Result of trunk-asserts@phosphorus-docker at 2021-06-05 21:58:15 +0900

• NG (3208a5df2d) [LOG]

• Linux phosphorus-docker 4.9.0-15-amd64 #1 SMP Debian 4.9.258-1 (2021-03-08) x86_64 x86_64 x86_64 GNU/Linux
  

• rev: 3208a5df2d
  test-all : 
  test-spec: 
  exit statuses:
    "make update-unicode  DEFS=\"-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline\"" exit with 0.
    "make update-download DEFS=\"-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline\"" exit with 0.
    "make update-rubyspec DEFS=\"-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline\"" exit with 0.
    "make update-src      DEFS=\"-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline\"" exit with 0.
    "make after-update    DEFS=\"-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline\"" exit with 0.
    "make miniruby DEFS=\"-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline\"" exit with 0.
    "make ruby DEFS=\"-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline\"" exit with 0.
    "make all DEFS=\"-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline\"" exit with 0.
    "make install DEFS=\"-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline\"" exit with 0.
    "make yes-btest TESTS='-j6'" exit with 0.
    "make yes-test-basic TESTS='-j6'" exit with 0.
  Logfile: /home/ko1/ruby/logs/brlog.trunk-asserts.20210605-094051
  #<BuildRuby:0x000055b1bfa006d8
   @BUILD_DIR="/tmp/ruby/v3/build",
   @INSTALL_DIR="/tmp/ruby/v3/install",
   @REPOSITORY="https://github.com/ruby/ruby.git",
   @REPOSITORY_TYPE=:git,
   @SRC_DIR="/tmp/ruby/v3/src",
   @TARGET_BUILD_DIR="/tmp/ruby/v3/build/trunk-asserts",
   @TARGET_INSTALL_DIR="/tmp/ruby/v3/install/trunk-asserts",
   @TARGET_NAME="trunk-asserts",
   @TARGET_SRC_DIR="/tmp/ruby/v3/src/trunk-asserts",
   @build_opts="DEFS=\"-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline\"",
   @configure_opts=["--enable-shared"],
   @gist=false,
   @git_branch=nil,
   @git_worktree=nil,
   @incremental=true,
   @logfile="/home/ko1/ruby/logs/brlog.trunk-asserts.20210605-094051",
   @make="make",
   @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 (  0.000034)
  autoconf               0.000000   0.000000   0.000000 (  0.000059)
  configure              0.000000   0.000000   0.000000 (  0.000062)
  build_up               0.012000   0.000000  11.332000 ( 12.582886)
  build_miniruby         0.000000   0.000000   0.116000 (  0.131002)
  build_ruby             0.004000   0.000000   0.140000 (  0.149588)
  build_all              0.012000   0.000000  26.512000 ( 26.860741)
  build_install          0.032000   0.004000 125.544000 (125.911187)
  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_ractor.rb           .........................................................................................
  test_string.rb           .
  test_struct.rb           .
  test_syntax.rb           ............................................................................................................................................................
  test_thread.rb           .................................................
  Fiber count: 10000 (skipping)
  PASS all 1488 tests
    0.000000   0.000000 861.068000 (856.527401)
  test_basic             0.012000   0.004000  15.776000 ( 15.925342)
  test_all             Skipping Gem::PackageTask tests.  rake not found.
  $$$ #<Timeout::Error: execution expired>
  ### enter analyzing mode for stuck processes
  
  $$$ ps jx
   PPID   PID  PGID   SID TTY      TPGID STAT   UID   TIME COMMAND
     10    11    11    11 ?           -1 Ss    1001   0:00 sh build-loop.sh trunk-asserts --incremental --process-num=6
  22515  2286    11    11 ?           -1 R     1001   0:00 ps jx
     11 22512    11    11 ?           -1 Sl    1001   0:00 ruby ./br.rb build_report trunk-asserts --incremental --process-num=6
  22512 22514    11    11 ?           -1 S     1001   0:00 sh -c ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-asserts --logfile=/home/ko1/ruby/logs/brlog.trunk-asserts.20210605-094051 --root_dir=/tmp/ruby --timeout=10800 --build_opts='DEFS="-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline"'   --add-env=RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE=30 --incremental --process-num=6
  22514 22515    11    11 ?           -1 Sl    1001   0:00 ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-asserts --logfile=/home/ko1/ruby/logs/brlog.trunk-asserts.20210605-094051 --root_dir=/tmp/ruby --timeout=10800 --build_opts=DEFS="-DRGENGC_CHECK_MODE=2 -DRUBY_DEBUG=1 -fno-inline" --add-env=RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE=30 --incremental --process-num=6
  22515 25120    11    11 ?           -1 S     1001   0:00 sh -c make yes-test-all TESTS='-j6'
  25120 25121    11    11 ?           -1 S     1001   0:00 make yes-test-all TESTS=-j6
  25121 25128    11    11 ?           -1 S     1001   1:22 /tmp/ruby/v3/build/trunk-asserts/ruby --disable-gems /tmp/ruby/v3/src/trunk-asserts/test/runner.rb --ruby=./miniruby -I/tmp/ruby/v3/src/trunk-asserts/lib -I. -I.ext/common  /tmp/ruby/v3/src/trunk-asserts/tool/runruby.rb --extout=.ext  -- --disable-gems --excludes-dir=/tmp/ruby/v3/src/trunk-asserts/test/excludes --name=!/memory_leak/ -j6
  25128 25130    11    11 ?           -1 Sl    1001   2:44 /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit/parallel.rb
  25130 28541    11    11 ?           -1 Sl    1001   0:03 /tmp/ruby/v3/build/trunk-asserts/ruby /tmp/ruby/v3/src/trunk-asserts/test/drb/ut_drb.rb druby://localhost:42411 ut_drb.rb
  {10=>[11], 22515=>[2286, 25120], 11=>[22512], 22512=>[22514], 22514=>[22515], 25120=>[25121], 25121=>[25128], 25128=>[25130], 25130=>[28541]}
  "timeout 60 gdb -p 2286 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  ptrace: No such process.
  >>> ThreadsNo threads.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:12: Error in sourced command file:
  No symbol table is loaded.  Use the "file" command.
  [nil, 2286]
  #<Errno::ESRCH: No such process>
  "timeout 60 gdb -p 28541 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  [New LWP 28556]
  [New LWP 28557]
  [New LWP 28560]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  0x00007f96c7cbdbf6 in __ppoll (fds=fds@entry=0x7ffd84cb9f58, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
  44	../sysdeps/unix/sysv/linux/ppoll.c: No such file or directory.
  >>> Threads  Id   Target Id                                       Frame 
  * 1    Thread 0x7f96c7946ec0 (LWP 28541) "ruby"        0x00007f96c7cbdbf6 in __ppoll (fds=fds@entry=0x7ffd84cb9f58, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
    2    Thread 0x7f96c4e67700 (LWP 28556) "drb.rb:1555" 0x00007f96c7cc012b in __GI___select (nfds=7, readfds=0x7f96c0000f70, writefds=0x0, exceptfds=0x0, timeout=0x0) at ../sysdeps/unix/sysv/linux/select.c:41
    3    Thread 0x7f96c4d46700 (LWP 28557) "drb.rb:1259" futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e14e21b0e4) at ../sysdeps/nptl/futex-internal.h:183
    4    Thread 0x7f96c4c25700 (LWP 28560) "drb.rb:1713" futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f96c0006430) at ../sysdeps/nptl/futex-internal.h:183
  >>> Machine level backtrace
  
  Thread 4 (Thread 0x7f96c4c25700 (LWP 28560)):
  #0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f96c0006430) at ../sysdeps/nptl/futex-internal.h:183
  #1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f96c0006460, cond=0x7f96c0006408) at pthread_cond_wait.c:508
  #2  __pthread_cond_wait (cond=0x7f96c0006408, mutex=0x7f96c0006460) at pthread_cond_wait.c:638
  #3  0x00007f96c7f9747d in rb_native_cond_wait (cond=cond@entry=0x7f96c0006408, mutex=mutex@entry=0x7f96c0006460) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:545
  #4  0x00007f96c7f98be4 in native_cond_sleep (th=th@entry=0x7f96c0006390, rel=rel@entry=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1282
  #5  0x00007f96c7f9924d in native_sleep (th=th@entry=0x7f96c0006390, rel=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:2246
  #6  0x00007f96c7f9b934 in sleep_forever (th=0x7f96c0006390, fl=1) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1440
  #7  0x00007f96c7f9b99e in rb_thread_sleep_deadly_allow_spurious_wakeup (blocker=blocker@entry=140285525740760) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1535
  #8  0x00007f96c7f9b9ad in rb_mutex_sleep_forever (self=self@entry=140285525740760) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:526
  #9  0x00007f96c7e5e526 in rb_ensure (b_proc=b_proc@entry=0x7f96c7f9b9a0 <rb_mutex_sleep_forever>, data1=data1@entry=140285525740760, e_proc=e_proc@entry=0x7f96c7f9a7f0 <mutex_lock_uninterruptible>, data2=data2@entry=140285525740760) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #10 0x00007f96c7f9a8c9 in rb_mutex_sleep (self=140285525740760, timeout=8) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:558
  #11 0x00007f96c7fcacfc in vm_call0_cfunc_with_frame (ec=0x7f96c0006590, calling=<optimized out>, argv=0x7f96c4b23cc8) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:135
  #12 0x00007f96c7fde0b6 in vm_call0_body (ec=0x7f96c0006590, calling=0x7f96c4b23ae0, argv=0x7f96c4b23cc8) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:182
  #13 0x00007f96c7fdfe6f in vm_call0_cc (ec=ec@entry=0x7f96c0006590, recv=recv@entry=140285525740760, id=id@entry=24561, argc=argc@entry=1, argv=argv@entry=0x7f96c4b23cc8, cc=cc@entry=0x7f96c4eeb580, kw_splat=0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:72
  #14 0x00007f96c7fe05b7 in rb_funcallv_scope (recv=140285525740760, mid=24561, argc=1, argv=0x7f96c4b23cc8, scope=CALL_FCALL) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1019
  #15 0x00007f96c7e5e526 in rb_ensure (b_proc=b_proc@entry=0x7f96c7f93060 <do_sleep>, data1=data1@entry=140285521837248, e_proc=e_proc@entry=0x7f96c7f93740 <delete_from_waitq>, data2=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #16 0x00007f96c7f94413 in rb_condvar_wait (argc=2, argv=0x7f96c4b23ef0, self=140285525738080) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:1508
  #17 0x00007f96c7fcacfc in vm_call0_cfunc_with_frame (ec=0x7f96c0006590, calling=<optimized out>, argv=0x7f96c4b23ef0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:135
  #18 0x00007f96c7fde0b6 in vm_call0_body (ec=0x7f96c0006590, calling=0x7f96c4b23e00, argv=0x7f96c4b23ef0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:182
  #19 0x00007f96c7fdfe6f in vm_call0_cc (ec=ec@entry=0x7f96c0006590, recv=recv@entry=140285525738080, id=id@entry=24721, argc=argc@entry=2, argv=argv@entry=0x7f96c4b23ef0, cc=cc@entry=0x7f96c4eeb5a8, kw_splat=0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:72
  #20 0x00007f96c7fe05b7 in rb_funcallv_scope (recv=140285525738080, mid=24721, argc=argc@entry=2, argv=argv@entry=0x7f96c4b23ef0, scope=scope@entry=CALL_FCALL) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1019
  #21 0x00007f96c7fe060f in rb_funcallv (recv=<optimized out>, mid=<optimized out>, argc=argc@entry=2, argv=argv@entry=0x7f96c4b23ef0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1039
  #22 0x00007f96c4ec0b48 in monitor_wait_for_cond_body (v=v@entry=140285521838128) at /tmp/ruby/v3/src/trunk-asserts/ext/monitor/monitor.c:152
  #23 0x00007f96c7e5e526 in rb_ensure (b_proc=b_proc@entry=0x7f96c4ec0af0 <monitor_wait_for_cond_body>, data1=data1@entry=140285521838128, e_proc=e_proc@entry=0x7f96c4ec0750 <monitor_enter_for_cond>, data2=data2@entry=140285521838128) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #24 0x00007f96c4ec0a6f in monitor_wait_for_cond (monitor=<optimized out>, cond=<optimized out>, timeout=8) at /tmp/ruby/v3/src/trunk-asserts/ext/monitor/monitor.c:180
  #25 0x00007f96c7fcab38 in vm_call_cfunc_with_frame (ec=0x7f96c0006590, reg_cfp=0x7f96c4c249a0, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #26 0x00007f96c7fd4b3a in vm_sendish (ec=0x7f96c0006590, reg_cfp=0x7f96c4c249a0, cd=0x55e14e010960, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #27 0x00007f96c7fd507a in vm_exec_core (ec=0x7f96c0006590, initial=128) at ../../src/trunk-asserts/insns.def:773
  #28 0x00007f96c7fdc41b in rb_vm_exec (ec=0x7f96c0006590, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #29 0x00007f96c7fdd0eb in vm_yield (ec=0x7f96c0006590, argc=0, argv=0x0, kw_splat=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1395
  #30 0x00007f96c7e5e526 in rb_ensure (b_proc=0x7f96c4ec0650 <monitor_sync_body>, data1=140285525740800, e_proc=<optimized out>, data2=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #31 0x00007f96c7fcab38 in vm_call_cfunc_with_frame (ec=0x7f96c0006590, reg_cfp=0x7f96c4c24a80, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #32 0x00007f96c7fd4b3a in vm_sendish (ec=0x7f96c0006590, reg_cfp=0x7f96c4c24a80, cd=0x55e14e158c30, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #33 0x00007f96c7fdad74 in vm_exec_core (ec=0x7f96c0006590, initial=128) at ../../src/trunk-asserts/insns.def:754
  #34 0x00007f96c7fdc41b in rb_vm_exec (ec=0x7f96c0006590, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #35 0x00007f96c7fdd0eb in vm_yield (ec=0x7f96c0006590, argc=0, argv=0x0, kw_splat=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1395
  #36 0x00007f96c7e5e526 in rb_ensure (b_proc=0x7f96c4ec0650 <monitor_sync_body>, data1=140285525747440, e_proc=<optimized out>, data2=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #37 0x00007f96c7fcab38 in vm_call_cfunc_with_frame (ec=0x7f96c0006590, reg_cfp=0x7f96c4c24c40, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #38 0x00007f96c7fd4b3a in vm_sendish (ec=0x7f96c0006590, reg_cfp=0x7f96c4c24c40, cd=0x55e14e158c30, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #39 0x00007f96c7fdad74 in vm_exec_core (ec=0x7f96c0006590, initial=128) at ../../src/trunk-asserts/insns.def:754
  #40 0x00007f96c7fdc41b in rb_vm_exec (ec=0x7f96c0006590, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #41 0x00007f96c7fdd0eb in vm_yield (ec=0x7f96c0006590, argc=argc@entry=0, argv=argv@entry=0x0, kw_splat=kw_splat@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1395
  #42 0x00007f96c7fdd2cb in rb_yield_0 (argv=0x0, argc=0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1344
  #43 0x00007f96c7fdd425 in loop_i (_=_@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1443
  #44 0x00007f96c7e5df7a in rb_vrescue2 (b_proc=0x7f96c7fdd410 <loop_i>, data1=0, r_proc=0x7f96c7fc0450 <loop_stop>, data2=0, args=args@entry=0x7f96c4b24a40) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1023
  #45 0x00007f96c7e5e19e in rb_rescue2 (b_proc=<optimized out>, data1=<optimized out>, r_proc=<optimized out>, data2=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1000
  #46 0x00007f96c7fcab38 in vm_call_cfunc_with_frame (ec=0x7f96c0006590, reg_cfp=0x7f96c4c24d90, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #47 0x00007f96c7fd4b3a in vm_sendish (ec=0x7f96c0006590, reg_cfp=0x7f96c4c24d90, cd=0x55e14e238720, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #48 0x00007f96c7fdad74 in vm_exec_core (ec=0x7f96c0006590, initial=128) at ../../src/trunk-asserts/insns.def:754
  #49 0x00007f96c7fdc41b in rb_vm_exec (ec=0x7f96c0006590, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #50 0x00007f96c7fde03c in rb_vm_invoke_proc (ec=0x7f96c0006590, proc=proc@entry=0x7f96c0006360, argc=argc@entry=1, argv=argv@entry=0x7f96c4b24d80, kw_splat=0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1482
  #51 0x00007f96c7f9ace8 in thread_do_start_proc (th=0x7f96c0006390) at /tmp/ruby/v3/src/trunk-asserts/thread.c:738
  #52 0x00007f96c7f9ae06 in thread_do_start (th=0x7f96c0006390) at /tmp/ruby/v3/src/trunk-asserts/thread.c:759
  #53 0x00007f96c7f9b09b in thread_start_func_2 (th=<optimized out>, stack_start=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:824
  #54 0x00007f96c7f9b444 in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1051
  #55 0x00007f96c7b72609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #56 0x00007f96c7cca293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 3 (Thread 0x7f96c4d46700 (LWP 28557)):
  #0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e14e21b0e4) at ../sysdeps/nptl/futex-internal.h:183
  #1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55e14e21b110, cond=0x55e14e21b0b8) at pthread_cond_wait.c:508
  #2  __pthread_cond_wait (cond=0x55e14e21b0b8, mutex=0x55e14e21b110) at pthread_cond_wait.c:638
  #3  0x00007f96c7f9747d in rb_native_cond_wait (cond=cond@entry=0x55e14e21b0b8, mutex=mutex@entry=0x55e14e21b110) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:545
  #4  0x00007f96c7f98be4 in native_cond_sleep (th=th@entry=0x55e14e21b040, rel=rel@entry=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1282
  #5  0x00007f96c7f9924d in native_sleep (th=th@entry=0x55e14e21b040, rel=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:2246
  #6  0x00007f96c7f9b934 in sleep_forever (th=0x55e14e21b040, fl=1) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1440
  #7  0x00007f96c7f9b99e in rb_thread_sleep_deadly_allow_spurious_wakeup (blocker=blocker@entry=140285525740760) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1535
  #8  0x00007f96c7f9b9ad in rb_mutex_sleep_forever (self=self@entry=140285525740760) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:526
  #9  0x00007f96c7e5e526 in rb_ensure (b_proc=b_proc@entry=0x7f96c7f9b9a0 <rb_mutex_sleep_forever>, data1=data1@entry=140285525740760, e_proc=e_proc@entry=0x7f96c7f9a7f0 <mutex_lock_uninterruptible>, data2=data2@entry=140285525740760) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #10 0x00007f96c7f9a8c9 in rb_mutex_sleep (self=140285525740760, timeout=8) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:558
  #11 0x00007f96c7fcacfc in vm_call0_cfunc_with_frame (ec=0x55e14e18c860, calling=<optimized out>, argv=0x7f96c4c45448) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:135
  #12 0x00007f96c7fde0b6 in vm_call0_body (ec=0x55e14e18c860, calling=0x7f96c4c45260, argv=0x7f96c4c45448) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:182
  #13 0x00007f96c7fdfe6f in vm_call0_cc (ec=ec@entry=0x55e14e18c860, recv=recv@entry=140285525740760, id=id@entry=24561, argc=argc@entry=1, argv=argv@entry=0x7f96c4c45448, cc=cc@entry=0x7f96c4eeb580, kw_splat=0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:72
  #14 0x00007f96c7fe05b7 in rb_funcallv_scope (recv=140285525740760, mid=24561, argc=1, argv=0x7f96c4c45448, scope=CALL_FCALL) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1019
  #15 0x00007f96c7e5e526 in rb_ensure (b_proc=b_proc@entry=0x7f96c7f93060 <do_sleep>, data1=data1@entry=140285523022912, e_proc=e_proc@entry=0x7f96c7f93740 <delete_from_waitq>, data2=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #16 0x00007f96c7f94413 in rb_condvar_wait (argc=2, argv=0x7f96c4c45670, self=140285525737800) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:1508
  #17 0x00007f96c7fcacfc in vm_call0_cfunc_with_frame (ec=0x55e14e18c860, calling=<optimized out>, argv=0x7f96c4c45670) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:135
  #18 0x00007f96c7fde0b6 in vm_call0_body (ec=0x55e14e18c860, calling=0x7f96c4c45580, argv=0x7f96c4c45670) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:182
  #19 0x00007f96c7fdfe6f in vm_call0_cc (ec=ec@entry=0x55e14e18c860, recv=recv@entry=140285525737800, id=id@entry=24721, argc=argc@entry=2, argv=argv@entry=0x7f96c4c45670, cc=cc@entry=0x7f96c4eeb5a8, kw_splat=0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:72
  #20 0x00007f96c7fe05b7 in rb_funcallv_scope (recv=140285525737800, mid=24721, argc=argc@entry=2, argv=argv@entry=0x7f96c4c45670, scope=scope@entry=CALL_FCALL) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1019
  #21 0x00007f96c7fe060f in rb_funcallv (recv=<optimized out>, mid=<optimized out>, argc=argc@entry=2, argv=argv@entry=0x7f96c4c45670) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1039
  #22 0x00007f96c4ec0b48 in monitor_wait_for_cond_body (v=v@entry=140285523023792) at /tmp/ruby/v3/src/trunk-asserts/ext/monitor/monitor.c:152
  #23 0x00007f96c7e5e526 in rb_ensure (b_proc=b_proc@entry=0x7f96c4ec0af0 <monitor_wait_for_cond_body>, data1=data1@entry=140285523023792, e_proc=e_proc@entry=0x7f96c4ec0750 <monitor_enter_for_cond>, data2=data2@entry=140285523023792) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #24 0x00007f96c4ec0a6f in monitor_wait_for_cond (monitor=<optimized out>, cond=<optimized out>, timeout=8) at /tmp/ruby/v3/src/trunk-asserts/ext/monitor/monitor.c:180
  #25 0x00007f96c7fcab38 in vm_call_cfunc_with_frame (ec=0x55e14e18c860, reg_cfp=0x7f96c4d45c40, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #26 0x00007f96c7fd4b3a in vm_sendish (ec=0x55e14e18c860, reg_cfp=0x7f96c4d45c40, cd=0x55e14e010960, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #27 0x00007f96c7fd507a in vm_exec_core (ec=0x55e14e18c860, initial=128) at ../../src/trunk-asserts/insns.def:773
  #28 0x00007f96c7fdc41b in rb_vm_exec (ec=0x55e14e18c860, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #29 0x00007f96c7fdd0eb in vm_yield (ec=0x55e14e18c860, argc=0, argv=0x0, kw_splat=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1395
  #30 0x00007f96c7e5e526 in rb_ensure (b_proc=0x7f96c4ec0650 <monitor_sync_body>, data1=140285525740800, e_proc=<optimized out>, data2=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #31 0x00007f96c7fcab38 in vm_call_cfunc_with_frame (ec=0x55e14e18c860, reg_cfp=0x7f96c4d45d20, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #32 0x00007f96c7fd4b3a in vm_sendish (ec=0x55e14e18c860, reg_cfp=0x7f96c4d45d20, cd=0x55e14e158c30, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #33 0x00007f96c7fdad74 in vm_exec_core (ec=0x55e14e18c860, initial=128) at ../../src/trunk-asserts/insns.def:754
  #34 0x00007f96c7fdc41b in rb_vm_exec (ec=0x55e14e18c860, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #35 0x00007f96c7fde03c in rb_vm_invoke_proc (ec=0x55e14e18c860, proc=proc@entry=0x55e14e21b270, argc=argc@entry=1, argv=argv@entry=0x7f96c4c45d80, kw_splat=0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1482
  #36 0x00007f96c7f9ace8 in thread_do_start_proc (th=0x55e14e21b040) at /tmp/ruby/v3/src/trunk-asserts/thread.c:738
  #37 0x00007f96c7f9ae06 in thread_do_start (th=0x55e14e21b040) at /tmp/ruby/v3/src/trunk-asserts/thread.c:759
  #38 0x00007f96c7f9b09b in thread_start_func_2 (th=<optimized out>, stack_start=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:824
  #39 0x00007f96c7f9b444 in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1051
  #40 0x00007f96c7b72609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #41 0x00007f96c7cca293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 2 (Thread 0x7f96c4e67700 (LWP 28556)):
  #0  0x00007f96c7cc012b in __GI___select (nfds=7, readfds=0x7f96c0000f70, writefds=0x0, exceptfds=0x0, timeout=0x0) at ../sysdeps/unix/sysv/linux/select.c:41
  #1  0x00007f96c7f9caf4 in rb_fd_select (n=<optimized out>, readfds=<optimized out>, writefds=<optimized out>, exceptfds=<optimized out>, timeout=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:4093
  #2  0x00007f96c7f9cb05 in native_fd_select (n=<optimized out>, readfds=<optimized out>, writefds=<optimized out>, exceptfds=<optimized out>, timeout=<optimized out>, th=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1243
  #3  0x00007f96c7f9ccd4 in do_select (p=p@entry=140285524207664) at /tmp/ruby/v3/src/trunk-asserts/thread.c:4264
  #4  0x00007f96c7e5e526 in rb_ensure (b_proc=b_proc@entry=0x7f96c7f9cb10 <do_select>, data1=data1@entry=140285524207664, e_proc=e_proc@entry=0x7f96c7f9c7f0 <select_set_free>, data2=data2@entry=140285524207664) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #5  0x00007f96c7f9cec2 in rb_thread_fd_select (max=max@entry=7, read=<optimized out>, read@entry=0x7f96c4d66ac0, write=write@entry=0x0, except=except@entry=0x0, timeout=timeout@entry=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread.c:4390
  #6  0x00007f96c7e8df49 in select_internal (read=<optimized out>, write=<optimized out>, except=<optimized out>, tp=0x0, fds=0x7f96c4d66ac0) at /tmp/ruby/v3/src/trunk-asserts/io.c:9392
  #7  0x00007f96c7e5e526 in rb_ensure (b_proc=b_proc@entry=0x7f96c7e8e4a0 <select_call>, data1=data1@entry=140285524208288, e_proc=e_proc@entry=0x7f96c7e8aa30 <select_end>, data2=data2@entry=140285524208288) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #8  0x00007f96c7e8a974 in rb_f_select (argc=<optimized out>, argv=<optimized out>, obj=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/io.c:9810
  #9  0x00007f96c7fcab38 in vm_call_cfunc_with_frame (ec=0x55e14e204280, reg_cfp=0x7f96c4e66ce8, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #10 0x00007f96c7fd4b3a in vm_sendish (ec=0x55e14e204280, reg_cfp=0x7f96c4e66ce8, cd=0x55e14e226b60, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #11 0x00007f96c7fd507a in vm_exec_core (ec=0x55e14e204280, initial=140285443051376) at ../../src/trunk-asserts/insns.def:773
  #12 0x00007f96c7fdc41b in rb_vm_exec (ec=0x55e14e204280, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #13 0x00007f96c7fde03c in rb_vm_invoke_proc (ec=0x55e14e204280, proc=proc@entry=0x55e14e214d70, argc=argc@entry=0, argv=argv@entry=0x7f96c4d66d80, kw_splat=0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1482
  #14 0x00007f96c7f9ace8 in thread_do_start_proc (th=0x55e14e214da0) at /tmp/ruby/v3/src/trunk-asserts/thread.c:738
  #15 0x00007f96c7f9ae06 in thread_do_start (th=0x55e14e214da0) at /tmp/ruby/v3/src/trunk-asserts/thread.c:759
  #16 0x00007f96c7f9b09b in thread_start_func_2 (th=<optimized out>, stack_start=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:824
  #17 0x00007f96c7f9b444 in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1051
  #18 0x00007f96c7b72609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #19 0x00007f96c7cca293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7f96c7946ec0 (LWP 28541)):
  #0  0x00007f96c7cbdbf6 in __ppoll (fds=fds@entry=0x7ffd84cb9f58, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
  #1  0x00007f96c7f98f69 in rb_sigwait_sleep (th=th@entry=0x55e14df22f10, sigwait_fd=sigwait_fd@entry=3, rel=rel@entry=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:2111
  #2  0x00007f96c7f9931e in native_sleep (th=th@entry=0x55e14df22f10, rel=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:2232
  #3  0x00007f96c7f9b636 in thread_join_sleep (arg=arg@entry=140726831391056) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1191
  #4  0x00007f96c7e5e526 in rb_ensure (b_proc=b_proc@entry=0x7f96c7f9b4d0 <thread_join_sleep>, data1=data1@entry=140726831391056, e_proc=e_proc@entry=0x7f96c7f91680 <remove_from_join_list>, data2=data2@entry=140726831391056) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #5  0x00007f96c7f9517d in thread_join (target_th=0x55e14e214da0, timeout=8) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1241
  #6  0x00007f96c7fcab38 in vm_call_cfunc_with_frame (ec=0x55e14df23790, reg_cfp=0x7f96c7944fa0, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #7  0x00007f96c7fe41f7 in vm_call_method (ec=0x55e14df23790, cfp=0x7f96c7944fa0, calling=0x7ffd84cba270) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:3551
  #8  0x00007f96c7fd4b3a in vm_sendish (ec=0x55e14df23790, reg_cfp=0x7f96c7944fa0, cd=0x55e14e187630, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #9  0x00007f96c7fd507a in vm_exec_core (ec=0x55e14df23790, initial=1) at ../../src/trunk-asserts/insns.def:773
  #10 0x00007f96c7fdc41b in rb_vm_exec (ec=0x7f96c7944ef8, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #11 0x00007f96c7e5b6f3 in rb_ec_exec_node (ec=ec@entry=0x55e14df23790, n=n@entry=0x7f96c4efd2d0) at /tmp/ruby/v3/src/trunk-asserts/eval.c:317
  #12 0x00007f96c7e6007f in ruby_run_node (n=0x7f96c4efd2d0) at /tmp/ruby/v3/src/trunk-asserts/eval.c:375
  #13 0x000055e14c7b21d3 in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/main.c:47
  >>> Dump Ruby level backtrace
  th: 0x55e14df22f10, native_id: 0x7f96c7946ec0
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0011 e:000010 CFUNC  :join
    me:
      called_id: join, type: cfunc
      owner class: 0x00007f96c7809340 [3LM R ] T_CLASS Thread
    self: 0x00007f96c4edf5c8 [0LM  U] VM/thread (Thread)VM/thread
  c:0002 p:0163 s:0007 E:002168 EVAL   /tmp/ruby/v3/src/trunk-asserts/test/drb/ut_drb.rb:187 [FINISH]
    self: 0x00007f96c77e44f0 [3LM   ] T_OBJECT (embed) len:3
    lvars:
      es: 0x00007f96c4edec40 [3LM   ] T_OBJECT (DRb::ExtServ)len:5 ptr:0x000055e14e207e30
  c:0001 p:0000 s:0003 E:0009b0 (none) [FINISH]
    self: 0x00007f96c77e44f0 [3LM   ] T_OBJECT (embed) len:3
  
  th: 0x55e14e214da0, native_id: 0x7f96c4e67700
  -- Control frame information -----------------------------------------------
  c:0006 p:---- s:0027 e:000026 CFUNC  :select
    me:
      called_id: select, type: cfunc
      owner class: 0x00007f96c77ff818 [3LM   ] T_CLASS (annon)
    self: 0x00007f96c77ff840 [3LM R ] T_CLASS IO
  c:0005 p:0019 s:0022 e:000021 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:986
    me:
      called_id: accept_or_shutdown, type: iseq
      owner class: 0x00007f96c4ec6d98 [3LM R ] T_CLASS DRb::DRbTCPSocket
    self: 0x00007f96c4ed8110 [3LM   ] T_OBJECT (DRb::DRbTCPSocket)len:7 ptr:0x000055e14e207130
    lvars:
      readables: T_NIL
  c:0004 p:0007 s:0017 e:000016 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:972
    me:
      called_id: accept, type: iseq
      owner class: 0x00007f96c4ec6d98 [3LM R ] T_CLASS DRb::DRbTCPSocket
    self: 0x00007f96c4ed8110 [3LM   ] T_OBJECT (DRb::DRbTCPSocket)len:7 ptr:0x000055e14e207130
    lvars:
      s: T_NIL
      uri: T_NIL
  c:0003 p:0005 s:0011 e:000010 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1711
    me:
      called_id: main_loop, type: iseq
      owner class: 0x00007f96c4ec47a0 [3LM R ] T_CLASS DRb::DRbServer
    self: 0x00007f96c4ed8ae8 [3LM   ] T_OBJECT (DRb::DRbServer)len:10 ptr:0x000055e14e1f97f0
    lvars:
      client0: T_NIL
  c:0002 p:0008 s:0006 e:000005 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1557 [FINISH]
    me:
      called_id: run, type: iseq
      owner class: 0x00007f96c4ec47a0 [3LM R ] T_CLASS DRb::DRbServer
    self: 0x00007f96c4ed8ae8 [3LM   ] T_OBJECT (DRb::DRbServer)len:10 ptr:0x000055e14e1f97f0
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  th: 0x55e14e21b040, native_id: 0x7f96c4d46700
  -- Control frame information -----------------------------------------------
  c:0011 p:---- s:0045 e:000044 CFUNC  :sleep
    me:
      called_id: sleep, type: cfunc
      owner class: 0x00007f96c780d4b8 [3LM   ] T_CLASS Thread::Mutex
    self: 0x00007f96c4edccd8 [0LM  U] mutex (Thread::Mutex)mutex
  c:0010 p:---- s:0042 e:000041 CFUNC  :wait
    me:
      called_id: wait, type: cfunc
      owner class: 0x00007f96c780ca68 [3LM   ] T_CLASS Thread::ConditionVariable
    self: 0x00007f96c4edc148 [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: 0x00007f96c4eea748 [3LM   ] T_CLASS Monitor
    self: 0x00007f96c4edcd00 [3LM R ] monitor (Monitor)monitor
  c:0008 p:0019 s:0033 e:000032 METHOD /tmp/ruby/v3/build/trunk-asserts/.ext/common/monitor.rb:108
    me:
      called_id: wait, type: iseq
      owner class: 0x00007f96c4eea4a0 [3LM   ] T_CLASS MonitorMixin::ConditionVariable
    self: 0x00007f96c4edc198 [3LM   ] T_OBJECT (MonitorMixin::ConditionVariable)(embed) len:3
    lvars:
      timeout: T_NIL
  c:0007 p:0009 s:0028 e:000027 METHOD /tmp/ruby/v3/build/trunk-asserts/.ext/common/monitor.rb:125
    me:
      called_id: wait_until, type: iseq
      owner class: 0x00007f96c4eea4a0 [3LM   ] T_CLASS MonitorMixin::ConditionVariable
    self: 0x00007f96c4edc198 [3LM   ] T_OBJECT (MonitorMixin::ConditionVariable)(embed) len:3
  c:0006 p:0006 s:0024 e:000023 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1238 [FINISH]
    me:
      called_id: _execute, type: iseq
      owner class: 0x00007f96c4ec5740 [3LM   ] T_CLASS DRb::ThreadObject
    self: 0x00007f96c4edceb8 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x000055e14e14a880
  c:0005 p:---- s:0021 e:000020 CFUNC  :synchronize
    me:
      called_id: synchronize, type: cfunc
      owner class: 0x00007f96c4eea748 [3LM   ] T_CLASS Monitor
    self: 0x00007f96c4edcd00 [3LM R ] monitor (Monitor)monitor
  c:0004 p:0009 s:0017 e:000016 METHOD /tmp/ruby/v3/build/trunk-asserts/.ext/common/monitor.rb:202
    me:
      called_id: synchronize, type: iseq
      owner class: 0x00007f96c4eea4f0 [3LM   ] T_MODULE MonitorMixin
      defined_class: 0x00007f96c4ec55b0 [3LM   ] T_ICLASS src:MonitorMixin
    self: 0x00007f96c4edceb8 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x000055e14e14a880
    lvars:
      b: T_NIL
  c:0003 p:0004 s:0012 e:000011 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1237
    me:
      called_id: _execute, type: iseq
      owner class: 0x00007f96c4ec5740 [3LM   ] T_CLASS DRb::ThreadObject
    self: 0x00007f96c4edceb8 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x000055e14e14a880
  c:0002 p:0014 s:0008 e:000007 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1262 [FINISH]
    me:
      called_id: make_pool, type: iseq
      owner class: 0x00007f96c4ec5010 [3LM   ] T_CLASS (annon)
    self: 0x00007f96c4ec50d8 [3LM   ] T_CLASS DRb::DRbConn
    lvars:
      queue: 0x00007f96c4edceb8 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x000055e14e14a880
      pool: 0x00007f96c4ef00a8 [1     ] T_ARRAY (Array)[E ] len: 0 (embed)
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  th: 0x7f96c0006390, native_id: 0x7f96c4c25700
  -- Control frame information -----------------------------------------------
  c:0023 p:---- s:0114 e:000113 CFUNC  :sleep
    me:
      called_id: sleep, type: cfunc
      owner class: 0x00007f96c780d4b8 [3LM   ] T_CLASS Thread::Mutex
    self: 0x00007f96c4edccd8 [0LM  U] mutex (Thread::Mutex)mutex
  c:0022 p:---- s:0111 e:000110 CFUNC  :wait
    me:
      called_id: wait, type: cfunc
      owner class: 0x00007f96c780ca68 [3LM   ] T_CLASS Thread::ConditionVariable
    self: 0x00007f96c4edc260 [3LM   ] condvar (Thread::ConditionVariable)condvar
  c:0021 p:---- s:0108 e:000107 CFUNC  :wait_for_cond
    me:
      called_id: wait_for_cond, type: cfunc
      owner class: 0x00007f96c4eea748 [3LM   ] T_CLASS Monitor
    self: 0x00007f96c4edcd00 [3LM R ] monitor (Monitor)monitor
  c:0020 p:0019 s:0102 e:000101 METHOD /tmp/ruby/v3/build/trunk-asserts/.ext/common/monitor.rb:108
    me:
      called_id: wait, type: iseq
      owner class: 0x00007f96c4eea4a0 [3LM   ] T_CLASS MonitorMixin::ConditionVariable
    self: 0x00007f96c4edc620 [3LM   ] T_OBJECT (MonitorMixin::ConditionVariable)(embed) len:3
    lvars:
      timeout: T_NIL
  c:0019 p:0009 s:0097 e:000096 METHOD /tmp/ruby/v3/build/trunk-asserts/.ext/common/monitor.rb:125
    me:
      called_id: wait_until, type: iseq
      owner class: 0x00007f96c4eea4a0 [3LM   ] T_CLASS MonitorMixin::ConditionVariable
    self: 0x00007f96c4edc620 [3LM   ] T_OBJECT (MonitorMixin::ConditionVariable)(embed) len:3
  c:0018 p:0006 s:0093 e:000092 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1223 [FINISH]
    me:
      called_id: method_missing, type: iseq
      owner class: 0x00007f96c4ec5740 [3LM   ] T_CLASS DRb::ThreadObject
    self: 0x00007f96c4edceb8 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x000055e14e14a880
    lvars:
      value: T_NIL
  c:0017 p:---- s:0089 e:000088 CFUNC  :synchronize
    me:
      called_id: synchronize, type: cfunc
      owner class: 0x00007f96c4eea748 [3LM   ] T_CLASS Monitor
    self: 0x00007f96c4edcd00 [3LM R ] monitor (Monitor)monitor
  c:0016 p:0009 s:0085 e:000084 METHOD /tmp/ruby/v3/build/trunk-asserts/.ext/common/monitor.rb:202
    me:
      called_id: synchronize, type: iseq
      owner class: 0x00007f96c4eea4f0 [3LM   ] T_MODULE MonitorMixin
      defined_class: 0x00007f96c4ec55b0 [3LM   ] T_ICLASS src:MonitorMixin
    self: 0x00007f96c4edceb8 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x000055e14e14a880
    lvars:
      b: T_NIL
  c:0015 p:0004 s:0080 e:000079 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1222
    me:
      called_id: method_missing, type: iseq
      owner class: 0x00007f96c4ec5740 [3LM   ] T_CLASS DRb::ThreadObject
    self: 0x00007f96c4edceb8 [3LM R ] T_OBJECT (DRb::ThreadObject)len:10 ptr:0x000055e14e14a880
    lvars:
      msg: T_SYMBOL take
      arg: 0x00007f96c4ed09b0 [0     ] T_ARRAY (Array)[E ] len: 1 (embed)
      blk: T_NIL
  c:0014 p:0023 s:0073 e:000072 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1300
    me:
      called_id: open, type: iseq
      owner class: 0x00007f96c4ec5010 [3LM   ] T_CLASS (annon)
    self: 0x00007f96c4ec50d8 [3LM   ] T_CLASS DRb::DRbConn
    lvars:
      remote_uri: 0x00007f96c4eef5e0 [3LM   ] T_STRING (String)druby://localhost:42411
      conn: T_NIL
      succ: T_NIL
      result: T_NIL
  c:0013 p:0015 s:0065 e:000064 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1142
    me:
      called_id: method_missing, type: iseq
      owner class: 0x00007f96c7833e38 [3LM R ] T_CLASS DRb::DRbObject
    self: 0x00007f96c4eed4e8 [3LM   ] T_OBJECT (DRb::DRbObject)(embed) len:3
  c:0012 p:0021 s:0062 e:000061 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1161
    me:
      called_id: with_friend, type: iseq
      owner class: 0x00007f96c7833190 [3LM   ] T_CLASS (annon)
    self: 0x00007f96c7833e38 [3LM R ] T_CLASS DRb::DRbObject
    lvars:
      uri: 0x00007f96c4eef5e0 [3LM   ] T_STRING (String)druby://localhost:42411
      friend: T_NIL
      save: T_NIL
  c:0011 p:0074 s:0055 e:000054 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1141
    me:
      called_id: method_missing, type: iseq
      owner class: 0x00007f96c7833e38 [3LM R ] T_CLASS DRb::DRbObject
    self: 0x00007f96c4eed4e8 [3LM   ] T_OBJECT (DRb::DRbObject)(embed) len:3
    lvars:
      msg_id: T_SYMBOL unregist
      a: 0x00007f96c4ed0de8 [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:0008 s:0044 e:000043 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/extserv.rb:32 [FINISH]
    me:
      called_id: stop_service, type: iseq
      owner class: 0x00007f96c4ecc400 [3LM   ] T_CLASS DRb::ExtServ
    self: 0x00007f96c4edec40 [3LM   ] T_OBJECT (DRb::ExtServ)len:5 ptr:0x000055e14e207e30
    lvars:
      server: T_NIL
  c:0009 p:---- s:0040 e:000039 CFUNC  :synchronize
    me:
      called_id: synchronize, type: cfunc
      owner class: 0x00007f96c4eea748 [3LM   ] T_CLASS Monitor
    self: 0x00007f96c4ede6f0 [3LM R ] monitor (Monitor)monitor
  c:0008 p:0009 s:0036 e:000035 METHOD /tmp/ruby/v3/build/trunk-asserts/.ext/common/monitor.rb:202
    me:
      called_id: synchronize, type: iseq
      owner class: 0x00007f96c4eea4f0 [3LM   ] T_MODULE MonitorMixin
      defined_class: 0x00007f96c4ecd378 [3LM   ] T_ICLASS src:MonitorMixin
    self: 0x00007f96c4edec40 [3LM   ] T_OBJECT (DRb::ExtServ)len:5 ptr:0x000055e14e207e30
    lvars:
      b: T_NIL
  c:0007 p:0004 s:0031 e:000030 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/extserv.rb:31
    me:
      called_id: stop_service, type: iseq
      owner class: 0x00007f96c4ecc400 [3LM   ] T_CLASS DRb::ExtServ
    self: 0x00007f96c4edec40 [3LM   ] T_OBJECT (DRb::ExtServ)len:5 ptr:0x000055e14e207e30
  c:0006 p:0074 s:0027 e:000026 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1681
    me:
      called_id: perform_without_block, type: iseq
      owner class: 0x00007f96c4ecacb8 [3LM   ] T_CLASS DRb::DRbServer::InvokeMethod
    self: 0x00007f96c4ed2378 [0     ] T_OBJECT (DRb::DRbServer::InvokeMethod)len:8 ptr:0x00007f96c7762e78
    lvars:
      ary: T_NIL
  c:0005 p:0029 s:0022 e:000021 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1637
    me:
      called_id: perform, type: iseq
      owner class: 0x00007f96c4ecacb8 [3LM   ] T_CLASS DRb::DRbServer::InvokeMethod
    self: 0x00007f96c4ed2378 [0     ] T_OBJECT (DRb::DRbServer::InvokeMethod)len:8 ptr:0x00007f96c7762e78
  c:0004 p:0025 s:0018 e:000017 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1725 [FINISH]
    me:
      called_id: main_loop, type: iseq
      owner class: 0x00007f96c4ec47a0 [3LM R ] T_CLASS DRb::DRbServer
    self: 0x00007f96c4ed8ae8 [3LM   ] T_OBJECT (DRb::DRbServer)len:10 ptr:0x000055e14e1f97f0
    lvars:
      succ: T_FALSE
      invoke_method: 0x00007f96c4ed2378 [0     ] T_OBJECT (DRb::DRbServer::InvokeMethod)len:8 ptr:0x00007f96c7762e78
      result: T_NIL
      e: T_NIL
  c:0003 p:---- s:0011 e:000010 CFUNC  :loop
    me:
      called_id: loop, type: cfunc
      owner class: 0x00007f96c77e6638 [3LM   ] T_MODULE Kernel
      defined_class: 0x00007f96c77e65e8 [3LM R ] T_ICLASS src:Kernel
    self: 0x00007f96c4ed8ae8 [3LM   ] T_OBJECT (DRb::DRbServer)len:10 ptr:0x000055e14e1f97f0
  c:0002 p:0061 s:0007 e:000006 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1721 [FINISH]
    me:
      called_id: main_loop, type: iseq
      owner class: 0x00007f96c4ec47a0 [3LM R ] T_CLASS DRb::DRbServer
    self: 0x00007f96c4ed8ae8 [3LM   ] T_OBJECT (DRb::DRbServer)len:10 ptr:0x000055e14e1f97f0
    lvars:
      client: 0x00007f96c4ed2738 [0     ] T_OBJECT (DRb::DRbTCPSocket)len:7 ptr:0x00007f96c7762da0
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  $1 = 0
  ">>> Finish
  "[Inferior 1 (process 28541) detached]
  [nil, 28541]
  "timeout 60 gdb -p 25130 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  [New LWP 25158]
  [New LWP 28261]
  [New LWP 28499]
  [New LWP 28538]
  [New LWP 28558]
  [New LWP 28559]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  RB_FL_TEST (obj=139679634286640, flags=1024) at /tmp/ruby/v3/src/trunk-asserts/include/ruby/internal/fl_type.h:282
  282	    if (RB_FL_ABLE(obj)) {
  >>> Threads  Id   Target Id                                          Frame 
  * 1    Thread 0x7f09b311bec0 (LWP 25130) "ruby"           RB_FL_TEST (obj=139679634286640, flags=1024) at /tmp/ruby/v3/src/trunk-asserts/include/ruby/internal/fl_type.h:282
    2    Thread 0x7f09b062e700 (LWP 25158) "parallel.rb:43" futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f09b052daa0, clockid=<optimized out>, expected=0, futex_word=0x5611318da2b0) at ../sysdeps/nptl/futex-internal.h:320
    3    Thread 0x7f09abbb3700 (LWP 28261) "extservm.rb:63" futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f09abbb2e00, clockid=<optimized out>, expected=0, futex_word=0x7f09abbb2e88) at ../sysdeps/nptl/futex-internal.h:320
    4    Thread 0x7f09abf80700 (LWP 28499) "drb.rb:1555"    0x00007f09b349512b in __GI___select (nfds=9, readfds=0x7f09a00039d0, writefds=0x0, exceptfds=0x0, timeout=0x0) at ../sysdeps/unix/sysv/linux/select.c:41
    5    Thread 0x7f09b04ef700 (LWP 28538) "extservm.rb:63" 0x00007f09b3492bf6 in __ppoll (fds=fds@entry=0x7f09b03ee8e8, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
    6    Thread 0x7f09aba92700 (LWP 28558) "drb.rb:1713"    futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f09aba91e00, clockid=<optimized out>, expected=0, futex_word=0x7f09aba91e88) at ../sysdeps/nptl/futex-internal.h:320
    7    Thread 0x7f09ab971700 (LWP 28559) "drb.rb:1259"    futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561131850fc4) at ../sysdeps/nptl/futex-internal.h:183
  >>> Machine level backtrace
  
  Thread 7 (Thread 0x7f09ab971700 (LWP 28559)):
  #0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561131850fc4) at ../sysdeps/nptl/futex-internal.h:183
  #1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x561131850ff0, cond=0x561131850f98) at pthread_cond_wait.c:508
  #2  __pthread_cond_wait (cond=0x561131850f98, mutex=0x561131850ff0) at pthread_cond_wait.c:638
  #3  0x00007f09b376c47d in rb_native_cond_wait (cond=cond@entry=0x561131850f98, mutex=mutex@entry=0x561131850ff0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:545
  #4  0x00007f09b376dbe4 in native_cond_sleep (th=th@entry=0x561131850f20, rel=rel@entry=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1282
  #5  0x00007f09b376e24d in native_sleep (th=th@entry=0x561131850f20, rel=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:2246
  #6  0x00007f09b3770934 in sleep_forever (th=0x561131850f20, fl=1) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1440
  #7  0x00007f09b377099e in rb_thread_sleep_deadly_allow_spurious_wakeup (blocker=blocker@entry=139679588058560) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1535
  #8  0x00007f09b37709ad in rb_mutex_sleep_forever (self=self@entry=139679588058560) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:526
  #9  0x00007f09b3633526 in rb_ensure (b_proc=b_proc@entry=0x7f09b37709a0 <rb_mutex_sleep_forever>, data1=data1@entry=139679588058560, e_proc=e_proc@entry=0x7f09b376f7f0 <mutex_lock_uninterruptible>, data2=data2@entry=139679588058560) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #10 0x00007f09b376f8c9 in rb_mutex_sleep (self=139679588058560, timeout=8) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:558
  #11 0x00007f09b379fcfc in vm_call0_cfunc_with_frame (ec=0x561131773bd0, calling=<optimized out>, argv=0x7f09ab870448) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:135
  #12 0x00007f09b37b30b6 in vm_call0_body (ec=0x561131773bd0, calling=0x7f09ab870260, argv=0x7f09ab870448) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:182
  #13 0x00007f09b37b4e6f in vm_call0_cc (ec=ec@entry=0x561131773bd0, recv=recv@entry=139679588058560, id=id@entry=24561, argc=argc@entry=1, argv=argv@entry=0x7f09ab870448, cc=cc@entry=0x7f09abd67048, kw_splat=0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:72
  #14 0x00007f09b37b55b7 in rb_funcallv_scope (recv=139679588058560, mid=24561, argc=1, argv=0x7f09ab870448, scope=CALL_FCALL) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1019
  #15 0x00007f09b3633526 in rb_ensure (b_proc=b_proc@entry=0x7f09b3768060 <do_sleep>, data1=data1@entry=139679509185600, e_proc=e_proc@entry=0x7f09b3768740 <delete_from_waitq>, data2=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #16 0x00007f09b3769413 in rb_condvar_wait (argc=2, argv=0x7f09ab870670, self=139679588058320) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:1508
  #17 0x00007f09b379fcfc in vm_call0_cfunc_with_frame (ec=0x561131773bd0, calling=<optimized out>, argv=0x7f09ab870670) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:135
  #18 0x00007f09b37b30b6 in vm_call0_body (ec=0x561131773bd0, calling=0x7f09ab870580, argv=0x7f09ab870670) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:182
  #19 0x00007f09b37b4e6f in vm_call0_cc (ec=ec@entry=0x561131773bd0, recv=recv@entry=139679588058320, id=id@entry=24721, argc=argc@entry=2, argv=argv@entry=0x7f09ab870670, cc=cc@entry=0x7f09abd67070, kw_splat=0) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:72
  #20 0x00007f09b37b55b7 in rb_funcallv_scope (recv=139679588058320, mid=24721, argc=argc@entry=2, argv=argv@entry=0x7f09ab870670, scope=scope@entry=CALL_FCALL) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1019
  #21 0x00007f09b37b560f in rb_funcallv (recv=<optimized out>, mid=<optimized out>, argc=argc@entry=2, argv=argv@entry=0x7f09ab870670) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1039
  #22 0x00007f09b063cb48 in monitor_wait_for_cond_body (v=v@entry=139679509186480) at /tmp/ruby/v3/src/trunk-asserts/ext/monitor/monitor.c:152
  #23 0x00007f09b3633526 in rb_ensure (b_proc=b_proc@entry=0x7f09b063caf0 <monitor_wait_for_cond_body>, data1=data1@entry=139679509186480, e_proc=e_proc@entry=0x7f09b063c750 <monitor_enter_for_cond>, data2=data2@entry=139679509186480) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #24 0x00007f09b063ca6f in monitor_wait_for_cond (monitor=<optimized out>, cond=<optimized out>, timeout=8) at /tmp/ruby/v3/src/trunk-asserts/ext/monitor/monitor.c:180
  #25 0x00007f09b379fb38 in vm_call_cfunc_with_frame (ec=0x561131773bd0, reg_cfp=0x7f09ab970c40, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #26 0x00007f09b37a9b3a in vm_sendish (ec=0x561131773bd0, reg_cfp=0x7f09ab970c40, cd=0x5611314ff0c0, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #27 0x00007f09b37aa07a in vm_exec_core (ec=0x561131773bd0, initial=128) at ../../src/trunk-asserts/insns.def:773
  #28 0x00007f09b37b141b in rb_vm_exec (ec=0x561131773bd0, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #29 0x00007f09b37b20eb in vm_yield (ec=0x561131773bd0, argc=0, argv=0x0, kw_splat=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1395
  #30 0x00007f09b3633526 in rb_ensure (b_proc=0x7f09b063c650 <monitor_sync_body>, data1=139679588058680, e_proc=<optimized out>, data2=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #31 0x00007f09b379fb38 in vm_call_cfunc_with_frame (ec=0x561131773bd0, reg_cfp=0x7f09ab970d20, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #32 0x00007f09b37a9b3a in vm_sendish (ec=0x561131773bd0, reg_cfp=0x7f09ab970d20, cd=0x56113141b8b0, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #33 0x00007f09b37afd74 in vm_exec_core (ec=0x561131773bd0, initial=128) at ../../src/trunk-asserts/insns.def:754
  #34 0x00007f09b37b141b in rb_vm_exec (ec=0x561131773bd0, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #35 0x00007f09b37b303c in rb_vm_invoke_proc (ec=0x561131773bd0, proc=proc@entry=0x56113196fe50, argc=argc@entry=1, argv=argv@entry=0x7f09ab870d80, kw_splat=0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1482
  #36 0x00007f09b376fce8 in thread_do_start_proc (th=0x561131850f20) at /tmp/ruby/v3/src/trunk-asserts/thread.c:738
  #37 0x00007f09b376fe06 in thread_do_start (th=0x561131850f20) at /tmp/ruby/v3/src/trunk-asserts/thread.c:759
  #38 0x00007f09b377009b in thread_start_func_2 (th=<optimized out>, stack_start=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:824
  #39 0x00007f09b3770444 in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1051
  #40 0x00007f09b3347609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #41 0x00007f09b349f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 6 (Thread 0x7f09aba92700 (LWP 28558)):
  #0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f09aba91e00, clockid=<optimized out>, expected=0, futex_word=0x7f09aba91e88) at ../sysdeps/nptl/futex-internal.h:320
  #1  __pthread_cond_wait_common (abstime=0x7f09aba91e00, clockid=<optimized out>, mutex=0x7f09b393d080 <thread_cache_lock>, cond=0x7f09aba91e60) at pthread_cond_wait.c:520
  #2  __pthread_cond_timedwait (cond=0x7f09aba91e60, mutex=0x7f09b393d080 <thread_cache_lock>, abstime=0x7f09aba91e00) at pthread_cond_wait.c:656
  #3  0x00007f09b3766ad9 in native_cond_timedwait (cond=cond@entry=0x7f09aba91e60, mutex=mutex@entry=0x7f09b393d080 <thread_cache_lock>, abs=abs@entry=0x7f09aba91e58) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:565
  #4  0x00007f09b376dc78 in register_cached_thread_and_wait (altstack=altstack@entry=0x7f09a0005bc0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1113
  #5  0x00007f09b377044c in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1058
  #6  0x00007f09b3347609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #7  0x00007f09b349f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 5 (Thread 0x7f09b04ef700 (LWP 28538)):
  #0  0x00007f09b3492bf6 in __ppoll (fds=fds@entry=0x7f09b03ee8e8, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
  #1  0x00007f09b376df69 in rb_sigwait_sleep (th=th@entry=0x561131716620, sigwait_fd=sigwait_fd@entry=3, rel=rel@entry=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:2111
  #2  0x00007f09b376e31e in native_sleep (th=th@entry=0x561131716620, rel=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:2232
  #3  0x00007f09b3770934 in sleep_forever (th=0x561131716620, fl=1) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1440
  #4  0x00007f09b377099e in rb_thread_sleep_deadly_allow_spurious_wakeup (blocker=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1535
  #5  0x00007f09b37709ad in rb_mutex_sleep_forever (self=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:526
  #6  0x00007f09b3633526 in rb_ensure (b_proc=b_proc@entry=0x7f09b37709c0 <queue_sleep>, data1=data1@entry=139679587718760, e_proc=e_proc@entry=0x7f09b3768760 <queue_sleep_done>, data2=data2@entry=139679588346544) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #7  0x00007f09b376af81 in queue_do_pop (self=139679587718760, q=0x561131968040, should_block=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_sync.c:1027
  #8  0x00007f09b379fb38 in vm_call_cfunc_with_frame (ec=0x5611318da470, reg_cfp=0x7f09b04eed90, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #9  0x00007f09b37a9b3a in vm_sendish (ec=0x5611318da470, reg_cfp=0x7f09b04eed90, cd=0x56113198f300, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #10 0x00007f09b37aa07a in vm_exec_core (ec=0x5611318da470, initial=1) at ../../src/trunk-asserts/insns.def:773
  #11 0x00007f09b37b141b in rb_vm_exec (ec=0x5611318da470, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #12 0x00007f09b37b303c in rb_vm_invoke_proc (ec=0x5611318da470, proc=proc@entry=0x561131825930, argc=argc@entry=0, argv=argv@entry=0x7f09b03eed80, kw_splat=0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1482
  #13 0x00007f09b376fce8 in thread_do_start_proc (th=0x561131716620) at /tmp/ruby/v3/src/trunk-asserts/thread.c:738
  #14 0x00007f09b376fe06 in thread_do_start (th=0x561131716620) at /tmp/ruby/v3/src/trunk-asserts/thread.c:759
  #15 0x00007f09b377009b in thread_start_func_2 (th=<optimized out>, stack_start=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:824
  #16 0x00007f09b3770444 in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1051
  #17 0x00007f09b3347609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #18 0x00007f09b349f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 4 (Thread 0x7f09abf80700 (LWP 28499)):
  #0  0x00007f09b349512b in __GI___select (nfds=9, readfds=0x7f09a00039d0, writefds=0x0, exceptfds=0x0, timeout=0x0) at ../sysdeps/unix/sysv/linux/select.c:41
  #1  0x00007f09b3771af4 in rb_fd_select (n=<optimized out>, readfds=<optimized out>, writefds=<optimized out>, exceptfds=<optimized out>, timeout=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:4093
  #2  0x00007f09b3771b05 in native_fd_select (n=<optimized out>, readfds=<optimized out>, writefds=<optimized out>, exceptfds=<optimized out>, timeout=<optimized out>, th=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1243
  #3  0x00007f09b3771cd4 in do_select (p=p@entry=139679515539504) at /tmp/ruby/v3/src/trunk-asserts/thread.c:4264
  #4  0x00007f09b3633526 in rb_ensure (b_proc=b_proc@entry=0x7f09b3771b10 <do_select>, data1=data1@entry=139679515539504, e_proc=e_proc@entry=0x7f09b37717f0 <select_set_free>, data2=data2@entry=139679515539504) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #5  0x00007f09b3771ec2 in rb_thread_fd_select (max=max@entry=9, read=<optimized out>, read@entry=0x7f09abe7fac0, write=write@entry=0x0, except=except@entry=0x0, timeout=timeout@entry=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread.c:4390
  #6  0x00007f09b3662f49 in select_internal (read=<optimized out>, write=<optimized out>, except=<optimized out>, tp=0x0, fds=0x7f09abe7fac0) at /tmp/ruby/v3/src/trunk-asserts/io.c:9392
  #7  0x00007f09b3633526 in rb_ensure (b_proc=b_proc@entry=0x7f09b36634a0 <select_call>, data1=data1@entry=139679515540128, e_proc=e_proc@entry=0x7f09b365fa30 <select_end>, data2=data2@entry=139679515540128) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #8  0x00007f09b365f974 in rb_f_select (argc=<optimized out>, argv=<optimized out>, obj=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/io.c:9810
  #9  0x00007f09b379fb38 in vm_call_cfunc_with_frame (ec=0x56113195a470, reg_cfp=0x7f09abf7fce8, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #10 0x00007f09b37a9b3a in vm_sendish (ec=0x56113195a470, reg_cfp=0x7f09abf7fce8, cd=0x5611319dc0e0, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #11 0x00007f09b37aa07a in vm_exec_core (ec=0x56113195a470, initial=139679315802576) at ../../src/trunk-asserts/insns.def:773
  #12 0x00007f09b37b141b in rb_vm_exec (ec=0x56113195a470, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #13 0x00007f09b37b303c in rb_vm_invoke_proc (ec=0x56113195a470, proc=proc@entry=0x56113191f310, argc=argc@entry=0, argv=argv@entry=0x7f09abe7fd80, kw_splat=0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1482
  #14 0x00007f09b376fce8 in thread_do_start_proc (th=0x561131858320) at /tmp/ruby/v3/src/trunk-asserts/thread.c:738
  #15 0x00007f09b376fe06 in thread_do_start (th=0x561131858320) at /tmp/ruby/v3/src/trunk-asserts/thread.c:759
  #16 0x00007f09b377009b in thread_start_func_2 (th=<optimized out>, stack_start=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:824
  #17 0x00007f09b3770444 in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1051
  #18 0x00007f09b3347609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #19 0x00007f09b349f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 3 (Thread 0x7f09abbb3700 (LWP 28261)):
  #0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f09abbb2e00, clockid=<optimized out>, expected=0, futex_word=0x7f09abbb2e88) at ../sysdeps/nptl/futex-internal.h:320
  #1  __pthread_cond_wait_common (abstime=0x7f09abbb2e00, clockid=<optimized out>, mutex=0x7f09b393d080 <thread_cache_lock>, cond=0x7f09abbb2e60) at pthread_cond_wait.c:520
  #2  __pthread_cond_timedwait (cond=0x7f09abbb2e60, mutex=0x7f09b393d080 <thread_cache_lock>, abstime=0x7f09abbb2e00) at pthread_cond_wait.c:656
  #3  0x00007f09b3766ad9 in native_cond_timedwait (cond=cond@entry=0x7f09abbb2e60, mutex=mutex@entry=0x7f09b393d080 <thread_cache_lock>, abs=abs@entry=0x7f09abbb2e58) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:565
  #4  0x00007f09b376dc78 in register_cached_thread_and_wait (altstack=altstack@entry=0x7f09a4001da0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1113
  #5  0x00007f09b377044c in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1058
  #6  0x00007f09b3347609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #7  0x00007f09b349f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 2 (Thread 0x7f09b062e700 (LWP 25158)):
  #0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f09b052daa0, clockid=<optimized out>, expected=0, futex_word=0x5611318da2b0) at ../sysdeps/nptl/futex-internal.h:320
  #1  __pthread_cond_wait_common (abstime=0x7f09b052daa0, clockid=<optimized out>, mutex=0x56113114fb00, cond=0x5611318da288) at pthread_cond_wait.c:520
  #2  __pthread_cond_timedwait (cond=0x5611318da288, mutex=0x56113114fb00, abstime=0x7f09b052daa0) at pthread_cond_wait.c:656
  #3  0x00007f09b3766ad9 in native_cond_timedwait (cond=cond@entry=0x5611318da288, mutex=mutex@entry=0x56113114fb00, abs=abs@entry=0x7f09b393cfe0 <abs>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:565
  #4  0x00007f09b376d5a5 in do_gvl_timer (gvl=gvl@entry=0x56113114faf8, th=th@entry=0x5611318da210) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:251
  #5  0x00007f09b376d6b3 in gvl_acquire_common (gvl=0x56113114faf8, th=0x5611318da210) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:289
  #6  0x00007f09b376da52 in gvl_yield (gvl=0x56113114faf8, th=th@entry=0x5611318da210) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:374
  #7  0x00007f09b376f0cd in rb_thread_schedule_limits (limits_us=limits_us@entry=100000) at /tmp/ruby/v3/src/trunk-asserts/thread.c:1593
  #8  0x00007f09b376f1d0 in rb_threadptr_execute_interrupts (th=0x5611318da210, blocking_timing=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:2498
  #9  0x00007f09b379ac46 in vm_pop_frame (ec=0x561131962d60, cfp=0x7f09b062dd58, ep=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:412
  #10 0x00007f09b37ace07 in vm_exec_core (ec=0x561131962d60, initial=137) at ../../src/trunk-asserts/insns.def:906
  #11 0x00007f09b37b141b in rb_vm_exec (ec=0x561131962d60, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #12 0x00007f09b37b303c in rb_vm_invoke_proc (ec=0x561131962d60, proc=proc@entry=0x561131962f70, argc=argc@entry=0, argv=argv@entry=0x7f09b052dd80, kw_splat=0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1482
  #13 0x00007f09b376fce8 in thread_do_start_proc (th=0x5611318da210) at /tmp/ruby/v3/src/trunk-asserts/thread.c:738
  #14 0x00007f09b376fe06 in thread_do_start (th=0x5611318da210) at /tmp/ruby/v3/src/trunk-asserts/thread.c:759
  #15 0x00007f09b377009b in thread_start_func_2 (th=<optimized out>, stack_start=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread.c:824
  #16 0x00007f09b3770444 in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:1051
  #17 0x00007f09b3347609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #18 0x00007f09b349f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7f09b311bec0 (LWP 25130)):
  #0  RB_FL_TEST (obj=139679634286640, flags=1024) at /tmp/ruby/v3/src/trunk-asserts/include/ruby/internal/fl_type.h:282
  #1  0x00007f09b3647260 in obj_memsize_of (obj=139679634286640, use_all_types=0) at /tmp/ruby/v3/src/trunk-asserts/gc.c:4546
  #2  0x00007f09b364a0e7 in check_rvalue_consistency_force (obj=139679634286640, terminate=1) at /tmp/ruby/v3/src/trunk-asserts/gc.c:1372
  #3  0x00007f09b364a3df in check_rvalue_consistency (obj=obj@entry=139679634286640) at /tmp/ruby/v3/src/trunk-asserts/gc.c:1434
  #4  0x00007f09b364b54e in is_markable_object (obj=obj@entry=139679634286640, objspace=0x56113114f0c0) at /tmp/ruby/v3/src/trunk-asserts/gc.c:4295
  #5  0x00007f09b364d8d5 in gc_mark (objspace=0x56113114f0c0, obj=139679634286640) at /tmp/ruby/v3/src/trunk-asserts/gc.c:6717
  #6  0x00007f09b364de44 in gc_mark_children (objspace=0x56113114f0c0, obj=139679591481360) at /tmp/ruby/v3/src/trunk-asserts/gc.c:6889
  #7  0x00007f09b364e50d in rb_objspace_reachable_objects_from (obj=139679591481360, func=<optimized out>, data=0x7ffd95f6a4b0) at /tmp/ruby/v3/src/trunk-asserts/gc.c:10883
  #8  0x00007f09b364e6da in verify_internal_consistency_i (page_start=<optimized out>, page_end=0x7f09b06efff8, stride=40, ptr=0x7ffd95f6a4b0) at /tmp/ruby/v3/src/trunk-asserts/gc.c:7534
  #9  0x00007f09b3645a40 in objspace_each_objects_try (arg=arg@entry=140727119422528) at /tmp/ruby/v3/src/trunk-asserts/gc.c:3566
  #10 0x00007f09b3633526 in rb_ensure (b_proc=b_proc@entry=0x7f09b3645980 <objspace_each_objects_try>, data1=data1@entry=140727119422528, e_proc=e_proc@entry=0x7f09b363fdc0 <objspace_each_objects_ensure>, data2=data2@entry=140727119422528) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #11 0x00007f09b364f714 in objspace_each_objects (objspace=0x56113114f0c0, callback=0x7f09b364e520 <verify_internal_consistency_i>, data=0x7ffd95f6a4b0, protected=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/gc.c:3666
  #12 0x00007f09b364f7a0 in gc_verify_internal_consistency_ (objspace=0x56113114f0c0) at /tmp/ruby/v3/src/trunk-asserts/gc.c:7721
  #13 0x00007f09b364f95b in gc_verify_internal_consistency (objspace=objspace@entry=0x56113114f0c0) at /tmp/ruby/v3/src/trunk-asserts/gc.c:7798
  #14 0x00007f09b364f5ed in gc_rest (objspace=objspace@entry=0x56113114f0c0) at /tmp/ruby/v3/src/trunk-asserts/gc.c:8997
  #15 0x00007f09b364f739 in objspace_each_objects (objspace=0x56113114f0c0, callback=0x7f09b3642800 <os_obj_of_i>, data=0x7ffd95f6a5e0, protected=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/gc.c:3631
  #16 0x00007f09b364fd70 in os_obj_of (of=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/gc.c:3752
  #17 0x00007f09b364fde8 in os_each_obj (argc=<optimized out>, argv=0x7f09b301a320, os=139679634392720) at /tmp/ruby/v3/src/trunk-asserts/gc.c:3799
  #18 0x00007f09b379fb38 in vm_call_cfunc_with_frame (ec=0x56113114f790, reg_cfp=0x7f09b3119d00, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #19 0x00007f09b37b91f7 in vm_call_method (ec=0x56113114f790, cfp=0x7f09b3119d00, calling=0x7ffd95f6a720) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:3551
  #20 0x00007f09b37a9b3a in vm_sendish (ec=0x56113114f790, reg_cfp=0x7f09b3119d00, cd=0x5611312b12d0, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #21 0x00007f09b37afd74 in vm_exec_core (ec=0x56113114f790, initial=1024) at ../../src/trunk-asserts/insns.def:754
  #22 0x00007f09b37b141b in rb_vm_exec (ec=0x7f09b3119c58, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #23 0x00007f09b37b20eb in vm_yield (ec=0x56113114f790, argc=argc@entry=1, argv=argv@entry=0x7ffd95f6a8e8, kw_splat=kw_splat@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1395
  #24 0x00007f09b37b244e in rb_yield_0 (argv=argv@entry=0x7ffd95f6a8e8, argc=1) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1344
  #25 0x00007f09b37b248d in rb_yield (val=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1360
  #26 0x00007f09b35c7537 in rb_ary_collect (ary=139679514955280) at /tmp/ruby/v3/src/trunk-asserts/array.c:3657
  #27 0x00007f09b379fb38 in vm_call_cfunc_with_frame (ec=0x56113114f790, reg_cfp=0x7f09b3119de0, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #28 0x00007f09b37a9b3a in vm_sendish (ec=0x56113114f790, reg_cfp=0x7f09b3119de0, cd=0x56113131b810, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #29 0x00007f09b37afd74 in vm_exec_core (ec=0x56113114f790, initial=1024) at ../../src/trunk-asserts/insns.def:754
  #30 0x00007f09b37b141b in rb_vm_exec (ec=0x56113114f790, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #31 0x00007f09b37b20eb in vm_yield (ec=0x56113114f790, argc=argc@entry=1, argv=argv@entry=0x7ffd95f6ab68, kw_splat=kw_splat@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1395
  #32 0x00007f09b37b244e in rb_yield_0 (argv=argv@entry=0x7ffd95f6ab68, argc=1) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1344
  #33 0x00007f09b37b248d in rb_yield (val=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1360
  #34 0x00007f09b35c7537 in rb_ary_collect (ary=139679588172520) at /tmp/ruby/v3/src/trunk-asserts/array.c:3657
  #35 0x00007f09b379fb38 in vm_call_cfunc_with_frame (ec=0x56113114f790, reg_cfp=0x7f09b3119f30, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #36 0x00007f09b37a9b3a in vm_sendish (ec=0x56113114f790, reg_cfp=0x7f09b3119f30, cd=0x5611312595f0, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #37 0x00007f09b37afd74 in vm_exec_core (ec=0x56113114f790, initial=1024) at ../../src/trunk-asserts/insns.def:754
  #38 0x00007f09b37b141b in rb_vm_exec (ec=0x7f09b3119cc8, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #39 0x00007f09b36306f3 in rb_ec_exec_node (ec=ec@entry=0x56113114f790, n=n@entry=0x7f09b2ff9d90) at /tmp/ruby/v3/src/trunk-asserts/eval.c:317
  #40 0x00007f09b363507f in ruby_run_node (n=0x7f09b2ff9d90) at /tmp/ruby/v3/src/trunk-asserts/eval.c:375
  #41 0x000056112f6d31d3 in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/main.c:47
  >>> Dump Ruby level backtrace
  th: 0x56113114ef10, native_id: 0x7f09b311bec0
  -- Control frame information -----------------------------------------------
  c:0015 p:---- s:0102 e:000101 CFUNC  :each_object
    me:
      called_id: each_object, type: cfunc
      owner class: 0x00007f09b2fd8618 [3LM R ] T_CLASS (annon)
    self: 0x00007f09b2fd8690 [3LM   ] T_MODULE ObjectSpace
  c:0014 p:0087 s:0097 e:000096 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/leakchecker.rb:70
    me:
      called_id: check_fd_leak, type: iseq
      owner class: 0x00007f09b07080f8 [3LM   ] T_CLASS LeakChecker
    self: 0x00007f09abdf09b0 [2     ] T_OBJECT (LeakChecker)len:7 ptr:0x00005611319cc0c0
    lvars:
      test_name: 0x00007f09abdcc830 [0     ] T_STRING (String)DRbTests::TestDRbCore#test_06_timeout
      leaked: T_TRUE
      live1: 0x00007f09b0356e78 [0     ] T_ARRAY (Array)[   ] len: 9, capa:9 ptr:0x00005611319ec2d0
      live2: 0x00007f09abdd3f90 [0     ] T_ARRAY (Array)[   ] len: 12, capa:12 ptr:0x0000561131988510
      fd_closed: 0x00007f09abdd3f18 [0     ] T_ARRAY (Array)[E ] len: 0 (embed)
      fd_leaked: 0x00007f09abdd3e78 [0     ] T_ARRAY (Array)[E ] len: 3 (embed)
      h: 0x00007f09abdd3e50 [0     ] T_HASH (Hash)[A ] 0
  c:0013 p:0040 s:0086 e:000085 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/leakchecker.rb:22
    me:
      called_id: check, type: iseq
      owner class: 0x00007f09b07080f8 [3LM   ] T_CLASS LeakChecker
    self: 0x00007f09abdf09b0 [2     ] T_OBJECT (LeakChecker)len:7 ptr:0x00005611319cc0c0
    lvars:
      test_name: 0x00007f09abdcc830 [0     ] T_STRING (String)DRbTests::TestDRbCore#test_06_timeout
      leaks: T_NIL
  c:0012 p:0204 s:0080 e:000079 BLOCK  /tmp/ruby/v3/src/trunk-asserts/tool/lib/minitest/unit.rb:981 [FINISH]
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x00007f09b06d1828 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x00007f09b0680b08 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x00005611316051b0
    lvars:
      method: 0x00007f09abdf1068 [2     ] T_STRING (String)test_06_timeout
      inst: 0x00007f09b0355b90 [0     ] T_OBJECT (DRbTests::TestDRbCore)len:11 ptr:0x00007f09b2f3a4f0
      start_time: T_NIL
      result: 0x00007f09abdcce20 [0     ] T_STRING (String)E
  c:0011 p:---- s:0073 e:000072 CFUNC  :map
    me:
      called_id: map, type: cfunc
      owner class: 0x00007f09b2fc9c30 [3LM R ] T_CLASS Array
    self: 0x00007f09abdf0e10 [2     ] T_ARRAY (Array)[   ] len: 18, capa:20 ptr:0x0000561131957730
  c:0010 p:0005 s:0069 e:000068 BLOCK  /tmp/ruby/v3/src/trunk-asserts/tool/lib/minitest/unit.rb:966
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x00007f09b06d1828 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x00007f09b0680b08 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x00005611316051b0
    lvars:
      assertions: T_NIL
  c:0009 p:0161 s:0065 E:001930 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/minitest/unit.rb:993
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x00007f09b06d1828 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x00007f09b0680b08 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x00005611316051b0
    lvars:
      suite: 0x00007f09b03c1818 [3LM R ] T_CLASS DRbTests::TestDRbCore
      type: T_SYMBOL test
      header: 0x00007f09abdf1450 [2     ] T_STRING (String)test_suite_header
      filter: 0x00007f09b3008cc8 [3LM   ] T_REGEXP 
      all_test_methods: 0x00007f09abdf0e60 [2     ] T_ARRAY (Array)[   ] len: 18, capa:18 ptr:0x000056113198d240
      filtered_test_methods: 0x00007f09abdf0e10 [2     ] T_ARRAY (Array)[   ] len: 18, capa:20 ptr:0x0000561131957730
      leakchecker: 0x00007f09abdf09b0 [2     ] T_OBJECT (LeakChecker)len:7 ptr:0x00005611319cc0c0
      continuation: 0x00007f09abdf71e8 [2     ] proc (Proc) block in _run_suite@/tmp/ruby/v3/src/trunk-asserts/tool/lib/minitest/unit.rb:965
  c:0008 p:0042 s:0053 e:000052 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:1134
    me:
      called_id: orig_run_suite, type: iseq
      owner class: 0x00007f09b06fa188 [3LM   ] T_MODULE (Module)Test::Unit::ExcludesOption
      defined_class: 0x00007f09b06f96c0 [3LM   ] T_ICLASS src:Test::Unit::ExcludesOption
    self: 0x00007f09b0680b08 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x00005611316051b0
    lvars:
      suite: 0x00007f09b03c1818 [3LM R ] T_CLASS DRbTests::TestDRbCore
      type: T_SYMBOL test
      ex: T_NIL
  c:0007 p:0102 s:0046 E:000c30 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit/parallel.rb:55
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x00007f09b06e5648 [3LM R ] T_CLASS Test::Unit::Worker
    self: 0x00007f09b0680b08 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x00005611316051b0
    lvars:
      suite: 0x00007f09b03c1818 [3LM R ] T_CLASS DRbTests::TestDRbCore
      type: T_SYMBOL test
      orig_testout: 0x00007f09b2fd1a98 [0LM  U] T_FILE (IO)
      i: 0x00007f09abdf1978 [0    U] T_FILE (IO)
      o: 0x00007f09abdf1950 [0LM  U] T_FILE (IO)
      orig_stdin: 0x00007f09b2fd1ae8 [0LM  U] T_FILE (IO)
      orig_stdout: 0x00007f09b2fd1a98 [0LM  U] T_FILE (IO)
      th: 0x00007f09abdf18b0 [0    U] VM/thread (Thread)VM/thread
      e: T_FIXNUM 0
      f: T_FIXNUM 0
      s: T_FIXNUM 0
      result: T_NIL
  c:0006 p:0007 s:0030 e:000029 BLOCK  /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit/parallel.rb:31 [FINISH]
    me:
      called_id: _run_suites, type: iseq
      owner class: 0x00007f09b06e5648 [3LM R ] T_CLASS Test::Unit::Worker
    self: 0x00007f09b0680b08 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x00005611316051b0
    lvars:
      suite: 0x00007f09b03c1818 [3LM R ] T_CLASS DRbTests::TestDRbCore
  c:0005 p:---- s:0026 e:000025 CFUNC  :map
    me:
      called_id: map, type: cfunc
      owner class: 0x00007f09b2fc9c30 [3LM R ] T_CLASS Array
    self: 0x00007f09b03c42e8 [2     ] T_ARRAY (Array)[   ] len: 12, capa:20 ptr:0x00005611319ccbf0
  c:0004 p:0005 s:0022 e:000021 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit/parallel.rb:30
    me:
      called_id: _run_suites, type: iseq
      owner class: 0x00007f09b06e5648 [3LM R ] T_CLASS Test::Unit::Worker
    self: 0x00007f09b0680b08 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x00005611316051b0
    lvars:
      suites: 0x00007f09b03c42e8 [2     ] T_ARRAY (Array)[   ] len: 12, capa:20 ptr:0x00005611319ccbf0
      type: T_SYMBOL test
  c:0003 p:0262 s:0016 E:002690 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit/parallel.rb:125
    me:
      called_id: run, type: iseq
      owner class: 0x00007f09b06e5648 [3LM R ] T_CLASS Test::Unit::Worker
    self: 0x00007f09b0680b08 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x00005611316051b0
    lvars:
      args: 0x00007f09b2fd0f58 [3LM   ] T_ARRAY [E ] len: 0 (embed)
      buf: 0x00007f09abd99660 [3LM   ] T_STRING (String)run /tmp/ruby/v3/src/trunk-asserts/test/drb/test_drb.rb test
  
      suites: 0x00007f09abd99430 [3LM   ] T_ARRAY (Array)[   ] len: 38, capa:38 ptr:0x00005611318a4350
      e: T_NIL
      trace: T_NIL
      err: T_NIL
  c:0002 p:0142 s:0006 E:001b80 EVAL   /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit/parallel.rb:208 [FINISH]
    self: 0x00007f09b2fb84d0 [3LM   ] T_OBJECT (embed) len:3
  c:0001 p:0000 s:0003 E:000320 (none) [FINISH]
    self: 0x00007f09b2fb84d0 [3LM   ] T_OBJECT (embed) len:3
  
  th: 0x5611318da210, native_id: 0x7f09b062e700
  -- Control frame information -----------------------------------------------
  c:0003 p:0065 s:0014 e:000013 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit/parallel.rb:160
    me:
      called_id: _report, type: iseq
      owner class: 0x00007f09b06e5648 [3LM R ] T_CLASS Test::Unit::Worker
    self: 0x00007f09b0680b08 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x00005611316051b0
    lvars:
      res: 0x00007f09b2ff9548 [3LM   ] T_STRING (String)p
      args: 0x00007f09abdcc768 [0     ] T_ARRAY (Array)[E ] len: 1 (embed)
      e: T_NIL
  c:0002 p:0014 s:0007 e:000006 BLOCK  /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit/parallel.rb:46 [FINISH]
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x00007f09b06e5648 [3LM R ] T_CLASS Test::Unit::Worker
    self: 0x00007f09b0680b08 [3LM   ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x00005611316051b0
    lvars:
      buf: 0x00007f09b0357558 [0     ] T_STRING (String)E
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  th: 0x561131716620, native_id: 0x7f09b04ef700
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0011 e:000010 CFUNC  :pop
    me:
      called_id: pop, type: cfunc
      owner class: 0x00007f09b2fe11a0 [3LM   ] T_CLASS Thread::Queue
    self: 0x00007f09b0355668 [0     ] queue (Thread::Queue)queue
  c:0002 p:0024 s:0007 e:000006 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/extservm.rb:64 [FINISH]
    me:
      called_id: invoke_thread, type: iseq
      owner class: 0x00007f09b03aab68 [3LM   ] T_CLASS DRb::ExtServManager
    self: 0x00007f09b0355848 [0     ] T_OBJECT (DRb::ExtServManager)len:8 ptr:0x00007f09b2f3a678
    lvars:
      name: 0x00007f09b0354ba0 [0     ] T_STRING (String)ut_drb.rb
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  th: 0x561131858320, native_id: 0x7f09abf80700
  -- Control frame information -----------------------------------------------
  c:0006 p:---- s:0027 e:000026 CFUNC  :select
    me:
      called_id: select, type: cfunc
      owner class: 0x00007f09b2fd37f8 [3LM   ] T_CLASS (annon)
    self: 0x00007f09b2fd3820 [3LM   ] T_CLASS IO
  c:0005 p:0019 s:0022 e:000021 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:986
    me:
      called_id: accept_or_shutdown, type: iseq
      owner class: 0x00007f09b02dc6c8 [3LM   ] T_CLASS DRb::DRbTCPSocket
    self: 0x00007f09b0354e98 [0     ] T_OBJECT (DRb::DRbTCPSocket)len:7 ptr:0x00007f09b2f3a868
    lvars:
      readables: T_NIL
  c:0004 p:0007 s:0017 e:000016 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:972
    me:
      called_id: accept, type: iseq
      owner class: 0x00007f09b02dc6c8 [3LM   ] T_CLASS DRb::DRbTCPSocket
    self: 0x00007f09b0354e98 [0     ] T_OBJECT (DRb::DRbTCPSocket)len:7 ptr:0x00007f09b2f3a868
    lvars:
      s: T_NIL
      uri: T_NIL
  c:0003 p:0005 s:0011 e:000010 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1711
    me:
      called_id: main_loop, type: iseq
      owner class: 0x00007f09b02e0f70 [3LM   ] T_CLASS DRb::DRbServer
    self: 0x00007f09b03552a8 [0     ] T_OBJECT (DRb::DRbServer)len:8 ptr:0x00007f09b2f3a6c8
    lvars:
      client0: T_NIL
  c:0002 p:0008 s:0006 e:000005 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1557 [FINISH]
    me:
      called_id: run, type: iseq
      owner class: 0x00007f09b02e0f70 [3LM   ] T_CLASS DRb::DRbServer
    self: 0x00007f09b03552a8 [0     ] T_OBJECT (DRb::DRbServer)len:8 ptr:0x00007f09b2f3a6c8
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  th: 0x561131850f20, native_id: 0x7f09ab971700
  -- Control frame information -----------------------------------------------
  c:0011 p:---- s:0045 e:000044 CFUNC  :sleep
    me:
      called_id: sleep, type: cfunc
      owner class: 0x00007f09b2fe1498 [3LM   ] T_CLASS Thread::Mutex
    self: 0x00007f09b03a85c0 [0    U] mutex (Thread::Mutex)mutex
  c:0010 p:---- s:0042 e:000041 CFUNC  :wait
    me:
      called_id: wait, type: cfunc
      owner class: 0x00007f09b2fe0a48 [3LM   ] T_CLASS Thread::ConditionVariable
    self: 0x00007f09b03a84d0 [0     ] 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: 0x00007f09b0689118 [3LM   ] T_CLASS Monitor
    self: 0x00007f09b03a8638 [0     ] monitor (Monitor)monitor
  c:0008 p:0019 s:0033 e:000032 METHOD /tmp/ruby/v3/build/trunk-asserts/.ext/common/monitor.rb:108
    me:
      called_id: wait, type: iseq
      owner class: 0x00007f09b0688df8 [3LM   ] T_CLASS MonitorMixin::ConditionVariable
    self: 0x00007f09b03a84f8 [0     ] T_OBJECT (MonitorMixin::ConditionVariable)(embed) len:3
    lvars:
      timeout: T_NIL
  c:0007 p:0009 s:0028 e:000027 METHOD /tmp/ruby/v3/build/trunk-asserts/.ext/common/monitor.rb:125
    me:
      called_id: wait_until, type: iseq
      owner class: 0x00007f09b0688df8 [3LM   ] T_CLASS MonitorMixin::ConditionVariable
    self: 0x00007f09b03a84f8 [0     ] T_OBJECT (MonitorMixin::ConditionVariable)(embed) len:3
  c:0006 p:0006 s:0024 e:000023 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1238 [FINISH]
    me:
      called_id: _execute, type: iseq
      owner class: 0x00007f09b02e1b78 [3LM   ] T_CLASS DRb::ThreadObject
    self: 0x00007f09b03a86d8 [0     ] T_OBJECT (DRb::ThreadObject)len:9 ptr:0x00007f09b2f3b4e8
  c:0005 p:---- s:0021 e:000020 CFUNC  :synchronize
    me:
      called_id: synchronize, type: cfunc
      owner class: 0x00007f09b0689118 [3LM   ] T_CLASS Monitor
    self: 0x00007f09b03a8638 [0     ] monitor (Monitor)monitor
  c:0004 p:0009 s:0017 e:000016 METHOD /tmp/ruby/v3/build/trunk-asserts/.ext/common/monitor.rb:202
    me:
      called_id: synchronize, type: iseq
      owner class: 0x00007f09b0688e48 [3LM   ] T_MODULE MonitorMixin
      defined_class: 0x00007f09b02e18d0 [3LM   ] T_ICLASS src:MonitorMixin
    self: 0x00007f09b03a86d8 [0     ] T_OBJECT (DRb::ThreadObject)len:9 ptr:0x00007f09b2f3b4e8
    lvars:
      b: T_NIL
  c:0003 p:0004 s:0012 e:000011 METHOD /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1237
    me:
      called_id: _execute, type: iseq
      owner class: 0x00007f09b02e1b78 [3LM   ] T_CLASS DRb::ThreadObject
    self: 0x00007f09b03a86d8 [0     ] T_OBJECT (DRb::ThreadObject)len:9 ptr:0x00007f09b2f3b4e8
  c:0002 p:0014 s:0008 e:000007 BLOCK  /tmp/ruby/v3/src/trunk-asserts/lib/drb/drb.rb:1262 [FINISH]
    me:
      called_id: make_pool, type: iseq
      owner class: 0x00007f09b02e16c8 [3LM   ] T_CLASS (annon)
    self: 0x00007f09b02e16f0 [3LM R ] T_CLASS DRb::DRbConn
    lvars:
      queue: 0x00007f09b03a86d8 [0     ] T_OBJECT (DRb::ThreadObject)len:9 ptr:0x00007f09b2f3b4e8
      pool: 0x00007f09abdcf238 [0     ] T_ARRAY (Array)[E ] len: 0 (embed)
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  $1 = 0
  ">>> Finish
  "[Inferior 1 (process 25130) detached]
  [nil, 25130]
  "timeout 60 gdb -p 25128 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  running file: /tmp/ruby/v3/src/trunk-asserts/test/drb/test_drb.rb
  
  Some worker was crashed. It seems ruby interpreter's bug
  or, a bug of test/unit/parallel.rb. try again without -j
  option.
  
  A core file is found. Saving it at: "/tmp/test-unit-core.2021-06-05T12:58:13Z"
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  78	../sysdeps/unix/syscall-template.S: No such file or directory.
  0x00007f866e7d9b9f in __ppoll (fds=fds@entry=0x7ffc8f486d88, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
  44	../sysdeps/unix/sysv/linux/ppoll.c: No such file or directory.
  >>> Threads  Id   Target Id                                Frame 
  * 1    Thread 0x7f866e462ec0 (LWP 25128) "ruby" 0x00007f866e7d9b9f in __ppoll (fds=fds@entry=0x7ffc8f486d88, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
  >>> Machine level backtrace
  
  Thread 1 (Thread 0x7f866e462ec0 (LWP 25128)):
  #0  0x00007f866e7d9b9f in __ppoll (fds=fds@entry=0x7ffc8f486d88, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
  #1  0x00007f866eab4f69 in rb_sigwait_sleep (th=th@entry=0x555f38336f10, sigwait_fd=sigwait_fd@entry=3, rel=rel@entry=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:2111
  #2  0x00007f866eab531e in native_sleep (th=th@entry=0x555f38336f10, rel=0x0) at /tmp/ruby/v3/src/trunk-asserts/thread_pthread.c:2232
  #3  0x00007f866eab748c in rb_thread_sleep_interruptible () at /tmp/ruby/v3/src/trunk-asserts/thread.c:1522
  #4  0x00007f866ea35495 in waitpid_sleep (x=x@entry=140722712375120) at /tmp/ruby/v3/src/trunk-asserts/process.c:1252
  #5  0x00007f866e97a526 in rb_ensure (b_proc=b_proc@entry=0x7f866ea35480 <waitpid_sleep>, data1=data1@entry=140722712375120, e_proc=e_proc@entry=0x7f866ea37b60 <waitpid_cleanup>, data2=data2@entry=140722712375120) at /tmp/ruby/v3/src/trunk-asserts/eval.c:1166
  #6  0x00007f866ea3d6b9 in rb_f_system (argc=<optimized out>, argv=<optimized out>, _=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/process.c:4756
  #7  0x00007f866eae6b38 in vm_call_cfunc_with_frame (ec=0x555f38337790, reg_cfp=0x7f866e460ad0, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #8  0x00007f866eb001f7 in vm_call_method (ec=0x555f38337790, cfp=0x7f866e460ad0, calling=0x7ffc8f4870c0) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:3551
  #9  0x00007f866eaf0b3a in vm_sendish (ec=0x555f38337790, reg_cfp=0x7f866e460ad0, cd=0x555f384bcda0, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #10 0x00007f866eaf107a in vm_exec_core (ec=0x555f38337790, initial=1) at ../../src/trunk-asserts/insns.def:773
  #11 0x00007f866eaf841b in rb_vm_exec (ec=0x555f38337790, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #12 0x00007f866eaf90eb in vm_yield (ec=0x555f38337790, argc=argc@entry=1, argv=argv@entry=0x7ffc8f487288, kw_splat=kw_splat@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1395
  #13 0x00007f866eaf944e in rb_yield_0 (argv=argv@entry=0x7ffc8f487288, argc=1) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1344
  #14 0x00007f866eaf948d in rb_yield (val=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1360
  #15 0x00007f866e907bfb in rb_ary_any_p (argc=<optimized out>, argv=0x7f866e3613b8, ary=140215307009640) at /tmp/ruby/v3/src/trunk-asserts/array.c:7522
  #16 0x00007f866eae6b38 in vm_call_cfunc_with_frame (ec=0x555f38337790, reg_cfp=0x7f866e460bb0, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #17 0x00007f866eaf0b3a in vm_sendish (ec=0x555f38337790, reg_cfp=0x7f866e460bb0, cd=0x555f384d40e0, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #18 0x00007f866eaf6d74 in vm_exec_core (ec=0x555f38337790, initial=1) at ../../src/trunk-asserts/insns.def:754
  #19 0x00007f866eaf841b in rb_vm_exec (ec=0x555f38337790, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #20 0x00007f866eaf90eb in vm_yield (ec=0x555f38337790, argc=argc@entry=1, argv=argv@entry=0x7ffc8f487528, kw_splat=kw_splat@entry=0) at /tmp/ruby/v3/src/trunk-asserts/vm.c:1395
  #21 0x00007f866eaf944e in rb_yield_0 (argv=argv@entry=0x7ffc8f487528, argc=1) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1344
  #22 0x00007f866eaf948d in rb_yield (val=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_eval.c:1360
  #23 0x00007f866e9097e7 in rb_ary_each (ary=140215307838400) at /tmp/ruby/v3/src/trunk-asserts/array.c:2534
  #24 0x00007f866eae6b38 in vm_call_cfunc_with_frame (ec=0x555f38337790, reg_cfp=0x7f866e460d70, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #25 0x00007f866eaf0b3a in vm_sendish (ec=0x555f38337790, reg_cfp=0x7f866e460d70, cd=0x555f384fd050, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #26 0x00007f866eaf6d74 in vm_exec_core (ec=0x555f38337790, initial=1) at ../../src/trunk-asserts/insns.def:754
  #27 0x00007f866eaf841b in rb_vm_exec (ec=0x7f866e460be8, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #28 0x00007f866e9c3926 in require_internal (ec=ec@entry=0x555f38337790, fname=<optimized out>, fname@entry=140215351233400, exception=exception@entry=1) at /tmp/ruby/v3/src/trunk-asserts/load.c:1065
  #29 0x00007f866e9c4455 in rb_require_string (fname=140215351233400) at /tmp/ruby/v3/src/trunk-asserts/load.c:1142
  #30 0x00007f866eae6b38 in vm_call_cfunc_with_frame (ec=0x555f38337790, reg_cfp=0x7f866e460fa0, calling=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:2943
  #31 0x00007f866eb001f7 in vm_call_method (ec=0x555f38337790, cfp=0x7f866e460fa0, calling=0x7ffc8f487960) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:3551
  #32 0x00007f866eaf0b3a in vm_sendish (ec=0x555f38337790, reg_cfp=0x7f866e460fa0, cd=0x555f3842fb80, block_handler=<optimized out>, method_explorer=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm_insnhelper.c:4521
  #33 0x00007f866eaf107a in vm_exec_core (ec=0x555f38337790, initial=1) at ../../src/trunk-asserts/insns.def:773
  #34 0x00007f866eaf841b in rb_vm_exec (ec=0x555f38337790, mjit_enable_p=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/vm.c:2169
  #35 0x00007f866e9776f3 in rb_ec_exec_node (ec=ec@entry=0x555f38337790, n=n@entry=0x7f866e33d410) at /tmp/ruby/v3/src/trunk-asserts/eval.c:317
  #36 0x00007f866e97c07f in ruby_run_node (n=0x7f866e33d410) at /tmp/ruby/v3/src/trunk-asserts/eval.c:375
  #37 0x0000555f36b831d3 in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/v3/src/trunk-asserts/main.c:47
  >>> Dump Ruby level backtrace
  th: 0x555f38336f10, native_id: 0x7f866e462ec0
  -- Control frame information -----------------------------------------------
  c:0025 p:---- s:0162 e:000161 CFUNC  :system
    me:
      called_id: system, type: cfunc
      owner class: 0x00007f866e302630 [3LM   ] T_MODULE Kernel
      defined_class: 0x00007f866e3025e0 [3LM R ] T_ICLASS src:Kernel
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
  c:0024 p:0253 s:0151 e:000150 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:359
    me:
      called_id: after_worker_down, type: iseq
      owner class: 0x00007f866ba3ad60 [3LM   ] T_MODULE (Module)Test::Unit::Parallel
      defined_class: 0x00007f866ba3f8d8 [3LM R ] T_ICLASS src:Test::Unit::Parallel
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      worker: 0x00007f866b9d0c30 [3LM R ] T_OBJECT (Test::Unit::Parallel::Worker)len:10 ptr:0x0000555f38617690
      e: T_NIL
      c: T_FALSE
      real_file: 0x00007f866ba12ab8 [3LM   ] T_STRING (String) [shared] /tmp/ruby/v3/src/trunk-asserts/test/drb/test_drb.rb
      core_path: 0x00007f866b8cadb8 [0     ] T_STRING (String) [shared] /tmp/test-unit-core.2021-06-05T12:58:13Z
      cmd: 0x00007f866b8ca700 [0     ] T_ARRAY (Array)[  T] len: 7, capa:7 ptr:0x00007f866e2880d8
  c:0023 p:0619 s:0141 e:000140 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:497
    me:
      called_id: deal, type: iseq
      owner class: 0x00007f866ba3ad60 [3LM   ] T_MODULE (Module)Test::Unit::Parallel
      defined_class: 0x00007f866ba3f8d8 [3LM R ] T_ICLASS src:Test::Unit::Parallel
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      io: 0x00007f866b9d0c80 [0LM  U] T_FILE (IO)
      type: T_SYMBOL test
      result: 0x00007f866b9d93d0 [3LM R ] T_ARRAY (Array)[   ] len: 967, capa:983 ptr:0x0000555f386e08c0
      rep: 0x00007f866b9d1ab8 [3LM R ] T_ARRAY (Array)[   ] len: 967, capa:983 ptr:0x0000555f387419d0
      shutting_down: T_FALSE
      worker: 0x00007f866b9d0c30 [3LM R ] T_OBJECT (Test::Unit::Parallel::Worker)len:10 ptr:0x0000555f38617690
      cmd: T_NIL
      bang: T_NIL
      task: T_NIL
      r: T_NIL
      suite: T_NIL
      key: T_NIL
      e: T_NIL
  c:0022 p:0018 s:0124 e:000123 BLOCK  /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:542 [FINISH]
    me:
      called_id: _run_parallel, type: iseq
      owner class: 0x00007f866ba3ad60 [3LM   ] T_MODULE (Module)Test::Unit::Parallel
      defined_class: 0x00007f866ba3f8d8 [3LM R ] T_ICLASS src:Test::Unit::Parallel
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      io: 0x00007f866b9d0c80 [0LM  U] T_FILE (IO)
  c:0021 p:---- s:0120 e:000119 CFUNC  :any?
    me:
      called_id: any?, type: cfunc
      owner class: 0x00007f866e311c48 [3LM R ] T_CLASS Array
    self: 0x00007f866b90fe68 [0     ] T_ARRAY (Array)[E ] len: 1 (embed)
  c:0020 p:0220 s:0116 e:000115 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:540
    me:
      called_id: _run_parallel, type: iseq
      owner class: 0x00007f866ba3ad60 [3LM   ] T_MODULE (Module)Test::Unit::Parallel
      defined_class: 0x00007f866ba3f8d8 [3LM R ] T_ICLASS src:Test::Unit::Parallel
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      suites: 0x00007f866b9da0a0 [3LM   ] T_ARRAY (Array)[E ] len: 1 (embed)
      type: T_SYMBOL test
      result: 0x00007f866b9d93d0 [3LM R ] T_ARRAY (Array)[   ] len: 967, capa:983 ptr:0x0000555f386e08c0
      ts: 0x00007f866b9d1c48 [3LM   ] T_HASH (Hash)[A ] 2
      rep: 0x00007f866b9d1ab8 [3LM R ] T_ARRAY (Array)[   ] len: 967, capa:983 ptr:0x0000555f387419d0
      _io: 0x00007f866b90fe68 [0     ] T_ARRAY (Array)[E ] len: 1 (embed)
      t: T_NIL
      ex: T_NIL
      file: T_NIL
      __io: T_NIL
      parallel: T_NIL
  c:0019 p:0046 s:0101 e:000100 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:621
    me:
      called_id: _run_suites, type: iseq
      owner class: 0x00007f866ba3ad60 [3LM   ] T_MODULE (Module)Test::Unit::Parallel
      defined_class: 0x00007f866ba3f8d8 [3LM R ] T_ICLASS src:Test::Unit::Parallel
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      suites: 0x00007f866b9da0a0 [3LM   ] T_ARRAY (Array)[E ] len: 1 (embed)
      type: T_SYMBOL test
      result: 0x00007f866b9d93d0 [3LM R ] T_ARRAY (Array)[   ] len: 967, capa:983 ptr:0x0000555f386e08c0
  c:0018 p:0008 s:0094 e:000093 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:660
    me:
      called_id: _run_suites, type: iseq
      owner class: 0x00007f866ba397d0 [3LM   ] T_MODULE (Module)Test::Unit::Skipping
      defined_class: 0x00007f866ba3f838 [3LM   ] T_ICLASS src:Test::Unit::Skipping
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      suites: 0x00007f866b9da0a0 [3LM   ] T_ARRAY (Array)[E ] len: 1 (embed)
      type: T_SYMBOL test
      result: T_NIL
  c:0017 p:0145 s:0087 e:000086 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/minitest/unit.rb:908
    me:
      called_id: _run_anything, type: iseq
      owner class: 0x00007f866ba55890 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      type: T_SYMBOL test
      suites: 0x00007f866b9da0a0 [3LM   ] T_ARRAY (Array)[E ] len: 1 (embed)
      test_count: T_FIXNUM 0
      assertion_count: T_FIXNUM 0
      sync: T_TRUE
      old_sync: T_FALSE
      start: 0x00007f866b9d9cb8 [0    U] time (Time)time
      results: T_NIL
      t: T_NIL
  c:0016 p:0016 s:0074 e:000073 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:1071
    me:
      called_id: _run_anything, type: iseq
      owner class: 0x00007f866ba382b8 [3LM   ] T_MODULE (Module)Test::Unit::RepeatOption
      defined_class: 0x00007f866ba3f798 [3LM   ] T_ICLASS src:Test::Unit::RepeatOption
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      type: T_SYMBOL test
  c:0015 p:0005 s:0069 e:000068 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/minitest/unit.rb:1141
    me:
      called_id: run_tests, type: iseq
      owner class: 0x00007f866ba55890 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
  c:0014 p:0006 s:0065 e:000064 BLOCK  /tmp/ruby/v3/src/trunk-asserts/tool/lib/minitest/unit.rb:1128 [FINISH]
    me:
      called_id: _run, type: iseq
      owner class: 0x00007f866ba55890 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      plugin: 0x00007f866ba50548 [3LM   ] T_STRING (String)run_tests
  c:0013 p:---- s:0061 e:000060 CFUNC  :each
    me:
      called_id: each, type: cfunc
      owner class: 0x00007f866e311c48 [3LM R ] T_CLASS Array
    self: 0x00007f866b9da3c0 [3LM   ] T_ARRAY (Array)[E ] len: 1 (embed)
  c:0012 p:0047 s:0057 e:000056 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/minitest/unit.rb:1127
    me:
      called_id: _run, type: iseq
      owner class: 0x00007f866ba55890 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      args: 0x00007f866b9e0928 [3LM   ] T_HASH (Hash)[S ] 10
  c:0011 p:0013 s:0052 e:000051 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/minitest/unit.rb:1115
    me:
      called_id: run, type: iseq
      owner class: 0x00007f866ba55890 [3LM   ] T_CLASS MiniTest::Unit
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      args: 0x00007f866e318f70 [3LM   ] T_ARRAY shared -> 0x00007f866e3409d0 [3LM   ] T_ARRAY (Array)[   ] len: 821, capa:3 ptr:0x0000555f3867c200
  c:0010 p:0008 s:0047 e:000046 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:845
    me:
      called_id: run, type: iseq
      owner class: 0x00007f866ba39500 [3LM   ] T_MODULE (Module)Test::Unit::StatusLine
      defined_class: 0x00007f866ba3f928 [3LM   ] T_ICLASS src:Test::Unit::StatusLine
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      args: 0x00007f866b9da9b0 [3LM   ] T_ARRAY (Array)[E ] len: 1 (embed)
      result: T_NIL
  c:0009 p:0008 s:0041 e:000040 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:693
    me:
      called_id: run, type: iseq
      owner class: 0x00007f866ba396b8 [3LM   ] T_MODULE (Module)Test::Unit::Statistics
      defined_class: 0x00007f866ba3f888 [3LM   ] T_ICLASS src:Test::Unit::Statistics
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      args: 0x00007f866b9daa50 [3LM   ] T_ARRAY (Array)[E ] len: 1 (embed)
      result: T_NIL
  c:0008 p:0015 s:0035 e:000034 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:31
    me:
      called_id: run, type: iseq
      owner class: 0x00007f866ba3b0a8 [3LM   ] T_MODULE Test::Unit::RunCount
      defined_class: 0x00007f866ba3f5e0 [3LM   ] T_ICLASS src:Test::Unit::RunCount
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      (null): 0x00007f866b9daac8 [3LM   ] T_ARRAY (Array)[E ] len: 1 (embed)
  c:0007 p:0006 s:0030 e:000029 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:1173
    me:
      called_id: run, type: iseq
      owner class: 0x00007f866ba3fa90 [3LM   ] T_CLASS Test::Unit::Runner
    self: 0x00007f866b9e1a30 [3LM R ] T_OBJECT (Test::Unit::AutoRunner::Runner)len:36 ptr:0x0000555f384af3d0
    lvars:
      argv: 0x00007f866e318f70 [3LM   ] T_ARRAY shared -> 0x00007f866e3409d0 [3LM   ] T_ARRAY (Array)[   ] len: 821, capa:3 ptr:0x0000555f3867c200
  c:0006 p:0032 s:0025 e:000024 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:1243
    me:
      called_id: run, type: iseq
      owner class: 0x00007f866ba3f3d8 [3LM   ] T_CLASS Test::Unit::AutoRunner
    self: 0x00007f866b9e1af8 [3LM   ] T_OBJECT (Test::Unit::AutoRunner)len:5 ptr:0x0000555f3864eb30
  c:0005 p:0009 s:0021 e:000020 METHOD /tmp/ruby/v3/src/trunk-asserts/tool/lib/test/unit.rb:1247
    me:
      called_id: run, type: iseq
      owner class: 0x00007f866ba3f3b0 [3LM   ] T_CLASS (annon)
    self: 0x00007f866ba3f3d8 [3LM   ] T_CLASS Test::Unit::AutoRunner
    lvars:
      args: 0x00007f866b9e1b48 [3LM   ] T_ARRAY (Array)[E ] len: 2 (embed)
  c:0004 p:0174 s:0016 e:000014 TOP    /tmp/ruby/v3/src/trunk-asserts/tool/test/runner.rb:23 [FINISH]
    self: 0x00007f866e3004e8 [3LM   ] T_OBJECT (embed) len:3
    lvars:
      dir: 0x00007f866b9e1bc0 [3LM   ] T_STRING (String)/tmp/ruby/v3/src/trunk-asserts/test
  c:0003 p:---- s:0011 e:000010 CFUNC  :require_relative
    me:
      called_id: require_relative, type: cfunc
      owner class: 0x00007f866e302630 [3LM   ] T_MODULE Kernel
      defined_class: 0x00007f866e3025e0 [3LM R ] T_ICLASS src:Kernel
    self: 0x00007f866e3004e8 [3LM   ] T_OBJECT (embed) len:3
  c:0002 p:0104 s:0006 e:000005 EVAL   /tmp/ruby/v3/src/trunk-asserts/test/runner.rb:12 [FINISH]
    self: 0x00007f866e3004e8 [3LM   ] T_OBJECT (embed) len:3
  c:0001 p:0000 s:0003 E:0005c0 (none) [FINISH]
    self: 0x00007f866e3004e8 [3LM   ] T_OBJECT (embed) len:3
  
  $1 = 0
  ">>> Finish
  25130:running:test_drb: Broken pipe
  "[Inferior 1 (process 25128) detached]
  
  /tmp/ruby/v3/src/trunk-asserts/test/rdoc/test_rdoc_rubygems_hook.rb: cannot load such file -- rubygems/test_case
  Did you mean?  rubygems/test_gem (Test::Unit::ProxyError)
  
  [nil, 25128]
  "timeout 60 gdb -p 25121 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  make: *** [uncommon.mk:802: yes-test-all] Killed
  ptrace: No such process.
  >>> ThreadsNo threads.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:12: Error in sourced command file:
  No symbol table is loaded.  Use the "file" command.
  [nil, 25121]
  #<Errno::ESRCH: No such process>
  "timeout 60 gdb -p 25120 -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 25120 is a zombie - the process has already terminated
  ptrace: Operation not permitted.
  >>> ThreadsNo threads.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:12: Error in sourced command file:
  No symbol table is loaded.  Use the "file" command.
  [nil, 25120]
    0.004000   0.008000 24776.964000 (10804.683021)
  /home/ko1/ruby/build-ruby/build-ruby.rb:174:in `each_line': execution expired (Timeout::Error)
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:174:in `block (2 levels) in cmd'
  	from /usr/lib/ruby/2.7.0/timeout.rb:110:in `timeout'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:173:in `block in cmd'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:170:in `popen'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:170:in `cmd'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:320:in `block in test_all'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:243:in `block in builddir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:242:in `chdir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:242:in `builddir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:319:in `test_all'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:382:in `block (4 levels) in run'
  	from /usr/lib/ruby/2.7.0/benchmark.rb:293:in `measure'
  	from /usr/lib/ruby/2.7.0/benchmark.rb:375:in `item'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:380:in `block (3 levels) in run'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:379:in `each'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:379:in `block (2 levels) in run'
  	from /usr/lib/ruby/2.7.0/benchmark.rb:173:in `benchmark'
  	from /usr/lib/ruby/2.7.0/benchmark.rb:205:in `bm'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:378:in `block in run'
  	from /usr/lib/ruby/2.7.0/benchmark.rb:293:in `measure'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:377:in `run'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:551:in `<main>'
  total: 11842.77 sec