Result of trunk-gc-asserts@silicon-docker at 2020-02-18 19:04:39 +0900

• NG (041c2932e3) [LOG]

• Linux silicon-docker 4.9.0-9-amd64 #1 SMP Debian 4.9.168-1+deb9u5 (2019-08-11) x86_64 x86_64 x86_64 GNU/Linux
  

• rev: 041c2932e3
  test-all : 
  test-spec: 
  exit statuses:
    "rm -f .revision.time" exit with 0.
    "make update-unicode  DEFS=\"-DRGENGC_CHECK_MODE=2\"" exit with 0.
    "make update-download DEFS=\"-DRGENGC_CHECK_MODE=2\"" exit with 0.
    "make update-rubyspec DEFS=\"-DRGENGC_CHECK_MODE=2\"" exit with 0.
    "make update-src      DEFS=\"-DRGENGC_CHECK_MODE=2\"" exit with 0.
    "make after-update    DEFS=\"-DRGENGC_CHECK_MODE=2\"" exit with 0.
    "make miniruby DEFS=\"-DRGENGC_CHECK_MODE=2\"" exit with 0.
    "make ruby DEFS=\"-DRGENGC_CHECK_MODE=2\"" exit with 0.
    "make all DEFS=\"-DRGENGC_CHECK_MODE=2\"" exit with 0.
    "make install DEFS=\"-DRGENGC_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-gc-asserts.20200218-065915
  #<BuildRuby:0x000056320d36e9e0
   @BUILD_DIR="/tmp/ruby/v2/build",
   @INSTALL_DIR="/tmp/ruby/v2/install",
   @REPOSITORY="https://github.com/ruby/ruby.git",
   @REPOSITORY_TYPE=:git,
   @SRC_DIR="/tmp/ruby/v2/src",
   @TARGET_BUILD_DIR="/tmp/ruby/v2/build/trunk-gc-asserts",
   @TARGET_INSTALL_DIR="/tmp/ruby/v2/install/trunk-gc-asserts",
   @TARGET_NAME="trunk-gc-asserts",
   @TARGET_SRC_DIR="/tmp/ruby/v2/src/trunk-gc-asserts",
   @build_opts="DEFS=\"-DRGENGC_CHECK_MODE=2\"",
   @configure_opts=["--enable-shared"],
   @gist=false,
   @git_branch=nil,
   @incremental=true,
   @logfile="/home/ko1/ruby/logs/brlog.trunk-gc-asserts.20200218-065915",
   @quiet=false,
   @ruby_env=
    [["RUBY_DEBUG", "ci"], ["RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE", "30"]],
   @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 (  0.000032)
  autoconf               0.000000   0.000000   0.000000 (  0.000062)
  configure              0.000000   0.000000   0.000000 (  0.000068)
  build_up               0.008000   0.008000   6.568000 (  8.369292)
  build_miniruby         0.004000   0.000000   0.080000 (  0.096487)
  build_ruby             0.004000   0.000000   0.100000 (  0.114992)
  build_all              0.008000   0.008000   7.060000 (  7.517938)
  build_install          0.032000   0.000000  12.560000 ( 13.097483)
  test_btest           test_attr.rb             ..
  test_autoload.rb         ........
  test_block.rb            ..........................................................
  test_class.rb            ................................................
  test_env.rb              ..
  test_eval.rb             .....................................
  test_exception.rb        ..................................
  test_fiber.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           ................................................
  Fiber count: 10000 (skipping)
  Thread count: 10000 (skipping)
  PASS all 1407 tests
    0.000000   0.000000 271.152000 (279.748526)
  test_basic             0.012000   0.004000   3.912000 (  4.034236)
  test_all             generate_index tests are being skipped.  Install builder gem.
  Gem::Indexer tests are being skipped.  Install builder gem.
  $$$ #<Timeout::Error: execution expired>
   PPID   PID  PGID   SID TTY      TPGID STAT   UID   TIME COMMAND
     11    12    12    12 ?           -1 Ss    1001   0:00 sh build-loop.sh trunk-gc-asserts --incremental --process-num=6
     12  2369    12    12 ?           -1 Sl    1001   0:00 ruby ./br.rb build_report trunk-gc-asserts --incremental --process-num=6
   2369  2371    12    12 ?           -1 S     1001   0:00 sh -c ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-gc-asserts --logfile=/home/ko1/ruby/logs/brlog.trunk-gc-asserts.20200218-065915 --root_dir=/tmp/ruby --timeout=10800 --build_opts='DEFS="-DRGENGC_CHECK_MODE=2"'                              --add-env=RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE=30 --incremental --process-num=6
   2371  2372    12    12 ?           -1 Sl    1001   0:00 ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-gc-asserts --logfile=/home/ko1/ruby/logs/brlog.trunk-gc-asserts.20200218-065915 --root_dir=/tmp/ruby --timeout=10800 --build_opts=DEFS="-DRGENGC_CHECK_MODE=2" --add-env=RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE=30 --incremental --process-num=6
   2372 16377    12    12 ?           -1 S     1001   0:00 sh -c make yes-test-all TESTS='-j6'
  16377 16379    12    12 ?           -1 S     1001   0:00 make yes-test-all TESTS=-j6
  16379 16385    12    12 ?           -1 S     1001   0:22 /tmp/ruby/v2/build/trunk-gc-asserts/ruby --disable-gems /tmp/ruby/v2/src/trunk-gc-asserts/test/runner.rb --ruby=./miniruby -I/tmp/ruby/v2/src/trunk-gc-asserts/lib -I. -I.ext/common  /tmp/ruby/v2/src/trunk-gc-asserts/tool/runruby.rb --extout=.ext  -- --disable-gems --excludes-dir=/tmp/ruby/v2/src/trunk-gc-asserts/test/excludes --name=!/memory_leak/ -j6
  16385 16386    12    12 ?           -1 Sl    1001   0:37 /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/test/unit/parallel.rb
  16386 16783    12    12 ?           -1 Sl    1001   0:01 /tmp/ruby/v2/build/trunk-gc-asserts/ruby /tmp/ruby/v2/src/trunk-gc-asserts/test/drb/ut_drb_drbssl.rb drbssl://172.17.0.18:33069 ut_drb_drbssl.rb
   2372 23830    12    12 ?           -1 R     1001   0:00 ps jx
  {11=>[12], 12=>[2369], 2369=>[2371], 2371=>[2372], 2372=>[16377, 23830], 16377=>[16379], 16379=>[16385], 16385=>[16386], 16386=>[16783]}
  "gdb -p 16783 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  [New LWP 16793]
  [New LWP 16794]
  [New LWP 16795]
  [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.
  0x00007f20ed6cecf6 in __GI_ppoll (fds=fds@entry=0x7ffd3cab4968, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  >>> Machine level backtrace
  
  Thread 4 (Thread 0x7f20e7c73700 (LWP 16795)):
  #0  0x00007f20ed6cecf6 in __GI_ppoll (fds=fds@entry=0x7f20e7b716e0, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  #1  0x00007f20edbfb23e in rb_wait_for_single_fd (fd=fd@entry=16, events=events@entry=1, timeout=timeout@entry=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:4183
  #2  0x00007f20edbfba24 in rb_thread_wait_fd_rw (read=1, fd=fd@entry=16) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:4047
  #3  rb_thread_wait_fd (fd=fd@entry=16) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:4058
  #4  0x00007f20edab708f in rb_io_wait_readable (f=16) at /tmp/ruby/v2/src/trunk-gc-asserts/io.c:1250
  #5  0x00007f20e8e6f6b9 in ossl_start_ssl (opts=0, funcname=0x7f20e8e7fb74 "SSL_connect", func=<optimized out>, self=94922772734640) at /tmp/ruby/v2/src/trunk-gc-asserts/ext/openssl/ossl_ssl.c:1695
  #6  ossl_ssl_connect (self=94922772734640) at /tmp/ruby/v2/src/trunk-gc-asserts/ext/openssl/ossl_ssl.c:1737
  #7  0x00007f20edc2b368 in vm_call_cfunc_with_frame (cd=0x5654ee1c2430, calling=<optimized out>, reg_cfp=0x7f20e7c72878, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #8  vm_call_cfunc (ec=0x7f20e001a330, reg_cfp=0x7f20e7c72878, calling=<optimized out>, cd=0x5654ee1c2430) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #9  0x00007f20edc35816 in vm_sendish (block_handler=<optimized out>, method_explorer=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #10 vm_exec_core (ec=0x7f20e7b716e0, ec@entry=0x7f20e001a330, initial=1, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:801
  #11 0x00007f20edc3bbcb in rb_vm_exec (ec=0x7f20e001a330, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #12 0x00007f20edc3c6e1 in invoke_block (ec=ec@entry=0x7f20e001a330, iseq=iseq@entry=0x5654ee03dd30, self=self@entry=94922771109600, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #13 0x00007f20edc3c8be in invoke_iseq_block_from_c (me=<optimized out>, is_lambda=<optimized out>, cref=<optimized out>, passed_block_handler=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, argc=<optimized out>, self=<optimized out>, captured=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #14 invoke_block_from_c_bh (argc=<optimized out>, kw_splat=<optimized out>, passed_block_handler=<optimized out>, cref=<optimized out>, is_lambda=<optimized out>, force_blockarg=<optimized out>, argv=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1139
  #15 vm_yield (argc=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1184
  #16 rb_yield_0 (argv=<optimized out>, argc=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1168
  #17 rb_yield_1 (val=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1174
  #18 rb_yield (val=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1184
  #19 0x00007f20ed9e1cfc in rb_ary_each (ary=94922771105240) at /tmp/ruby/v2/src/trunk-gc-asserts/array.c:2147
  #20 0x00007f20edc2b368 in vm_call_cfunc_with_frame (cd=0x5654ee042a50, calling=<optimized out>, reg_cfp=0x7f20e7c72958, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #21 vm_call_cfunc (ec=0x7f20e001a330, reg_cfp=0x7f20e7c72958, calling=<optimized out>, cd=0x5654ee042a50) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #22 0x00007f20edc358cd in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #23 vm_exec_core (ec=0x7f20e7b716e0, ec@entry=0x7f20e001a330, initial=1, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:782
  #24 0x00007f20edc3bbcb in rb_vm_exec (ec=ec@entry=0x7f20e001a330, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #25 0x00007f20edc3fab7 in vm_call0_body (ec=0x7f20e001a330, calling=calling@entry=0x7f20e7b71eb0, cd=cd@entry=0x7f20e7b71f10, argv=0x7f20e7b72f60) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:135
  #26 0x00007f20edc4023f in rb_vm_call0 (ec=<optimized out>, recv=<optimized out>, id=<optimized out>, argc=<optimized out>, argv=<optimized out>, me=0x5654ee18fc60, kw_splat=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:52
  #27 0x00007f20edc40b16 in rb_call (scope=CALL_FCALL_KW, argv=0x1, argc=3089, mid=3089, recv=94922772735360) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:680
  #28 rb_funcallv_kw (recv=recv@entry=94922772735360, mid=mid@entry=3089, argc=argc@entry=1, argv=argv@entry=0x7f20e7b72f60, kw_splat=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:926
  #29 0x00007f20eda80fc8 in rb_obj_call_init_kw (obj=obj@entry=94922772735360, argc=argc@entry=1, argv=argv@entry=0x7f20e7b72f60, kw_splat=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1694
  #30 0x00007f20edb255b4 in rb_class_s_new (argc=1, argv=0x7f20e7b72f60, klass=94922771856800) at /tmp/ruby/v2/src/trunk-gc-asserts/object.c:2201
  #31 0x00007f20edc2b368 in vm_call_cfunc_with_frame (cd=0x5654ee16ace0, calling=<optimized out>, reg_cfp=0x7f20e7c72a00, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #32 vm_call_cfunc (ec=0x7f20e001a330, reg_cfp=0x7f20e7c72a00, calling=<optimized out>, cd=0x5654ee16ace0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #33 0x00007f20edc35816 in vm_sendish (block_handler=<optimized out>, method_explorer=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #34 vm_exec_core (ec=0x7f20e7b716e0, initial=1, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:801
  #35 0x00007f20edc3c26f in rb_vm_exec (ec=0x7f20e001a330, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1934
  #36 0x00007f20edc3c6e1 in invoke_block (ec=ec@entry=0x7f20e001a330, iseq=iseq@entry=0x5654ee18c038, self=self@entry=94922769462800, cref=cref@entry=0x0, type=<optimized out>, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #37 0x00007f20edc3ecfe in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argv=<optimized out>, argc=0, self=94922769462800, captured=<optimized out>, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #38 invoke_block_from_c_bh (passed_block_handler=<optimized out>, force_blockarg=<optimized out>, is_lambda=<optimized out>, cref=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, argc=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1139
  #39 vm_yield (kw_splat=0, argv=<optimized out>, argc=0, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1184
  #40 rb_yield_0 (argv=<optimized out>, argc=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1168
  #41 rb_yield_values2 (argc=0, argv=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1214
  #42 0x00007f20eda7db44 in rb_ensure (b_proc=0x7f20e96c8f00 <monitor_sync_body>, data1=94922769462360, e_proc=<optimized out>, data2=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #43 0x00007f20edc2b368 in vm_call_cfunc_with_frame (cd=0x5654edfde5d0, calling=<optimized out>, reg_cfp=0x7f20e7c72b50, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #44 vm_call_cfunc (ec=0x7f20e001a330, reg_cfp=0x7f20e7c72b50, calling=<optimized out>, cd=0x5654edfde5d0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #45 0x00007f20edc358cd in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #46 vm_exec_core (ec=0x7f20e7b716e0, ec@entry=0x7f20e001a330, initial=1, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:782
  #47 0x00007f20edc3bbcb in rb_vm_exec (ec=ec@entry=0x7f20e001a330, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #48 0x00007f20edc4756f in invoke_block (captured=<optimized out>, opt_pc=<optimized out>, type=<optimized out>, cref=0x0, self=94922769497440, iseq=<optimized out>, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #49 invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argv=0x0, argc=0, self=94922769497440, captured=<optimized out>, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #50 invoke_block_from_c_bh (argc=<optimized out>, argv=<optimized out>, kw_splat=<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/v2/src/trunk-gc-asserts/vm.c:1139
  #51 vm_yield (argc=0, argv=0x0, kw_splat=0, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1184
  #52 rb_yield_0 (argv=0x0, argc=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1168
  #53 loop_i (_=_@entry=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1267
  #54 0x00007f20eda7d611 in rb_vrescue2 (b_proc=0x7f20edc47290 <loop_i>, data1=0, r_proc=0x7f20edc255f0 <loop_stop>, data2=0, args=args@entry=0x7f20e7b72820) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:993
  #55 0x00007f20eda7d80a in rb_rescue2 (b_proc=<optimized out>, data1=<optimized out>, r_proc=<optimized out>, data2=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:970
  #56 0x00007f20edc2b368 in vm_call_cfunc_with_frame (cd=0x5654ee174d90, calling=<optimized out>, reg_cfp=0x7f20e7c72ca0, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #57 vm_call_cfunc (ec=0x7f20e001a330, reg_cfp=0x7f20e7c72ca0, calling=<optimized out>, cd=0x5654ee174d90) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #58 0x00007f20edc358cd in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #59 vm_exec_core (ec=0x7f20e7b716e0, ec@entry=0x7f20e001a330, initial=1, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:782
  #60 0x00007f20edc3bbcb in rb_vm_exec (ec=0x7f20e001a330, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #61 0x00007f20edc3c6e1 in invoke_block (ec=ec@entry=0x7f20e001a330, iseq=iseq@entry=0x5654edf41468, self=self@entry=94922769497440, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #62 0x00007f20edc3f753 in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7f20e7b72d28, argc=1, self=94922769497440, captured=0x7f20e001a540, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #63 invoke_block_from_c_proc (me=0x0, is_lambda=<optimized out>, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7f20e7b72d28, argc=1, self=94922769497440, proc=0x5654edf4fd60, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1221
  #64 vm_invoke_proc (passed_block_handler=0, kw_splat=<optimized out>, argv=0x7f20e7b72d28, argc=1, self=94922769497440, proc=0x5654edf4fd60, ec=0x7f20e001a330) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1243
  #65 rb_vm_invoke_proc (ec=0x7f20e001a330, proc=proc@entry=0x7f20e001a540, argc=argc@entry=1, argv=argv@entry=0x7f20e7b72c50, kw_splat=<optimized out>, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1264
  #66 0x00007f20edbf7618 in thread_do_start (th=th@entry=0x7f20e001a160) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:701
  #67 0x00007f20edbf9967 in thread_start_func_2 (th=th@entry=0x7f20e001a160, stack_start=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:750
  #68 0x00007f20edbf9f9b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:969
  #69 0x00007f20ed1856db in start_thread (arg=0x7f20e7c73700) at pthread_create.c:463
  #70 0x00007f20ed6db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 3 (Thread 0x7f20e7d94700 (LWP 16794)):
  #0  0x00007f20ed18b9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5654ee2c7a64) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
  #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5654ee2c7a90, cond=0x5654ee2c7a38) at pthread_cond_wait.c:502
  #2  __pthread_cond_wait (cond=0x5654ee2c7a38, mutex=0x5654ee2c7a90) at pthread_cond_wait.c:655
  #3  0x00007f20edbf546c in rb_native_cond_wait (mutex=0x5654ee2c7a90, cond=0x5654ee2c7a38) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:509
  #4  native_cond_sleep (th=th@entry=0x5654ee2c79d0, rel=rel@entry=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:1197
  #5  0x00007f20edbf5735 in native_sleep (th=th@entry=0x5654ee2c79d0, rel=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:2113
  #6  0x00007f20edbf8db4 in sleep_forever (fl=1, th=0x5654ee2c79d0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:1265
  #7  rb_thread_sleep_deadly_allow_spurious_wakeup () at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:1356
  #8  rb_mutex_sleep_forever (time=time@entry=8) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_sync.c:451
  #9  0x00007f20eda7db44 in rb_ensure (b_proc=b_proc@entry=0x7f20edbf8d00 <rb_mutex_sleep_forever>, data1=data1@entry=8, e_proc=e_proc@entry=0x7f20edbf7260 <mutex_lock_uninterruptible>, data2=data2@entry=94922769460040) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #10 0x00007f20edbf72bd in rb_mutex_sleep (self=94922769460040, timeout=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_sync.c:477
  #11 0x00007f20edc3fbd4 in vm_call0_cfunc_with_frame (argv=0x7f20e7c93108, cd=0x5654ee13ee10, calling=0x7f20e7c92fb0, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:90
  #12 vm_call0_cfunc (argv=0x7f20e7c93108, cd=0x5654ee13ee10, calling=0x7f20e7c92fb0, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:104
  #13 vm_call0_body (ec=0x5654ee13ee10, calling=calling@entry=0x7f20e7c92fb0, cd=cd@entry=0x7f20edf6b1c0 <rb_funcallv_data>, argv=argv@entry=0x7f20e7c93108) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:139
  #14 0x00007f20edc420a6 in rb_funcallv_with_cc (cd=0x7f20edf6b1c0 <rb_funcallv_data>, recv=94922769460040, mid=24465, argc=1, argv=0x7f20e7c93108) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:969
  #15 0x00007f20eda7db44 in rb_ensure (b_proc=b_proc@entry=0x7f20edbf0630 <do_sleep>, data1=data1@entry=139779304403200, e_proc=e_proc@entry=0x7f20edbef2a0 <delete_from_waitq>, data2=data2@entry=139779304403216) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #16 0x00007f20edbf035c in rb_condvar_wait (argc=2, argv=0x7f20e7c93360, self=94922769458720) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_sync.c:1407
  #17 0x00007f20edc3fbd4 in vm_call0_cfunc_with_frame (argv=0x7f20e7c93360, cd=0x7f20e7c931c0, calling=0x7f20e7c93230, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:90
  #18 vm_call0_cfunc (argv=0x7f20e7c93360, cd=0x7f20e7c931c0, calling=0x7f20e7c93230, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:104
  #19 vm_call0_body (ec=ec@entry=0x5654ee13ee10, calling=calling@entry=0x7f20e7c93230, cd=cd@entry=0x7f20e7c93290, argv=argv@entry=0x7f20e7c93360) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:139
  #20 0x00007f20edc4023f in rb_vm_call0 (ec=ec@entry=0x5654ee13ee10, recv=recv@entry=94922769458720, id=id@entry=24625, argc=argc@entry=2, argv=argv@entry=0x7f20e7c93360, me=me@entry=0x5654eddcac60, kw_splat=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:52
  #21 0x00007f20edc40475 in rb_vm_call_kw (ec=ec@entry=0x5654ee13ee10, recv=recv@entry=94922769458720, id=id@entry=24625, argc=argc@entry=2, argv=argv@entry=0x7f20e7c93360, me=me@entry=0x5654eddcac60, kw_splat=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:232
  #22 0x00007f20edc41e51 in rb_call0 (call_scope=CALL_FCALL, self=94922769460080, argv=0x7f20e7c93360, argc=2, mid=24625, recv=94922769458720, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:354
  #23 rb_call (scope=CALL_FCALL, argv=0x7f20e7c93360, argc=2, mid=24625, recv=94922769458720) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:680
  #24 rb_funcallv (recv=94922769458720, mid=24625, argc=argc@entry=2, argv=argv@entry=0x7f20e7c93360) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:920
  #25 0x00007f20e96c8e7c in monitor_wait_for_cond_body (v=v@entry=139779304404112) at /tmp/ruby/v2/src/trunk-gc-asserts/ext/monitor/monitor.c:152
  #26 0x00007f20eda7db44 in rb_ensure (b_proc=b_proc@entry=0x7f20e96c8e10 <monitor_wait_for_cond_body>, data1=data1@entry=139779304404112, e_proc=e_proc@entry=0x7f20e96c9040 <monitor_enter_for_cond>, data2=data2@entry=139779304404112) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #27 0x00007f20e96c8fad in monitor_wait_for_cond (monitor=94922769460080, cond=<optimized out>, timeout=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/ext/monitor/monitor.c:180
  #28 0x00007f20edc2b368 in vm_call_cfunc_with_frame (cd=0x5654ede069d0, calling=<optimized out>, reg_cfp=0x7f20e7d93b50, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #29 vm_call_cfunc (ec=0x5654ee13ee10, reg_cfp=0x7f20e7d93b50, calling=<optimized out>, cd=0x5654ede069d0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #30 0x00007f20edc35816 in vm_sendish (block_handler=<optimized out>, method_explorer=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #31 vm_exec_core (ec=0x5654ee2c7a64, ec@entry=0x5654ee13ee10, initial=128, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:801
  #32 0x00007f20edc3bbcb in rb_vm_exec (ec=0x5654ee13ee10, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #33 0x00007f20edc3c6e1 in invoke_block (ec=ec@entry=0x5654ee13ee10, iseq=iseq@entry=0x5654edfa59b8, self=self@entry=94922769460600, cref=cref@entry=0x0, type=<optimized out>, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #34 0x00007f20edc3ecfe in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argv=<optimized out>, argc=0, self=94922769460600, captured=<optimized out>, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #35 invoke_block_from_c_bh (passed_block_handler=<optimized out>, force_blockarg=<optimized out>, is_lambda=<optimized out>, cref=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, argc=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1139
  #36 vm_yield (kw_splat=0, argv=<optimized out>, argc=0, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1184
  #37 rb_yield_0 (argv=<optimized out>, argc=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1168
  #38 rb_yield_values2 (argc=0, argv=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1214
  #39 0x00007f20eda7db44 in rb_ensure (b_proc=0x7f20e96c8f00 <monitor_sync_body>, data1=94922769460080, e_proc=<optimized out>, data2=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #40 0x00007f20edc2b368 in vm_call_cfunc_with_frame (cd=0x5654edfde5d0, calling=<optimized out>, reg_cfp=0x7f20e7d93c30, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #41 vm_call_cfunc (ec=0x5654ee13ee10, reg_cfp=0x7f20e7d93c30, calling=<optimized out>, cd=0x5654edfde5d0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #42 0x00007f20edc358cd in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #43 vm_exec_core (ec=0x5654ee2c7a64, ec@entry=0x5654ee13ee10, initial=128, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:782
  #44 0x00007f20edc3bbcb in rb_vm_exec (ec=0x5654ee13ee10, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #45 0x00007f20edc3c6e1 in invoke_block (ec=ec@entry=0x5654ee13ee10, iseq=iseq@entry=0x5654edfa5120, self=self@entry=94922771856800, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #46 0x00007f20edc3f753 in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7f20e7c93d28, argc=1, self=94922771856800, captured=0x5654ee25c2a0, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #47 invoke_block_from_c_proc (me=0x0, is_lambda=<optimized out>, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7f20e7c93d28, argc=1, self=94922771856800, proc=0x5654ee18fda0, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1221
  #48 vm_invoke_proc (passed_block_handler=0, kw_splat=<optimized out>, argv=0x7f20e7c93d28, argc=1, self=94922771856800, proc=0x5654ee18fda0, ec=0x5654ee13ee10) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1243
  #49 rb_vm_invoke_proc (ec=0x5654ee13ee10, proc=proc@entry=0x5654ee25c2a0, argc=argc@entry=1, argv=argv@entry=0x7f20e7c93c50, kw_splat=<optimized out>, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1264
  #50 0x00007f20edbf7618 in thread_do_start (th=th@entry=0x5654ee2c79d0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:701
  #51 0x00007f20edbf9967 in thread_start_func_2 (th=th@entry=0x5654ee2c79d0, stack_start=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:750
  #52 0x00007f20edbf9f9b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:969
  #53 0x00007f20ed1856db in start_thread (arg=0x7f20e7d94700) at pthread_create.c:463
  #54 0x00007f20ed6db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 2 (Thread 0x7f20e7eb5700 (LWP 16793)):
  #0  0x00007f20ed6d103f in __GI___select (nfds=11, readfds=0x7f20e0004b60, writefds=0x0, exceptfds=0x0, timeout=0x0) at ../sysdeps/unix/sysv/linux/select.c:41
  #1  0x00007f20edbfa68c in rb_fd_select (n=<optimized out>, readfds=<optimized out>, writefds=<optimized out>, exceptfds=<optimized out>, timeout=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:3832
  #2  0x00007f20edbfa80a 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/v2/src/trunk-gc-asserts/thread_pthread.c:1158
  #3  do_select (p=p@entry=139779305588208) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:4003
  #4  0x00007f20eda7db44 in rb_ensure (b_proc=b_proc@entry=0x7f20edbfa690 <do_select>, data1=data1@entry=139779305588208, e_proc=e_proc@entry=0x7f20edbfa3d0 <select_set_free>, data2=data2@entry=139779305588208) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #5  0x00007f20edbfae06 in rb_thread_fd_select (max=max@entry=11, read=read@entry=0x7f20e7db48a0, write=write@entry=0x0, except=except@entry=0x0, timeout=timeout@entry=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:4129
  #6  0x00007f20edab6377 in select_internal (fds=<optimized out>, tp=0x0, except=<optimized out>, write=<optimized out>, read=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/io.c:9179
  #7  select_call (arg=arg@entry=139779305588864) at /tmp/ruby/v2/src/trunk-gc-asserts/io.c:9249
  #8  0x00007f20eda7db44 in rb_ensure (b_proc=b_proc@entry=0x7f20edab62d0 <select_call>, data1=data1@entry=139779305588864, e_proc=e_proc@entry=0x7f20edab29b0 <select_end>, data2=data2@entry=139779305588864) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #9  0x00007f20edab2902 in rb_f_select (argc=<optimized out>, argv=<optimized out>, obj=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/io.c:9597
  #10 0x00007f20edc2b368 in vm_call_cfunc_with_frame (cd=0x5654ee0b17a0, calling=<optimized out>, reg_cfp=0x7f20e7eb4bf8, ec=0x5654ee294a00) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #11 vm_call_cfunc (ec=0x5654ee294a00, reg_cfp=0x7f20e7eb4bf8, calling=<optimized out>, cd=0x5654ee0b17a0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #12 0x00007f20edc35816 in vm_sendish (block_handler=<optimized out>, method_explorer=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #13 vm_exec_core (ec=0xb, ec@entry=0x5654ee294a00, initial=139779173796704, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:801
  #14 0x00007f20edc3bbcb in rb_vm_exec (ec=0x5654ee294a00, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #15 0x00007f20edc3c6e1 in invoke_block (ec=ec@entry=0x5654ee294a00, iseq=iseq@entry=0x5654edf43df8, self=self@entry=94922769497440, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #16 0x00007f20edc3f753 in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7f20e7db4d28, argc=0, self=94922769497440, captured=0x5654ee2c78d0, ec=0x5654ee294a00) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #17 invoke_block_from_c_proc (me=0x0, is_lambda=<optimized out>, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7f20e7db4d28, argc=0, self=94922769497440, proc=0x5654edf4fd60, ec=0x5654ee294a00) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1221
  #18 vm_invoke_proc (passed_block_handler=0, kw_splat=<optimized out>, argv=0x7f20e7db4d28, argc=0, self=94922769497440, proc=0x5654edf4fd60, ec=0x5654ee294a00) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1243
  #19 rb_vm_invoke_proc (ec=0x5654ee294a00, proc=proc@entry=0x5654ee2c78d0, argc=argc@entry=0, argv=argv@entry=0x7f20e7db4c50, kw_splat=<optimized out>, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1264
  #20 0x00007f20edbf7618 in thread_do_start (th=th@entry=0x5654ee2c7750) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:701
  #21 0x00007f20edbf9967 in thread_start_func_2 (th=th@entry=0x5654ee2c7750, stack_start=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:750
  #22 0x00007f20edbf9f9b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:969
  #23 0x00007f20ed1856db in start_thread (arg=0x7f20e7eb5700) at pthread_create.c:463
  #24 0x00007f20ed6db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7f20ee18bd80 (LWP 16783)):
  #0  0x00007f20ed6cecf6 in __GI_ppoll (fds=fds@entry=0x7ffd3cab4968, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  #1  0x00007f20edbf4867 in rb_sigwait_sleep (th=th@entry=0x5654edda0f70, sigwait_fd=sigwait_fd@entry=3, rel=rel@entry=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:1979
  #2  0x00007f20edbf5836 in native_sleep (th=th@entry=0x5654edda0f70, rel=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:2099
  #3  0x00007f20edbf8abe in thread_join_sleep (arg=arg@entry=140725621312336) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:1017
  #4  0x00007f20eda7db44 in rb_ensure (b_proc=b_proc@entry=0x7f20edbf8970 <thread_join_sleep>, data1=data1@entry=140725621312336, e_proc=e_proc@entry=0x7f20edbef2c0 <remove_from_join_list>, data2=data2@entry=140725621312336) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #5  0x00007f20edbefbf0 in thread_join (target_th=0x5654ee2c7750, rel=rel@entry=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:1062
  #6  0x00007f20edbf057c in thread_join_m (argc=<optimized out>, argv=<optimized out>, self=94922769474200) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:1159
  #7  0x00007f20edc2b368 in vm_call_cfunc_with_frame (cd=0x5654ee0fb600, calling=<optimized out>, reg_cfp=0x7f20ee189fa0, ec=0x5654edda1590) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #8  vm_call_cfunc (ec=0x5654edda1590, reg_cfp=0x7f20ee189fa0, calling=<optimized out>, cd=0x5654ee0fb600) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #9  0x00007f20edc45d9e in vm_call_method (ec=0x5654edda1590, cfp=0x7f20ee189fa0, calling=<optimized out>, cd=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:3051
  #10 0x00007f20edc35816 in vm_sendish (block_handler=<optimized out>, method_explorer=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #11 vm_exec_core (ec=0x7ffd3cab4968, initial=1, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:801
  #12 0x00007f20edc3c26f in rb_vm_exec (ec=0x5654edda1590, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1934
  #13 0x00007f20edc47210 in rb_iseq_eval_main (iseq=iseq@entry=0x5654edf42ea8) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:2184
  #14 0x00007f20eda79f4a in rb_ec_exec_node (ec=ec@entry=0x5654edda1590, n=n@entry=0x5654edf42ea8) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:289
  #15 0x00007f20eda80879 in ruby_run_node (n=0x5654edf42ea8) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:347
  #16 0x00005654ec2b9a1f in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/main.c:50
  >>> Dump Ruby level backtrace
  th: 0x5654edda0f70, native_id: 0x7f20ee18bd80
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0012 e:000011 CFUNC  :join
    me:
      called_id: join, type: cfunc
      owner class: 0x00005654eddd02c8 [3LM   ] T_CLASS Thread
    self: 0x00005654edf4a298 [0LM  U] VM/thread (Thread)VM/thread
  c:0002 p:0247 s:0008 E:001e90 EVAL   /tmp/ruby/v2/src/trunk-gc-asserts/test/drb/ut_drb_drbssl.rb:37 [FINISH]
    self: 0x00005654eddfdd68 [3LM   ] T_OBJECT len:0 ptr:0x0000000000000000
    lvars:
      config: 0x00005654edfa4900 [3LM   ] T_HASH (Hash)[A ] 4
      es: 0x00005654edf47610 [3LM   ] T_OBJECT (DRb::ExtServ)len:5 ptr:0x00007f20dc021100
  c:0001 p:0000 s:0003 E:0022b0 (none) [FINISH]
    self: 0x00005654eddfdd68 [3LM   ] T_OBJECT len:0 ptr:0x0000000000000000
  
  th: 0x5654ee2c7750, native_id: 0x7f20e7eb5700
  -- Control frame information -----------------------------------------------
  c:0006 p:---- s:0027 e:000026 CFUNC  :select
    me:
      called_id: select, type: cfunc
      owner class: 0x00005654edde2248 [3LM   ] T_CLASS 
    self: 0x00005654edde2270 [3LM   ] T_CLASS IO
  c:0005 p:0019 s:0022 e:000021 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:986
    me:
      called_id: accept_or_shutdown, type: iseq
      owner class: 0x00005654ee0d8da8 [3LM   ] T_CLASS DRb::DRbTCPSocket
    self: 0x00005654edf4c610 [3LM R ] T_OBJECT (DRb::DRbSSLSocket)len:10 ptr:0x00005654ee119b70
    lvars:
      readables: T_NIL
  c:0004 p:0007 s:0017 e:000016 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/ssl.rb:324
    me:
      called_id: accept, type: iseq
      owner class: 0x00005654edfa5c10 [3LM   ] T_CLASS DRb::DRbSSLSocket
    self: 0x00005654edf4c610 [3LM R ] T_OBJECT (DRb::DRbSSLSocket)len:10 ptr:0x00005654ee119b70
    lvars:
      soc: T_NIL
      ssl: T_NIL
  c:0003 p:0005 s:0011 e:000010 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1720
    me:
      called_id: main_loop, type: iseq
      owner class: 0x00005654ee18fb48 [3LM   ] T_CLASS DRb::DRbServer
    self: 0x00005654edf4fd60 [3LM   ] T_OBJECT (DRb::DRbServer)len:10 ptr:0x00005654ee273040
    lvars:
      client0: T_NIL
  c:0002 p:0008 s:0006 e:000005 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1566 [FINISH]
    me:
      called_id: run, type: iseq
      owner class: 0x00005654ee18fb48 [3LM   ] T_CLASS DRb::DRbServer
    self: 0x00005654edf4fd60 [3LM   ] T_OBJECT (DRb::DRbServer)len:10 ptr:0x00005654ee273040
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  th: 0x5654ee2c79d0, native_id: 0x7f20e7d94700
  -- Control frame information -----------------------------------------------
  c:0011 p:---- s:0045 e:000044 CFUNC  :sleep
    me:
      called_id: sleep, type: cfunc
      owner class: 0x00005654eddcb9f8 [3LM   ] T_CLASS Thread::Mutex
    self: 0x00005654edf46b48 [0 M  U] mutex (Thread::Mutex)mutex
  c:0010 p:---- s:0042 e:000041 CFUNC  :wait
    me:
      called_id: wait, type: cfunc
      owner class: 0x00005654eddcada0 [3LM   ] T_CLASS Thread::ConditionVariable
    self: 0x00005654edf46620 [1 M   ] condvar (Thread::ConditionVariable)condvar
  c:0009 p:---- s:0039 e:000038 CFUNC  :wait_for_cond
    me:
      called_id: wait_for_cond, type: cfunc
      owner class: 0x00005654ee0e1c00 [3LM   ] T_CLASS Monitor
    self: 0x00005654edf46b70 [3LM R ] monitor (Monitor)monitor
  c:0008 p:0019 s:0033 e:000032 METHOD /tmp/ruby/v2/build/trunk-gc-asserts/.ext/common/monitor.rb:108
    me:
      called_id: wait, type: iseq
      owner class: 0x00005654ee0e1868 [3LM   ] T_CLASS MonitorMixin::ConditionVariable
    self: 0x00005654edf46648 [3LM R ] T_OBJECT (MonitorMixin::ConditionVariable)(embed) len:3
    lvars:
      timeout: T_NIL
  c:0007 p:0009 s:0028 e:000027 METHOD /tmp/ruby/v2/build/trunk-gc-asserts/.ext/common/monitor.rb:125
    me:
      called_id: wait_until, type: iseq
      owner class: 0x00005654ee0e1868 [3LM   ] T_CLASS MonitorMixin::ConditionVariable
    self: 0x00005654edf46648 [3LM R ] T_OBJECT (MonitorMixin::ConditionVariable)(embed) len:3
  c:0006 p:0007 s:0024 e:000023 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1238 [FINISH]
    me:
      called_id: _execute, type: iseq
      owner class: 0x00005654ee18ff30 [3LM   ] T_CLASS DRb::ThreadObject
    self: 0x00005654edf46d78 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x00005654ee104a20
  c:0005 p:---- s:0021 e:000020 CFUNC  :synchronize
    me:
      called_id: synchronize, type: cfunc
      owner class: 0x00005654ee0e1c00 [3LM   ] T_CLASS Monitor
    self: 0x00005654edf46b70 [3LM R ] monitor (Monitor)monitor
  c:0004 p:0009 s:0017 e:000016 METHOD /tmp/ruby/v2/build/trunk-gc-asserts/.ext/common/monitor.rb:202
    me:
      called_id: synchronize, type: iseq
      owner class: 0x00005654ee0e18b8 [0LM  U] T_MODULE MonitorMixin
      defined_class: 0x00005654ee18fe90 [0LM  U] T_ICLASS src:MonitorMixin
    self: 0x00005654edf46d78 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x00005654ee104a20
    lvars:
      b: T_NIL
  c:0003 p:0004 s:0012 e:000011 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1237
    me:
      called_id: _execute, type: iseq
      owner class: 0x00005654ee18ff30 [3LM   ] T_CLASS DRb::ThreadObject
    self: 0x00005654edf46d78 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x00005654ee104a20
  c:0002 p:0014 s:0008 e:000007 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1262 [FINISH]
    me:
      called_id: make_pool, type: iseq
      owner class: 0x00005654ee18fd78 [3LM   ] T_CLASS 
    self: 0x00005654ee18fda0 [3LM   ] T_CLASS DRb::DRbConn
    lvars:
      queue: 0x00005654edf46d78 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x00005654ee104a20
      pool: 0x00005654ee2665d0 [0     ] T_ARRAY (Array)[E ] len: 0 (embed)
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  th: 0x7f20e001a160, native_id: 0x7f20e7c73700
  -- Control frame information -----------------------------------------------
  c:0022 p:---- s:0119 e:000118 CFUNC  :connect
    me:
      called_id: connect, type: cfunc
      owner class: 0x00005654ee21a428 [3LM   ] T_CLASS OpenSSL::SSL::SSLSocket
    self: 0x00005654ee2662b0 [0    U] OpenSSL/SSL (OpenSSL::SSL::SSLSocket)OpenSSL/SSL
  c:0021 p:0040 s:0115 e:000114 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/ssl.rb:144
    me:
      called_id: connect, type: iseq
      owner class: 0x00005654edfa5aa8 [3LM   ] T_CLASS DRb::DRbSSLSocket::SSLConfig
    self: 0x00005654ee266300 [0     ] T_OBJECT (DRb::DRbSSLSocket::SSLConfig)len:4 ptr:0x00007f20ec510b30
    lvars:
      tcp: 0x00005654ee266328 [0    U] T_FILE (TCPSocket)
      ssl: 0x00005654ee2662b0 [0    U] OpenSSL/SSL (OpenSSL::SSL::SSLSocket)OpenSSL/SSL
  c:0020 p:0055 s:0109 e:000108 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/ssl.rb:254
    me:
      called_id: open, type: iseq
      owner class: 0x00005654edfa5b98 [3LM   ] T_CLASS 
    self: 0x00005654edfa5c10 [3LM   ] T_CLASS DRb::DRbSSLSocket
    lvars:
      uri: 0x00005654edf12118 [3LM R ] T_STRING (String)drbssl://172.17.0.18:33069
      config: 0x00005654edf4fc48 [3LM R ] T_HASH (Hash)[S ] 9
      host: 0x00005654ee266418 [0     ] T_STRING (String)172.17.0.18
      port: T_FIXNUM 33069
      soc: 0x00005654ee266328 [0    U] T_FILE (TCPSocket)
      ssl_conf: 0x00005654ee266300 [0     ] T_OBJECT (DRb::DRbSSLSocket::SSLConfig)len:4 ptr:0x00007f20ec510b30
      ssl: T_NIL
  c:0019 p:0009 s:0098 e:000097 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:738 [FINISH]
    me:
      called_id: open, type: iseq
      owner class: 0x00005654ee0d93e8 [3LM   ] T_CLASS 
    self: 0x00005654ee0d96e0 [3LM   ] T_MODULE DRb::DRbProtocol
    lvars:
      prot: 0x00005654edfa5c10 [3LM   ] T_CLASS DRb::DRbSSLSocket
  c:0018 p:---- s:0094 e:000093 CFUNC  :each
    me:
      called_id: each, type: cfunc
      owner class: 0x00005654eddea6f0 [3LM   ] T_CLASS Array
    self: 0x00005654ee0d85d8 [3LM   ] T_ARRAY (Array)[E ] len: 2 (embed)
  c:0017 p:0010 s:0090 e:000089 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:736
    me:
      called_id: open, type: iseq
      owner class: 0x00005654ee0d93e8 [3LM   ] T_CLASS 
    self: 0x00005654ee0d96e0 [3LM   ] T_MODULE DRb::DRbProtocol
    lvars:
      uri: 0x00005654edf12118 [3LM R ] T_STRING (String)drbssl://172.17.0.18:33069
      config: 0x00005654edf4fc48 [3LM R ] T_HASH (Hash)[S ] 9
      first: T_TRUE
  c:0016 p:0029 s:0083 e:000082 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1318 [FINISH]
    me:
      called_id: initialize, type: iseq
      owner class: 0x00005654ee18fda0 [3LM   ] T_CLASS DRb::DRbConn
    self: 0x00005654ee266580 [0     ] T_OBJECT (DRb::DRbConn)(embed) len:3
    lvars:
      remote_uri: 0x00005654edf12118 [3LM R ] T_STRING (String)drbssl://172.17.0.18:33069
  c:0015 p:---- s:0078 e:000077 CFUNC  :new
    me:
      called_id: new, type: cfunc
      owner class: 0x00005654ede01170 [3LM   ] T_CLASS Class
    self: 0x00005654ee18fda0 [3LM   ] T_CLASS DRb::DRbConn
  c:0014 p:0034 s:0073 e:000072 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1301
    me:
      called_id: open, type: iseq
      owner class: 0x00005654ee18fd78 [3LM   ] T_CLASS 
    self: 0x00005654ee18fda0 [3LM   ] T_CLASS DRb::DRbConn
    lvars:
      remote_uri: 0x00005654edf12118 [3LM R ] T_STRING (String)drbssl://172.17.0.18:33069
      conn: T_NIL
      succ: T_NIL
      result: T_NIL
  c:0013 p:0016 s:0065 e:000064 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1142
    me:
      called_id: method_missing, type: iseq
      owner class: 0x00005654ee184338 [3LM   ] T_CLASS DRb::DRbObject
    self: 0x00005654edf12078 [3LM   ] T_OBJECT (DRb::DRbObject)(embed) len:3
  c:0012 p:0021 s:0062 e:000061 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1161
    me:
      called_id: with_friend, type: iseq
      owner class: 0x00005654ee184310 [3LM   ] T_CLASS 
    self: 0x00005654ee184338 [3LM   ] T_CLASS DRb::DRbObject
    lvars:
      uri: 0x00005654edf12118 [3LM R ] T_STRING (String)drbssl://172.17.0.18:33069
      friend: T_NIL
      save: T_NIL
  c:0011 p:0074 s:0055 e:000054 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1141
    me:
      called_id: method_missing, type: iseq
      owner class: 0x00005654ee184338 [3LM   ] T_CLASS DRb::DRbObject
    self: 0x00005654edf12078 [3LM   ] T_OBJECT (DRb::DRbObject)(embed) len:3
    lvars:
      msg_id: T_SYMBOL unregist
      a: 0x00005654ee266698 [0     ] T_ARRAY (Array)[E ] len: 1 (embed)
      b: T_NIL
      obj: T_NIL
      succ: T_NIL
      result: T_NIL
      bt: T_NIL
  c:0010 p:0009 s:0044 e:000043 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/extserv.rb:32 [FINISH]
    me:
      called_id: stop_service, type: iseq
      owner class: 0x00005654ee0d29d0 [3LM   ] T_CLASS DRb::ExtServ
    self: 0x00005654edf47610 [3LM   ] T_OBJECT (DRb::ExtServ)len:5 ptr:0x00007f20dc021100
    lvars:
      server: T_NIL
  c:0009 p:---- s:0040 e:000039 CFUNC  :synchronize
    me:
      called_id: synchronize, type: cfunc
      owner class: 0x00005654ee0e1c00 [3LM   ] T_CLASS Monitor
    self: 0x00005654edf47458 [3LM R ] monitor (Monitor)monitor
  c:0008 p:0009 s:0036 e:000035 METHOD /tmp/ruby/v2/build/trunk-gc-asserts/.ext/common/monitor.rb:202
    me:
      called_id: synchronize, type: iseq
      owner class: 0x00005654ee0e18b8 [0LM  U] T_MODULE MonitorMixin
      defined_class: 0x00005654ee0d2890 [0 M  U] T_ICLASS src:MonitorMixin
    self: 0x00005654edf47610 [3LM   ] T_OBJECT (DRb::ExtServ)len:5 ptr:0x00007f20dc021100
    lvars:
      b: T_NIL
  c:0007 p:0004 s:0031 e:000030 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/extserv.rb:31
    me:
      called_id: stop_service, type: iseq
      owner class: 0x00005654ee0d29d0 [3LM   ] T_CLASS DRb::ExtServ
    self: 0x00005654edf47610 [3LM   ] T_OBJECT (DRb::ExtServ)len:5 ptr:0x00007f20dc021100
  c:0006 p:0074 s:0027 e:000026 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1690
    me:
      called_id: perform_without_block, type: iseq
      owner class: 0x00005654ee18f4e0 [3LM   ] T_CLASS DRb::DRbServer::InvokeMethod
    self: 0x00005654ee266c38 [0     ] T_OBJECT (DRb::DRbServer::InvokeMethod)len:8 ptr:0x00007f20ec510140
    lvars:
      ary: T_NIL
  c:0005 p:0029 s:0022 e:000021 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1646
    me:
      called_id: perform, type: iseq
      owner class: 0x00005654ee18f4e0 [3LM   ] T_CLASS DRb::DRbServer::InvokeMethod
    self: 0x00005654ee266c38 [0     ] T_OBJECT (DRb::DRbServer::InvokeMethod)len:8 ptr:0x00007f20ec510140
  c:0004 p:0025 s:0018 e:000017 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1734 [FINISH]
    me:
      called_id: main_loop, type: iseq
      owner class: 0x00005654ee18fb48 [3LM   ] T_CLASS DRb::DRbServer
    self: 0x00005654edf4fd60 [3LM   ] T_OBJECT (DRb::DRbServer)len:10 ptr:0x00005654ee273040
    lvars:
      succ: T_FALSE
      invoke_method: 0x00005654ee266c38 [0     ] T_OBJECT (DRb::DRbServer::InvokeMethod)len:8 ptr:0x00007f20ec510140
      result: T_NIL
      e: T_NIL
  c:0003 p:---- s:0011 e:000010 CFUNC  :loop
    me:
      called_id: loop, type: cfunc
      owner class: 0x00005654ede00f18 [0LM  U] T_MODULE Kernel
      defined_class: 0x00005654ede00ea0 [0LM  U] T_ICLASS src:Kernel
    self: 0x00005654edf4fd60 [3LM   ] T_OBJECT (DRb::DRbServer)len:10 ptr:0x00005654ee273040
  c:0002 p:0062 s:0007 e:000006 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1730 [FINISH]
    me:
      called_id: main_loop, type: iseq
      owner class: 0x00005654ee18fb48 [3LM   ] T_CLASS DRb::DRbServer
    self: 0x00005654edf4fd60 [3LM   ] T_OBJECT (DRb::DRbServer)len:10 ptr:0x00005654ee273040
    lvars:
      client: 0x00005654ee266ee0 [0     ] T_OBJECT (DRb::DRbSSLSocket)len:8 ptr:0x00007f20ec510060
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  $1 = 0
  ">>> Finish
  "
  [nil, 16783]
  "gdb -p 16386 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  #<Thread:0x000055f5df8752a0 /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1564 run> terminated with exception (report_on_exception is true):
  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/ssl.rb:153:in `accept': Connection reset by peer - SSL_accept (Errno::ECONNRESET)
  	from /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/ssl.rb:153:in `accept'
  	from /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/ssl.rb:330:in `accept'
  	from /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1720:in `main_loop'
  	from /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1566:in `block in run'
  [New LWP 16397]
  [New LWP 16522]
  [New LWP 16524]
  [New LWP 16537]
  [New LWP 16577]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  rb_iseq_memsize (iseq=iseq@entry=0x55f5dea5fda0) at /tmp/ruby/v2/src/trunk-gc-asserts/iseq.c:399
  399	        size += body->local_table_size * sizeof(ID);
  >>> Machine level backtrace
  
  Thread 6 (Thread 0x7ff60016a700 (LWP 16577)):
  #0  0x00007ff607bb59f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f5df879904) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
  #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f5df879930, cond=0x55f5df8798d8) at pthread_cond_wait.c:502
  #2  __pthread_cond_wait (cond=0x55f5df8798d8, mutex=0x55f5df879930) at pthread_cond_wait.c:655
  #3  0x00007ff60861f46c in rb_native_cond_wait (mutex=0x55f5df879930, cond=0x55f5df8798d8) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:509
  #4  native_cond_sleep (th=th@entry=0x55f5df879870, rel=rel@entry=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:1197
  #5  0x00007ff60861f735 in native_sleep (th=th@entry=0x55f5df879870, rel=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:2113
  #6  0x00007ff608622db4 in sleep_forever (fl=1, th=0x55f5df879870) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:1265
  #7  rb_thread_sleep_deadly_allow_spurious_wakeup () at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:1356
  #8  rb_mutex_sleep_forever (time=time@entry=8) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_sync.c:451
  #9  0x00007ff6084a7b44 in rb_ensure (b_proc=b_proc@entry=0x7ff608622d00 <rb_mutex_sleep_forever>, data1=data1@entry=8, e_proc=e_proc@entry=0x7ff608621260 <mutex_lock_uninterruptible>, data2=data2@entry=140693868919640) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #10 0x00007ff6086212bd in rb_mutex_sleep (self=140693868919640, timeout=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_sync.c:477
  #11 0x00007ff608669bd4 in vm_call0_cfunc_with_frame (argv=0x7ff600069108, cd=0x55f5df879a40, calling=0x7ff600068fb0, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:90
  #12 vm_call0_cfunc (argv=0x7ff600069108, cd=0x55f5df879a40, calling=0x7ff600068fb0, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:104
  #13 vm_call0_body (ec=0x55f5df879a40, calling=calling@entry=0x7ff600068fb0, cd=cd@entry=0x7ff6089951c0 <rb_funcallv_data>, argv=argv@entry=0x7ff600069108) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:139
  #14 0x00007ff60866c0a6 in rb_funcallv_with_cc (cd=0x7ff6089951c0 <rb_funcallv_data>, recv=140693868919640, mid=24465, argc=1, argv=0x7ff600069108) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:969
  #15 0x00007ff6084a7b44 in rb_ensure (b_proc=b_proc@entry=0x7ff60861a630 <do_sleep>, data1=data1@entry=140694539112704, e_proc=e_proc@entry=0x7ff6086192a0 <delete_from_waitq>, data2=data2@entry=140694539112720) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #16 0x00007ff60861a35c in rb_condvar_wait (argc=2, argv=0x7ff600069360, self=140693868919480) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_sync.c:1407
  #17 0x00007ff608669bd4 in vm_call0_cfunc_with_frame (argv=0x7ff600069360, cd=0x7ff6000691c0, calling=0x7ff600069230, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:90
  #18 vm_call0_cfunc (argv=0x7ff600069360, cd=0x7ff6000691c0, calling=0x7ff600069230, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:104
  #19 vm_call0_body (ec=ec@entry=0x55f5df879a40, calling=calling@entry=0x7ff600069230, cd=cd@entry=0x7ff600069290, argv=argv@entry=0x7ff600069360) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:139
  #20 0x00007ff60866a23f in rb_vm_call0 (ec=ec@entry=0x55f5df879a40, recv=recv@entry=140693868919480, id=id@entry=24625, argc=argc@entry=2, argv=argv@entry=0x7ff600069360, me=me@entry=0x55f5dea0ac60, kw_splat=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:52
  #21 0x00007ff60866a475 in rb_vm_call_kw (ec=ec@entry=0x55f5df879a40, recv=recv@entry=140693868919480, id=id@entry=24625, argc=argc@entry=2, argv=argv@entry=0x7ff600069360, me=me@entry=0x55f5dea0ac60, kw_splat=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:232
  #22 0x00007ff60866be51 in rb_call0 (call_scope=CALL_FCALL, self=140693868919680, argv=0x7ff600069360, argc=2, mid=24625, recv=140693868919480, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:354
  #23 rb_call (scope=CALL_FCALL, argv=0x7ff600069360, argc=2, mid=24625, recv=140693868919480) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:680
  #24 rb_funcallv (recv=140693868919480, mid=24625, argc=argc@entry=2, argv=argv@entry=0x7ff600069360) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:920
  #25 0x00007ff603ce7e7c in monitor_wait_for_cond_body (v=v@entry=140694539113616) at /tmp/ruby/v2/src/trunk-gc-asserts/ext/monitor/monitor.c:152
  #26 0x00007ff6084a7b44 in rb_ensure (b_proc=b_proc@entry=0x7ff603ce7e10 <monitor_wait_for_cond_body>, data1=data1@entry=140694539113616, e_proc=e_proc@entry=0x7ff603ce8040 <monitor_enter_for_cond>, data2=data2@entry=140694539113616) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #27 0x00007ff603ce7fad in monitor_wait_for_cond (monitor=140693868919680, cond=<optimized out>, timeout=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/ext/monitor/monitor.c:180
  #28 0x00007ff608655368 in vm_call_cfunc_with_frame (cd=0x55f5deeb8030, calling=<optimized out>, reg_cfp=0x7ff600169b50, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #29 vm_call_cfunc (ec=0x55f5df879a40, reg_cfp=0x7ff600169b50, calling=<optimized out>, cd=0x55f5deeb8030) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #30 0x00007ff60865f816 in vm_sendish (block_handler=<optimized out>, method_explorer=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #31 vm_exec_core (ec=0x55f5df879904, ec@entry=0x55f5df879a40, initial=128, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:801
  #32 0x00007ff608665bcb in rb_vm_exec (ec=0x55f5df879a40, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #33 0x00007ff6086666e1 in invoke_block (ec=ec@entry=0x55f5df879a40, iseq=iseq@entry=0x55f5df20c800, self=self@entry=140693868919760, cref=cref@entry=0x0, type=<optimized out>, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #34 0x00007ff608668cfe in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argv=<optimized out>, argc=0, self=140693868919760, captured=<optimized out>, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #35 invoke_block_from_c_bh (passed_block_handler=<optimized out>, force_blockarg=<optimized out>, is_lambda=<optimized out>, cref=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, argc=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1139
  #36 vm_yield (kw_splat=0, argv=<optimized out>, argc=0, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1184
  #37 rb_yield_0 (argv=<optimized out>, argc=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1168
  #38 rb_yield_values2 (argc=0, argv=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1214
  #39 0x00007ff6084a7b44 in rb_ensure (b_proc=0x7ff603ce7f00 <monitor_sync_body>, data1=140693868919680, e_proc=<optimized out>, data2=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #40 0x00007ff608655368 in vm_call_cfunc_with_frame (cd=0x55f5dedf5380, calling=<optimized out>, reg_cfp=0x7ff600169c30, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #41 vm_call_cfunc (ec=0x55f5df879a40, reg_cfp=0x7ff600169c30, calling=<optimized out>, cd=0x55f5dedf5380) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #42 0x00007ff60865f8cd in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #43 vm_exec_core (ec=0x55f5df879904, ec@entry=0x55f5df879a40, initial=128, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:782
  #44 0x00007ff608665bcb in rb_vm_exec (ec=0x55f5df879a40, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #45 0x00007ff6086666e1 in invoke_block (ec=ec@entry=0x55f5df879a40, iseq=iseq@entry=0x55f5df20c508, self=self@entry=94514498883480, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #46 0x00007ff608669753 in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7ff600069d28, argc=1, self=94514498883480, captured=0x55f5df879c80, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #47 invoke_block_from_c_proc (me=0x0, is_lambda=<optimized out>, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7ff600069d28, argc=1, self=94514498883480, proc=0x55f5df21cf98, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1221
  #48 vm_invoke_proc (passed_block_handler=0, kw_splat=<optimized out>, argv=0x7ff600069d28, argc=1, self=94514498883480, proc=0x55f5df21cf98, ec=0x55f5df879a40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1243
  #49 rb_vm_invoke_proc (ec=0x55f5df879a40, proc=proc@entry=0x55f5df879c80, argc=argc@entry=1, argv=argv@entry=0x7ff600069c50, kw_splat=<optimized out>, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1264
  #50 0x00007ff608621618 in thread_do_start (th=th@entry=0x55f5df879870) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:701
  #51 0x00007ff608623967 in thread_start_func_2 (th=th@entry=0x55f5df879870, stack_start=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:750
  #52 0x00007ff608623f9b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:969
  #53 0x00007ff607baf6db in start_thread (arg=0x7ff60016a700) at pthread_create.c:463
  #54 0x00007ff60810588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 5 (Thread 0x7ff5eeefa700 (LWP 16537)):
  #0  0x00007ff6080f8cf6 in __GI_ppoll (fds=fds@entry=0x7ff5eedf96d8, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  #1  0x00007ff60861e867 in rb_sigwait_sleep (th=th@entry=0x55f5df8704e0, sigwait_fd=sigwait_fd@entry=3, rel=rel@entry=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:1979
  #2  0x00007ff60861f836 in native_sleep (th=<optimized out>, rel=0x0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:2099
  #3  0x00007ff608622bc4 in queue_sleep () at /tmp/ruby/v2/src/trunk-gc-asserts/hrtime.h:85
  #4  0x00007ff6084a7b44 in rb_ensure (b_proc=b_proc@entry=0x7ff608622b10 <queue_sleep>, data1=data1@entry=94514505545000, e_proc=e_proc@entry=0x7ff608619250 <queue_sleep_done>, data2=data2@entry=140694251346080) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #5  0x00007ff60861b61e in queue_do_pop (should_block=1, q=<optimized out>, self=94514505545000) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_sync.c:925
  #6  rb_queue_pop (argc=<optimized out>, argv=<optimized out>, self=94514505545000) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_sync.c:961
  #7  0x00007ff608655368 in vm_call_cfunc_with_frame (cd=0x55f5df354b40, calling=<optimized out>, reg_cfp=0x7ff5eeef9ca0, ec=0x55f5df8706b0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #8  vm_call_cfunc (ec=0x55f5df8706b0, reg_cfp=0x7ff5eeef9ca0, calling=<optimized out>, cd=0x55f5df354b40) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #9  0x00007ff60865f816 in vm_sendish (block_handler=<optimized out>, method_explorer=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #10 vm_exec_core (ec=0x7ff5eedf96d8, ec@entry=0x55f5df8706b0, initial=1, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:801
  #11 0x00007ff608665bcb in rb_vm_exec (ec=0x55f5df8706b0, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #12 0x00007ff6086666e1 in invoke_block (ec=ec@entry=0x55f5df8706b0, iseq=iseq@entry=0x55f5df010df8, self=self@entry=94514505545320, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #13 0x00007ff608669753 in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7ff5eedf9d28, argc=0, self=94514505545320, captured=0x55f5df8708f0, ec=0x55f5df8706b0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #14 invoke_block_from_c_proc (me=0x0, is_lambda=<optimized out>, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7ff5eedf9d28, argc=0, self=94514505545320, proc=0x55f5df877668, ec=0x55f5df8706b0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1221
  #15 vm_invoke_proc (passed_block_handler=0, kw_splat=<optimized out>, argv=0x7ff5eedf9d28, argc=0, self=94514505545320, proc=0x55f5df877668, ec=0x55f5df8706b0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1243
  #16 rb_vm_invoke_proc (ec=0x55f5df8706b0, proc=proc@entry=0x55f5df8708f0, argc=argc@entry=0, argv=argv@entry=0x7ff5eedf9c50, kw_splat=<optimized out>, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1264
  #17 0x00007ff608621618 in thread_do_start (th=th@entry=0x55f5df8704e0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:701
  #18 0x00007ff608623967 in thread_start_func_2 (th=th@entry=0x55f5df8704e0, stack_start=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:750
  #19 0x00007ff608623f9b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:969
  #20 0x00007ff607baf6db in start_thread (arg=0x7ff5eeefa700) at pthread_create.c:463
  #21 0x00007ff60810588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 4 (Thread 0x7ff5ef13c700 (LWP 16524)):
  #0  0x00007ff607bb5ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff5ef13bd70, expected=0, futex_word=0x7ff5ef13be88) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
  #1  __pthread_cond_wait_common (abstime=0x7ff5ef13be50, mutex=0x7ff6089952a0 <thread_cache_lock>, cond=0x7ff5ef13be60) at pthread_cond_wait.c:533
  #2  __pthread_cond_timedwait (cond=0x7ff5ef13be60, mutex=0x7ff6089952a0 <thread_cache_lock>, abstime=0x7ff5ef13be50) at pthread_cond_wait.c:667
  #3  0x00007ff608624088 in native_cond_timedwait (abs=<synthetic pointer>, mutex=0x7ff6089952a0 <thread_cache_lock>, cond=0x7ff5ef13be60) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:529
  #4  register_cached_thread_and_wait (altstack=0x7ff5e8000b20) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:1031
  #5  thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:976
  #6  0x00007ff607baf6db in start_thread (arg=0x7ff5ef13c700) at pthread_create.c:463
  #7  0x00007ff60810588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 3 (Thread 0x7ff5ef25d700 (LWP 16522)):
  #0  0x00007ff607bb5ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff5ef25cd70, expected=0, futex_word=0x7ff5ef25ce88) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
  #1  __pthread_cond_wait_common (abstime=0x7ff5ef25ce50, mutex=0x7ff6089952a0 <thread_cache_lock>, cond=0x7ff5ef25ce60) at pthread_cond_wait.c:533
  #2  __pthread_cond_timedwait (cond=0x7ff5ef25ce60, mutex=0x7ff6089952a0 <thread_cache_lock>, abstime=0x7ff5ef25ce50) at pthread_cond_wait.c:667
  #3  0x00007ff608624088 in native_cond_timedwait (abs=<synthetic pointer>, mutex=0x7ff6089952a0 <thread_cache_lock>, cond=0x7ff5ef25ce60) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:529
  #4  register_cached_thread_and_wait (altstack=0x7ff5e4000b20) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:1031
  #5  thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:976
  #6  0x00007ff607baf6db in start_thread (arg=0x7ff5ef25d700) at pthread_create.c:463
  #7  0x00007ff60810588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 2 (Thread 0x7ff603ae1700 (LWP 16397)):
  #0  0x00007ff607bb5ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff6039e0560, expected=0, futex_word=0x55f5df698964) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
  #1  __pthread_cond_wait_common (abstime=0x7ff6039e0620, mutex=0x55f5de9e1a60, cond=0x55f5df698938) at pthread_cond_wait.c:533
  #2  __pthread_cond_timedwait (cond=0x55f5df698938, mutex=0x55f5de9e1a60, abstime=0x7ff6039e0620) at pthread_cond_wait.c:667
  #3  0x00007ff60861eca3 in native_cond_timedwait (abs=<optimized out>, mutex=<optimized out>, cond=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:529
  #4  do_gvl_timer (th=0x55f5df6988d0, vm=0x55f5de9e1a50) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:219
  #5  gvl_acquire_common (vm=vm@entry=0x55f5de9e1a50, th=th@entry=0x55f5df6988d0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:253
  #6  0x00007ff608621e07 in gvl_acquire (th=0x55f5df6988d0, vm=0x55f5de9e1a50) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:282
  #7  blocking_region_end (region=0x7ff6039e06bc, th=0x55f5df6988d0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:1455
  #8  rb_thread_io_blocking_region (func=0x7ff6084dbe70 <internal_read_func>, data1=0x7ff6039e0890, fd=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:1622
  #9  0x00007ff6084a7b44 in rb_ensure (b_proc=b_proc@entry=0x7ff6084dbc80 <read_internal_call>, data1=data1@entry=140694599370896, e_proc=e_proc@entry=0x7ff6085f1c90 <rb_str_unlocktmp>, data2=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:1132
  #10 0x00007ff608605d5b in rb_str_locktmp_ensure (str=<optimized out>, func=func@entry=0x7ff6084dbc80 <read_internal_call>, arg=arg@entry=140694599370896) at /tmp/ruby/v2/src/trunk-gc-asserts/string.c:2717
  #11 0x00007ff6084f1afe in read_internal_locktmp (iis=0x7ff6039e0890, str=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/io.c:2831
  #12 io_getpartial (argc=<optimized out>, argv=<optimized out>, io=<optimized out>, no_exception=no_exception@entry=8, nonblock=nonblock@entry=0) at /tmp/ruby/v2/src/trunk-gc-asserts/io.c:2872
  #13 0x00007ff6084f1f61 in io_readpartial (argc=<optimized out>, argv=<optimized out>, io=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/io.c:2965
  #14 0x00007ff608655368 in vm_call_cfunc_with_frame (cd=0x55f5deb4df30, calling=<optimized out>, reg_cfp=0x7ff603ae0ca0, ec=0x55f5df698aa0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #15 vm_call_cfunc (ec=0x55f5df698aa0, reg_cfp=0x7ff603ae0ca0, calling=<optimized out>, cd=0x55f5deb4df30) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #16 0x00007ff60865f816 in vm_sendish (block_handler=<optimized out>, method_explorer=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #17 vm_exec_core (ec=0x55f5df698964, ec@entry=0x55f5df698aa0, initial=128, initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:801
  #18 0x00007ff608665bcb in rb_vm_exec (ec=0x55f5df698aa0, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #19 0x00007ff6086666e1 in invoke_block (ec=ec@entry=0x55f5df698aa0, iseq=iseq@entry=0x55f5de9f16c0, self=self@entry=94514494562640, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #20 0x00007ff608669753 in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7ff6039e0d28, argc=0, self=94514494562640, captured=0x55f5df697fc0, ec=0x55f5df698aa0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #21 invoke_block_from_c_proc (me=0x0, is_lambda=<optimized out>, passed_block_handler=0, kw_splat=<optimized out>, argv=0x7ff6039e0d28, argc=0, self=94514494562640, proc=0x55f5dedfe150, ec=0x55f5df698aa0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1221
  #22 vm_invoke_proc (passed_block_handler=0, kw_splat=<optimized out>, argv=0x7ff6039e0d28, argc=0, self=94514494562640, proc=0x55f5dedfe150, ec=0x55f5df698aa0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1243
  #23 rb_vm_invoke_proc (ec=0x55f5df698aa0, proc=proc@entry=0x55f5df697fc0, argc=argc@entry=0, argv=argv@entry=0x7ff6039e0c50, kw_splat=<optimized out>, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1264
  #24 0x00007ff608621618 in thread_do_start (th=th@entry=0x55f5df6988d0) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:701
  #25 0x00007ff608623967 in thread_start_func_2 (th=th@entry=0x55f5df6988d0, stack_start=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread.c:750
  #26 0x00007ff608623f9b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:969
  #27 0x00007ff607baf6db in start_thread (arg=0x7ff603ae1700) at pthread_create.c:463
  #28 0x00007ff60810588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7ff608bb5d80 (LWP 16386)):
  #0  rb_iseq_memsize (iseq=iseq@entry=0x55f5dea5fda0) at /tmp/ruby/v2/src/trunk-gc-asserts/iseq.c:399
  #1  0x00007ff6084ba5f8 in imemo_memsize (obj=94514490768800) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:2375
  #2  obj_memsize_of (obj=obj@entry=94514490768800, use_all_types=use_all_types@entry=0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:3930
  #3  0x00007ff6084bec22 in obj_memsize_of (use_all_types=0, obj=94514490768800) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:1315
  #4  check_rvalue_consistency_force (obj=obj@entry=94514490768800, terminate=1) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:1320
  #5  0x00007ff6084c1234 in check_rvalue_consistency (obj=94514490768800) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:1381
  #6  is_markable_object (objspace=<optimized out>, obj=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:3628
  #7  gc_mark (objspace=0x55f5de9e20f0, obj=94514490768800) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:5234
  #8  0x00007ff6084c1983 in gc_mark (obj=<optimized out>, objspace=0x55f5de9e20f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:3627
  #9  mark_method_entry (me=0x55f5dec833e8, objspace=0x55f5de9e20f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:4926
  #10 gc_mark_imemo (obj=94514493010920, objspace=0x55f5de9e20f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:5310
  #11 gc_mark_children (objspace=objspace@entry=0x55f5de9e20f0, obj=obj@entry=94514493010920) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:5364
  #12 0x00007ff6084c4b2f in gc_mark_stacked_objects (incremental=<optimized out>, count=<optimized out>, objspace=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:5536
  #13 gc_mark_stacked_objects_all (objspace=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:5576
  #14 gc_marks_rest (objspace=objspace@entry=0x55f5de9e20f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:6502
  #15 0x00007ff6084c5187 in gc_marks (full_mark=<optimized out>, objspace=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:6562
  #16 gc_start (objspace=objspace@entry=0x55f5de9e20f0, reason=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:7373
  #17 0x00007ff6084c940a in garbage_collect (reason=<optimized out>, objspace=0x55f5de9e20f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:7268
  #18 gc_start_internal (ec=<optimized out>, self=<optimized out>, full_mark=<optimized out>, immediate_mark=<optimized out>, immediate_sweep=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:7556
  #19 0x00007ff608661283 in invoke_bf (cfp=<optimized out>, bf=<optimized out>, bf=<optimized out>, argv=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:5026
  #20 vm_invoke_builtin_delegate (start_index=<optimized out>, bf=<optimized out>, cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:5052
  #21 vm_exec_core (ec=0x55f5dea5fda0, initial=initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:1508
  #22 0x00007ff60866626f in rb_vm_exec (ec=0x55f5de9e2590, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1934
  #23 0x00007ff6086666e1 in invoke_block (ec=ec@entry=0x55f5de9e2590, iseq=iseq@entry=0x55f5dec22660, self=self@entry=94514494562640, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #24 0x00007ff6086668be in invoke_iseq_block_from_c (me=<optimized out>, is_lambda=<optimized out>, cref=<optimized out>, passed_block_handler=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, argc=<optimized out>, self=<optimized out>, captured=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #25 invoke_block_from_c_bh (argc=<optimized out>, kw_splat=<optimized out>, passed_block_handler=<optimized out>, cref=<optimized out>, is_lambda=<optimized out>, force_blockarg=<optimized out>, argv=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1139
  #26 vm_yield (argc=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1184
  #27 rb_yield_0 (argv=<optimized out>, argc=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1168
  #28 rb_yield_1 (val=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1174
  #29 rb_yield (val=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1184
  #30 0x00007ff60841163c in rb_ary_collect (ary=94514499189160) at /tmp/ruby/v2/src/trunk-gc-asserts/array.c:3091
  #31 0x00007ff608655368 in vm_call_cfunc_with_frame (cd=0x55f5dec32260, calling=<optimized out>, reg_cfp=0x7ff608bb3de0, ec=0x55f5de9e2590) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #32 vm_call_cfunc (ec=0x55f5de9e2590, reg_cfp=0x7ff608bb3de0, calling=<optimized out>, cd=0x55f5dec32260) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #33 0x00007ff60865f8cd in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #34 vm_exec_core (ec=0x55f5dea5fda0, ec@entry=0x55f5de9e2590, initial=initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:782
  #35 0x00007ff608665bcb in rb_vm_exec (ec=0x55f5de9e2590, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1925
  #36 0x00007ff6086666e1 in invoke_block (ec=ec@entry=0x55f5de9e2590, iseq=iseq@entry=0x55f5de9f18a0, self=self@entry=94514494562640, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1049
  #37 0x00007ff6086668be in invoke_iseq_block_from_c (me=<optimized out>, is_lambda=<optimized out>, cref=<optimized out>, passed_block_handler=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, argc=<optimized out>, self=<optimized out>, captured=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1121
  #38 invoke_block_from_c_bh (argc=<optimized out>, kw_splat=<optimized out>, passed_block_handler=<optimized out>, cref=<optimized out>, is_lambda=<optimized out>, force_blockarg=<optimized out>, argv=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1139
  #39 vm_yield (argc=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1184
  #40 rb_yield_0 (argv=<optimized out>, argc=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1168
  #41 rb_yield_1 (val=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1174
  #42 rb_yield (val=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_eval.c:1184
  #43 0x00007ff60841163c in rb_ary_collect (ary=94514499352280) at /tmp/ruby/v2/src/trunk-gc-asserts/array.c:3091
  #44 0x00007ff608655368 in vm_call_cfunc_with_frame (cd=0x55f5deb4a860, calling=<optimized out>, reg_cfp=0x7ff608bb3f30, ec=0x55f5de9e2590) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2522
  #45 vm_call_cfunc (ec=0x55f5de9e2590, reg_cfp=0x7ff608bb3f30, calling=<optimized out>, cd=0x55f5deb4a860) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:2542
  #46 0x00007ff60865f8cd in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/vm_insnhelper.c:4020
  #47 vm_exec_core (ec=0x55f5dea5fda0, initial=initial@entry=0) at ../../src/trunk-gc-asserts/insns.def:782
  #48 0x00007ff60866626f in rb_vm_exec (ec=0x55f5de9e2590, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:1934
  #49 0x00007ff608671210 in rb_iseq_eval_main (iseq=iseq@entry=0x55f5de9f2070) at /tmp/ruby/v2/src/trunk-gc-asserts/vm.c:2184
  #50 0x00007ff6084a3f4a in rb_ec_exec_node (ec=ec@entry=0x55f5de9e2590, n=n@entry=0x55f5de9f2070) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:289
  #51 0x00007ff6084aa879 in ruby_run_node (n=0x55f5de9f2070) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:347
  #52 0x000055f5dcbd5a1f in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/main.c:50
  >>> Dump Ruby level backtrace
  th: 0x55f5de9e1f70, native_id: 0x7ff608bb5d80
  -- Control frame information -----------------------------------------------
  c:0014 p:0003 s:0094 e:000093 METHOD <internal:gc>:34
    me:
      called_id: start, type: iseq
      owner class: 0x000055f5dea12d48 [3     ] T_CLASS 
    self: 0x000055f5dea13b08 [3LM   ] T_MODULE GC
    lvars:
      full_mark: T_TRUE
      immediate_mark: T_TRUE
      immediate_sweep: T_TRUE
      (null): T_FIXNUM 0
  c:0013 p:0056 s:0086 e:000085 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/leakchecker.rb:23
    me:
      called_id: check, type: iseq
      owner class: 0x000055f5dec83550 [3LM   ] T_CLASS LeakChecker
    self: 0x000055f5df267660 [0     ] T_OBJECT (LeakChecker)len:7 ptr:0x00007ff606f06cb8
    lvars:
      test_name: 0x000055f5df898228 [0     ] T_STRING (String)DRbTests::TestDRbSSLCore#test_06_timeout
      leaks: 0x000055f5df8cade0 [0     ] T_ARRAY (Array)[  T] len: 7, capa:7 ptr:0x00007ff606ef0ba8
  c:0012 p:0208 s:0080 e:000079 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/minitest/unit.rb:964 [FINISH]
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x000055f5dec82498 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x000055f5dedfe150 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055f5dee154b0
    lvars:
      method: 0x000055f5df267c00 [3LM R ] T_STRING (String)test_06_timeout
      inst: 0x000055f5df8777d0 [3LM   ] T_OBJECT (DRbTests::TestDRbSSLCore)len:11 ptr:0x00007ff606f35a10
      start_time: T_NIL
      result: 0x000055f5df8986d8 [0     ] T_STRING (String)E
  c:0011 p:---- s:0073 e:000072 CFUNC  :map
    me:
      called_id: map, type: cfunc
      owner class: 0x000055f5dea2e700 [3LM   ] T_CLASS Array
    self: 0x000055f5df2679a8 [1 M   ] T_ARRAY (Array)[  T] len: 18, capa:20 ptr:0x00007ff606f06948
  c:0010 p:0006 s:0069 e:000068 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/minitest/unit.rb:949
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x000055f5dec82498 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x000055f5dedfe150 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055f5dee154b0
    lvars:
      assertions: T_NIL
  c:0009 p:0167 s:0065 E:001cf0 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/minitest/unit.rb:976
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x000055f5dec82498 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x000055f5dedfe150 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055f5dee154b0
    lvars:
      suite: 0x000055f5df61c1e8 [3LM   ] T_CLASS DRbTests::TestDRbSSLCore
      type: T_SYMBOL test
      header: 0x000055f5df267f70 [0     ] T_STRING (String)test_suite_header
      filter: 0x000055f5defe92f8 [3LM   ] T_REGEXP 
      all_test_methods: 0x000055f5df2679f8 [0     ] T_ARRAY (Array)[   ] len: 18, capa:18 ptr:0x000055f5df286780
      filtered_test_methods: 0x000055f5df2679a8 [1 M   ] T_ARRAY (Array)[  T] len: 18, capa:20 ptr:0x00007ff606f06948
      leakchecker: 0x000055f5df267660 [0     ] T_OBJECT (LeakChecker)len:7 ptr:0x00007ff606f06cb8
      continuation: 0x000055f5df266210 [0     ] proc (Proc) block in _run_suite@/tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/minitest/unit.rb:948
  c:0008 p:0042 s:0053 e:000052 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/test/unit.rb:1065
    me:
      called_id: orig_run_suite, type: iseq
      owner class: 0x000055f5dec79168 [0LM  U] T_MODULE (Module)Test::Unit::ExcludesOption
      defined_class: 0x000055f5dec78948 [0LM  U] T_ICLASS src:Test::Unit::ExcludesOption
    self: 0x000055f5dedfe150 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055f5dee154b0
    lvars:
      suite: 0x000055f5df61c1e8 [3LM   ] T_CLASS DRbTests::TestDRbSSLCore
      type: T_SYMBOL test
      ex: T_NIL
  c:0007 p:0103 s:0046 E:001630 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/test/unit/parallel.rb:56
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x000055f5de9ea398 [3LM   ] T_CLASS Test::Unit::Worker
    self: 0x000055f5dedfe150 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055f5dee154b0
    lvars:
      suite: 0x000055f5df61c1e8 [3LM   ] T_CLASS DRbTests::TestDRbSSLCore
      type: T_SYMBOL test
      orig_testout: 0x000055f5dea1fa70 [0 M  U] T_FILE (IO)
      i: 0x000055f5df260838 [0 M  U] T_FILE (IO)
      o: 0x000055f5df260810 [0LM  U] T_FILE (IO)
      orig_stdin: 0x000055f5dea1fb10 [0 M  U] T_FILE (IO)
      orig_stdout: 0x000055f5dea1fa70 [0 M  U] T_FILE (IO)
      th: 0x000055f5df260798 [0 M  U] VM/thread (Thread)VM/thread
      e: T_FIXNUM 0
      f: T_FIXNUM 0
      s: T_FIXNUM 0
      result: T_NIL
  c:0006 p:0008 s:0030 e:000029 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/test/unit/parallel.rb:31 [FINISH]
    me:
      called_id: _run_suites, type: iseq
      owner class: 0x000055f5de9ea398 [3LM   ] T_CLASS Test::Unit::Worker
    self: 0x000055f5dedfe150 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055f5dee154b0
    lvars:
      suite: 0x000055f5df61c1e8 [3LM   ] T_CLASS DRbTests::TestDRbSSLCore
  c:0005 p:---- s:0026 e:000025 CFUNC  :map
    me:
      called_id: map, type: cfunc
      owner class: 0x000055f5dea2e700 [3LM   ] T_CLASS Array
    self: 0x000055f5df28f6d8 [2 M   ] T_ARRAY (Array)[E ] len: 2 (embed)
  c:0004 p:0005 s:0022 e:000021 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/test/unit/parallel.rb:30
    me:
      called_id: _run_suites, type: iseq
      owner class: 0x000055f5de9ea398 [3LM   ] T_CLASS Test::Unit::Worker
    self: 0x000055f5dedfe150 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055f5dee154b0
    lvars:
      suites: 0x000055f5df28f6d8 [2 M   ] T_ARRAY (Array)[E ] len: 2 (embed)
      type: T_SYMBOL test
  c:0003 p:0259 s:0016 e:000015 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/test/unit/parallel.rb:128
    me:
      called_id: run, type: iseq
      owner class: 0x000055f5de9ea398 [3LM   ] T_CLASS Test::Unit::Worker
    self: 0x000055f5dedfe150 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055f5dee154b0
    lvars:
      args: 0x000055f5dea1ec60 [3LM   ] T_ARRAY [E ] len: 0 (embed)
      buf: 0x000055f5ded5f500 [3     ] T_STRING (String)run /tmp/ruby/v2/src/trunk-gc-asserts/test/drb/test_drbssl.rb test
  
      suites: 0x000055f5ded5f168 [2     ] T_ARRAY (Array)[   ] len: 59, capa:59 ptr:0x000055f5df1bf680
      e: T_NIL
      trace: T_NIL
      err: T_NIL
  c:0002 p:0144 s:0006 e:000005 EVAL   /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/test/unit/parallel.rb:213 [FINISH]
    self: 0x000055f5dea55d78 [3LM   ] T_OBJECT len:0 ptr:0x0000000000000000
  c:0001 p:0000 s:0003 E:0007e0 (none) [FINISH]
    self: 0x000055f5dea55d78 [3LM   ] T_OBJECT len:0 ptr:0x0000000000000000
  
  th: 0x55f5df6988d0, native_id: 0x7ff603ae1700
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0012 e:000011 CFUNC  :readpartial
    me:
      called_id: readpartial, type: cfunc
      owner class: 0x000055f5dea22270 [3LM   ] T_CLASS IO
    self: 0x000055f5df260838 [0 M  U] T_FILE (IO)
  c:0002 p:0032 s:0007 e:000006 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/tool/lib/test/unit/parallel.rb:45 [FINISH]
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x000055f5de9ea398 [3LM   ] T_CLASS Test::Unit::Worker
    self: 0x000055f5dedfe150 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055f5dee154b0
    lvars:
      buf: 0x000055f5df839a48 [0     ] T_STRING (String).
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  th: 0x55f5df8704e0, native_id: 0x7ff5eeefa700
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0011 e:000010 CFUNC  :pop
    me:
      called_id: pop, type: cfunc
      owner class: 0x000055f5dea0b610 [3LM   ] T_CLASS Thread::Queue
    self: 0x000055f5df877528 [3LM   ] queue (Thread::Queue)queue
  c:0002 p:0024 s:0007 e:000006 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/extservm.rb:64 [FINISH]
    me:
      called_id: invoke_thread, type: iseq
      owner class: 0x000055f5df0175b8 [3LM   ] T_CLASS DRb::ExtServManager
    self: 0x000055f5df877668 [3LM   ] T_OBJECT (DRb::ExtServManager)len:8 ptr:0x00007ff606f35b08
    lvars:
      name: 0x000055f5df8751b0 [3LM   ] T_STRING (String)ut_drb_drbssl.rb
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  th: 0x55f5df879870, native_id: 0x7ff60016a700
  -- Control frame information -----------------------------------------------
  c:0011 p:---- s:0045 e:000044 CFUNC  :sleep
    me:
      called_id: sleep, type: cfunc
      owner class: 0x000055f5dea0b9f8 [3LM   ] T_CLASS Thread::Mutex
    self: 0x00007ff5d8143b58 [0LM  U] mutex (Thread::Mutex)mutex
  c:0010 p:---- s:0042 e:000041 CFUNC  :wait
    me:
      called_id: wait, type: cfunc
      owner class: 0x000055f5dea0ada0 [3LM   ] T_CLASS Thread::ConditionVariable
    self: 0x00007ff5d8143ab8 [3LM   ] condvar (Thread::ConditionVariable)condvar
  c:0009 p:---- s:0039 e:000038 CFUNC  :wait_for_cond
    me:
      called_id: wait_for_cond, type: cfunc
      owner class: 0x000055f5deea86a0 [3LM   ] T_CLASS Monitor
    self: 0x00007ff5d8143b80 [3LM   ] monitor (Monitor)monitor
  c:0008 p:0019 s:0033 e:000032 METHOD /tmp/ruby/v2/build/trunk-gc-asserts/.ext/common/monitor.rb:108
    me:
      called_id: wait, type: iseq
      owner class: 0x000055f5deea83a8 [3LM   ] T_CLASS MonitorMixin::ConditionVariable
    self: 0x00007ff5d8143ae0 [3LM   ] T_OBJECT (MonitorMixin::ConditionVariable)(embed) len:3
    lvars:
      timeout: T_NIL
  c:0007 p:0009 s:0028 e:000027 METHOD /tmp/ruby/v2/build/trunk-gc-asserts/.ext/common/monitor.rb:125
    me:
      called_id: wait_until, type: iseq
      owner class: 0x000055f5deea83a8 [3LM   ] T_CLASS MonitorMixin::ConditionVariable
    self: 0x00007ff5d8143ae0 [3LM   ] T_OBJECT (MonitorMixin::ConditionVariable)(embed) len:3
  c:0006 p:0007 s:0024 e:000023 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1238 [FINISH]
    me:
      called_id: _execute, type: iseq
      owner class: 0x000055f5df21d128 [3LM   ] T_CLASS DRb::ThreadObject
    self: 0x00007ff5d8143bd0 [3LM   ] T_OBJECT (DRb::ThreadObject)len:9 ptr:0x00007ff606f36e10
  c:0005 p:---- s:0021 e:000020 CFUNC  :synchronize
    me:
      called_id: synchronize, type: cfunc
      owner class: 0x000055f5deea86a0 [3LM   ] T_CLASS Monitor
    self: 0x00007ff5d8143b80 [3LM   ] monitor (Monitor)monitor
  c:0004 p:0009 s:0017 e:000016 METHOD /tmp/ruby/v2/build/trunk-gc-asserts/.ext/common/monitor.rb:202
    me:
      called_id: synchronize, type: iseq
      owner class: 0x000055f5deea8420 [0LM  U] T_MODULE MonitorMixin
      defined_class: 0x000055f5df21d088 [0LM  U] T_ICLASS src:MonitorMixin
    self: 0x00007ff5d8143bd0 [3LM   ] T_OBJECT (DRb::ThreadObject)len:9 ptr:0x00007ff606f36e10
    lvars:
      b: T_NIL
  c:0003 p:0004 s:0012 e:000011 METHOD /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1237
    me:
      called_id: _execute, type: iseq
      owner class: 0x000055f5df21d128 [3LM   ] T_CLASS DRb::ThreadObject
    self: 0x00007ff5d8143bd0 [3LM   ] T_OBJECT (DRb::ThreadObject)len:9 ptr:0x00007ff606f36e10
  c:0002 p:0014 s:0008 e:000007 BLOCK  /tmp/ruby/v2/src/trunk-gc-asserts/lib/drb/drb.rb:1262 [FINISH]
    me:
      called_id: make_pool, type: iseq
      owner class: 0x000055f5df21cf70 [3LM   ] T_CLASS 
    self: 0x000055f5df21cf98 [3LM   ] T_CLASS DRb::DRbConn
    lvars:
      queue: 0x00007ff5d8143bd0 [3LM   ] T_OBJECT (DRb::ThreadObject)len:9 ptr:0x00007ff606f36e10
      pool: 0x000055f5df89a0f0 [0     ] T_ARRAY (Array)[E ] len: 0 (embed)
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  $1 = 0
  ">>> Finish
  "
  [nil, 16386]
  "gdb -p 16385 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  running file: /tmp/ruby/v2/src/trunk-gc-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.
  
  16386:running:test_drbssl: Broken pipe
  [New LWP 23842]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  0x00007fc79439cd3f in check_rvalue_consistency_force (obj=obj@entry=94191998747560, terminate=1) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:1369
  1369	}
  >>> Machine level backtrace
  
  Thread 2 (Thread 0x7fc78fdc7700 (LWP 23842)):
  #0  0x00007fc793a93ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fc78fdc6d70, expected=0, futex_word=0x7fc78fdc6e88) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
  #1  __pthread_cond_wait_common (abstime=0x7fc78fdc6e50, mutex=0x7fc7948732a0 <thread_cache_lock>, cond=0x7fc78fdc6e60) at pthread_cond_wait.c:533
  #2  __pthread_cond_timedwait (cond=0x7fc78fdc6e60, mutex=0x7fc7948732a0 <thread_cache_lock>, abstime=0x7fc78fdc6e50) at pthread_cond_wait.c:667
  #3  0x00007fc794502088 in native_cond_timedwait (abs=<synthetic pointer>, mutex=0x7fc7948732a0 <thread_cache_lock>, cond=0x7fc78fdc6e60) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:529
  #4  register_cached_thread_and_wait (altstack=0x7fc788000b20) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:1031
  #5  thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/thread_pthread.c:976
  #6  0x00007fc793a8d6db in start_thread (arg=0x7fc78fdc7700) at pthread_create.c:463
  #7  0x00007fc793fe388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7fc794a93d80 (LWP 16385)):
  #0  0x00007fc79439cd3f in check_rvalue_consistency_force (obj=obj@entry=94191998747560, terminate=1) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:1369
  #1  0x00007fc7943a0e68 in check_rvalue_consistency (obj=94191998747560) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:1381
  #2  is_markable_object (objspace=<optimized out>, obj=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:3628
  #3  gc_mark (obj=94191998747560, objspace=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:5234
  #4  rb_gc_mark_movable (ptr=94191998747560) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:5241
  #5  0x00007fc7943d3c69 in rb_iseq_mark (iseq=0x55aac8a043f8) at /tmp/ruby/v2/src/trunk-gc-asserts/iseq.c:340
  #6  0x00007fc79439fccc in rb_objspace_reachable_objects_from (obj=obj@entry=94191998747640, func=func@entry=0x7fc79439d440 <check_generation_i>, data=data@entry=0x7ffcf3d96b10) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:9468
  #7  0x00007fc7943a1878 in verify_internal_consistency_i (ptr=0x7ffcf3d96b10, stride=40, page_end=<optimized out>, page_start=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:6016
  #8  objspace_each_objects_without_setup (callback=<optimized out>, objspace=<optimized out>, objspace=<optimized out>, data=0x7ffcf3d96b10) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:3000
  #9  gc_verify_internal_consistency (objspace=objspace@entry=0x55aac874a0f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:6174
  #10 0x00007fc7943a45c2 in gc_sweep_finish (objspace=0x55aac874a0f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:4334
  #11 gc_sweep_step (objspace=objspace@entry=0x55aac874a0f0, heap=heap@entry=0x55aac874a118) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:4392
  #12 0x00007fc7943a4e1b in gc_sweep_rest (objspace=0x55aac874a0f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:4408
  #13 gc_rest (objspace=objspace@entry=0x55aac874a0f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:7398
  #14 0x00007fc7943a6a98 in gc_rest (objspace=0x55aac874a0f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:2540
  #15 rb_objspace_call_finalizer (objspace=0x55aac874a0f0) at /tmp/ruby/v2/src/trunk-gc-asserts/gc.c:3484
  #16 0x00007fc79438865a in rb_ec_finalize (ec=0x55aac874a590) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:163
  #17 rb_ec_cleanup (ec=ec@entry=0x55aac874a590, ex=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:267
  #18 0x00007fc794388883 in ruby_run_node (n=0x55aac875e220) at /tmp/ruby/v2/src/trunk-gc-asserts/eval.c:347
  #19 0x000055aac6f21a1f in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/v2/src/trunk-gc-asserts/main.c:50
  >>> Dump Ruby level backtrace
  th: 0x55aac8749f70, native_id: 0x7fc794a93d80
  -- Control frame information -----------------------------------------------
  c:0001 p:0000 s:0003 E:0018b0 (none) [FINISH]
    self: 0x000055aac87bdd38 [3LM   ] T_OBJECT len:0 ptr:0x0000000000000000
  
  $1 = 0
  ">>> Finish
  "
  [nil, 16385]
  "gdb -p 16379 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  make: *** [yes-test-all] Killed
  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, 16379]
  #<Errno::ESRCH: No such process>
  "gdb -p 16377 -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 16377 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, 16377]
  "gdb -p 23830 -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, 23830]
  #<Errno::ESRCH: No such process>
    0.020000   0.004000 7927.940000 (10806.626009)
  /home/ko1/ruby/build-ruby/build-ruby.rb:150:in `each_line': execution expired (Timeout::Error)
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:150: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:149:in `block in cmd'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:146:in `popen'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:146:in `cmd'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:287:in `block in test_all'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:214:in `block in builddir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:213:in `chdir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:213:in `builddir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:286:in `test_all'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:342: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:340:in `block (3 levels) in run'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:339:in `each'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:339: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:338: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:337:in `run'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:500:in `<main>'
  total: 11119.61 sec