc.c:6893
  #15 0x00007fa9b5cd724e in vm_call_cfunc_with_frame (ci=0x5623bbcea380, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7fa9b6221d70, ec=0x5623bbaef438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #16 vm_call_cfunc (ec=0x5623bbaef438, reg_cfp=0x7fa9b6221d70, calling=<optimized out>, ci=0x5623bbcea380, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #17 0x00007fa9b5ceb6fa in vm_call_method (ec=0x5623bbaef438, cfp=0x7fa9b6221d70, calling=<optimized out>, ci=<optimized out>, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2495
  #18 0x00007fa9b5ce1182 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x5623bbcea4e0, ci=0x5623bbcea380, reg_cfp=0x7fa9b6221d70, ec=0x5623bbaef438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #19 vm_exec_core (ec=ec@entry=0x5623bbaef438, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #20 0x00007fa9b5ce82a1 in rb_vm_exec (ec=ec@entry=0x5623bbaef438, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #21 0x00007fa9b5ce8ead in invoke_block (ec=ec@entry=0x5623bbaef438, iseq=iseq@entry=0x5623bbb07900, self=self@entry=94711478522520, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #22 0x00007fa9b5ce9e9d in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7fff5450f6a0, argc=1, self=94711478522520, captured=<optimized out>, ec=0x5623bbaef438) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #23 invoke_block_from_c_bh (ec=ec@entry=0x5623bbaef438, block_handler=<optimized out>, block_handler@entry=140366881889841, argv=argv@entry=0x7fff5450f720, force_blockarg=force_blockarg@entry=0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, argc=1) at /tmp/ruby/src/trunk-asserts/vm.c:1122
  #24 0x00007fa9b5cea042 in vm_yield (argc=1, argv=0x7fff5450f720, ec=0x5623bbaef438) at /tmp/ruby/src/trunk-asserts/vm.c:1167
  #25 rb_yield_0 (argv=0x7fff5450f720, argc=1) at /tmp/ruby/src/trunk-asserts/vm_eval.c:979
  #26 rb_yield_1 (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:985
  #27 rb_yield (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:995
  #28 0x00007fa9b5ab0dfc in rb_ary_collect (ary=94711500677960) at /tmp/ruby/src/trunk-asserts/array.c:3017
  #29 0x00007fa9b5cd724e in vm_call_cfunc_with_frame (ci=0x5623bbc38550, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7fa9b6221e18, ec=0x5623bbaef438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #30 vm_call_cfunc (ec=0x5623bbaef438, reg_cfp=0x7fa9b6221e18, calling=<optimized out>, ci=0x5623bbc38550, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #31 0x00007fa9b5ce122f in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cc=0x5623bbd4f570, ci=0x5623bbc38550, reg_cfp=0x7fa9b6221e18, ec=0x5623bbaef438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #32 vm_exec_core (ec=ec@entry=0x5623bbaef438, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:764
  #33 0x00007fa9b5ce82a1 in rb_vm_exec (ec=ec@entry=0x5623bbaef438, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #34 0x00007fa9b5ce8ead in invoke_block (ec=ec@entry=0x5623bbaef438, iseq=iseq@entry=0x5623bbafecb0, self=self@entry=94711478522520, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #35 0x00007fa9b5ce9e9d in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7fff5450fb30, argc=1, self=94711478522520, captured=<optimized out>, ec=0x5623bbaef438) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #36 invoke_block_from_c_bh (ec=ec@entry=0x5623bbaef438, block_handler=<optimized out>, block_handler@entry=140366881890121, argv=argv@entry=0x7fff5450fbb0, force_blockarg=force_blockarg@entry=0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, argc=1) at /tmp/ruby/src/trunk-asserts/vm.c:1122
  #37 0x00007fa9b5cea042 in vm_yield (argc=1, argv=0x7fff5450fbb0, ec=0x5623bbaef438) at /tmp/ruby/src/trunk-asserts/vm.c:1167
  #38 rb_yield_0 (argv=0x7fff5450fbb0, argc=1) at /tmp/ruby/src/trunk-asserts/vm_eval.c:979
  #39 rb_yield_1 (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:985
  #40 rb_yield (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:995
  #41 0x00007fa9b5ab0dfc in rb_ary_collect (ary=94711498400880) at /tmp/ruby/src/trunk-asserts/array.c:3017
  #42 0x00007fa9b5cd724e in vm_call_cfunc_with_frame (ci=0x5623bbbdd630, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7fa9b6221f30, ec=0x5623bbaef438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #43 vm_call_cfunc (ec=0x5623bbaef438, reg_cfp=0x7fa9b6221f30, calling=<optimized out>, ci=0x5623bbbdd630, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #44 0x00007fa9b5ceb6fa in vm_call_method (ec=0x5623bbaef438, cfp=0x7fa9b6221f30, calling=<optimized out>, ci=<optimized out>, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2495
  #45 0x00007fa9b5ce122f in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cc=0x5623bbc48ae0, ci=0x5623bbbdd630, reg_cfp=0x7fa9b6221f30, ec=0x5623bbaef438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #46 vm_exec_core (ec=ec@entry=0x5623bbaef438, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:764
  #47 0x00007fa9b5ce82a1 in rb_vm_exec (ec=<optimized out>, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #48 0x00007fa9b5cecb80 in rb_iseq_eval_main (iseq=iseq@entry=0x5623bbaff2f0) at /tmp/ruby/src/trunk-asserts/vm.c:2156
  #49 0x00007fa9b5b3a3d6 in ruby_exec_internal (n=0x5623bbaff2f0) at /tmp/ruby/src/trunk-asserts/eval.c:261
  #50 0x00007fa9b5b3cb1d in ruby_exec_node (n=<optimized out>, n@entry=0x5623bbaff2f0) at /tmp/ruby/src/trunk-asserts/eval.c:325
  #51 0x00007fa9b5b40ace in ruby_run_node (n=0x5623bbaff2f0) at /tmp/ruby/src/trunk-asserts/eval.c:317
  #52 0x00005623b9b37a1f in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/src/trunk-asserts/main.c:42
  >>> Dump Ruby level backtrace
  th: 0x5623bbaeefa0, native_id: 0x7fa9b6223d80
  -- Control frame information -----------------------------------------------
  c:0013 p:---- s:0086 e:000085 CFUNC  :start
  c:0012 p:0063 s:0082 e:000081 METHOD /tmp/ruby/src/trunk-asserts/test/lib/leakchecker.rb:22
  c:0011 p:0215 s:0076 e:000075 BLOCK  /tmp/ruby/src/trunk-asserts/test/lib/minitest/unit.rb:960 [FINISH]
  c:0010 p:---- s:0069 e:000068 CFUNC  :map
  c:0009 p:0134 s:0065 e:000064 METHOD /tmp/ruby/src/trunk-asserts/test/lib/minitest/unit.rb:945
  c:0008 p:0045 s:0053 e:000052 METHOD /tmp/ruby/src/trunk-asserts/test/lib/test/unit.rb:1045
  c:0007 p:0096 s:0046 E:0019e0 METHOD /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:50
  c:0006 p:0009 s:0030 e:000029 BLOCK  /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:25 [FINISH]
  c:0005 p:---- s:0026 e:000025 CFUNC  :map
  c:0004 p:0006 s:0022 e:000021 METHOD /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:24
  c:0003 p:0263 s:0016 e:000015 METHOD /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:122
  c:0002 p:0128 s:0006 e:000005 EVAL   /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:207 [FINISH]
  c:0001 p:0000 s:0003 E:002370 (none) [FINISH]
  
  th: 0x5623c028bdf0, native_id: 0x7fa9b60c0700
  -- Control frame information -----------------------------------------------
  c:0004 p:---- s:0018 e:000017 CFUNC  :write
  c:0003 p:0070 s:0013 e:000012 METHOD /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:155
  c:0002 p:0015 s:0007 e:000006 BLOCK  /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:40 [FINISH]
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
  
  th: 0x5623bd7e4b40, native_id: 0x7fa9b609f700
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0011 e:000010 CFUNC  :pop
  c:0002 p:0027 s:0007 e:000006 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/extservm.rb:64 [FINISH]
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
  
  th: 0x5623bdbfbcf0, native_id: 0x7fa9b16bb700
  -- Control frame information -----------------------------------------------
  c:0006 p:---- s:0025 e:000024 CFUNC  :close
  c:0005 p:0018 s:0021 e:000020 RESCUE /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:334
  c:0004 p:0061 s:0017 e:000016 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:331
  c:0003 p:0006 s:0011 e:000010 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1665
  c:0002 p:0009 s:0006 e:000005 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1505 [FINISH]
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
  
  $1 = 0
  ">>> Finish
  "
  [nil, 11292]
  "gdb -p 11290 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  running file: /tmp/ruby/src/trunk-asserts/test/drb/test_drbssl.rb
  
  Some worker was crashed. It seems ruby interpreter's bug
  or, a bug of test/unit/parallel.rb. try again without -j
  option.
  
  make: *** [yes-test-all] Error 1
  ptrace: No such process.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:9: Error in sourced command file:
  No symbol table is loaded.  Use the "file" command.
  [nil, 11290]
  #<Errno::ESRCH: No such process>
  "gdb -p 11275 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  ptrace: No such process.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:9: Error in sourced command file:
  No symbol table is loaded.  Use the "file" command.
  [nil, 11275]
  #<Errno::ESRCH: No such process>
  "gdb -p 11273 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  Could not attach to process.  If your uid matches the uid of the target
  process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
  again as the root user.  For more details, see /etc/sysctl.d/10-ptrace.conf
  warning: process 11273 is a zombie - the process has already terminated
  ptrace: Operation not permitted.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:9: Error in sourced command file:
  No symbol table is loaded.  Use the "file" command.
  [nil, 11273]
  "gdb -p 18113 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  ptrace: No such process.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:9: Error in sourced command file:
  No symbol table is loaded.  Use the "file" command.
  [nil, 18113]
  #<Errno::ESRCH: No such process>
    0.012000   0.008000 7959.652000 (10805.118652)
  /home/ko1/ruby/build-ruby/build-ruby.rb:146:in `each_line': execution expired (Timeout::Error)
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:146:in `block (2 levels) in cmd'
  	from /usr/lib/ruby/2.5.0/timeout.rb:108:in `timeout'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:145:in `block in cmd'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:142:in `popen'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:142:in `cmd'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:282:in `block in test_all'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:210:in `block in builddir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:209:in `chdir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:209:in `builddir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:281:in `test_all'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:337:in `block (4 levels) in run'
  	from /usr/lib/ruby/2.5.0/benchmark.rb:293:in `measure'
  	from /usr/lib/ruby/2.5.0/benchmark.rb:375:in `item'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:335:in `block (3 levels) in run'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:334:in `each'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:334:in `block (2 levels) in run'
  	from /usr/lib/ruby/2.5.0/benchmark.rb:173:in `benchmark'
  	from /usr/lib/ruby/2.5.0/benchmark.rb:205:in `bm'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:333:in `block in run'
  	from /usr/lib/ruby/2.5.0/benchmark.rb:293:in `measure'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:332:in `run'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:495:in `<main>'
  total: 11015.70 sec