Result of trunk-mjit-wait@phosphorus-docker at 2021-02-13 17:39:45 +0900

• NG (813fe4c256) [LOG]

• Linux phosphorus-docker 4.9.0-14-amd64 #1 SMP Debian 4.9.246-2 (2020-12-17) x86_64 x86_64 x86_64 GNU/Linux
  

• rev: 813fe4c256
  test-all : 
  test-spec: 
  exit statuses:
    "make update-unicode  -j6" exit with 0.
    "make update-download -j6" exit with 0.
    "make update-rubyspec -j6" exit with 0.
    "make update-src      -j6" exit with 0.
    "make after-update    -j6" exit with 0.
    "make miniruby -j6" exit with 0.
    "make ruby -j6" exit with 0.
    "make all -j6" exit with 0.
    "make install -j6" exit with 0.
  Logfile: /home/ko1/ruby/logs/brlog.trunk-mjit-wait.20210213-033842
  #<BuildRuby:0x000055b00b1c7e40
   @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-mjit-wait",
   @TARGET_INSTALL_DIR="/tmp/ruby/v3/install/trunk-mjit-wait",
   @TARGET_NAME="trunk-mjit-wait",
   @TARGET_SRC_DIR="/tmp/ruby/v3/src/trunk-mjit-wait",
   @build_opts="-j6",
   @configure_opts=["cppflags=-DMJIT_FORCE_ENABLE"],
   @gist=false,
   @git_branch=nil,
   @git_worktree=nil,
   @incremental=true,
   @logfile="/home/ko1/ruby/logs/brlog.trunk-mjit-wait.20210213-033842",
   @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=
    "RUN_OPTS=\"--disable-gems --jit-debug=-ggdb3 --jit-wait --jit-warnings --jit-min-calls=5\"",
   @timeout=18000>
                             user     system      total        real
  checkout               0.000000   0.000000   0.000000 (  0.000026)
  autoconf               0.000000   0.000000   0.000000 (  0.000064)
  configure              0.000000   0.000000   0.000000 (  0.000050)
  build_up             From https://github.com/ruby/ruby
     8199579..813fe4c  master     -> origin/master
    0.008000   0.004000  37.404000 ( 33.640859)
  build_miniruby         0.004000   0.000000   0.164000 (  0.181959)
  build_ruby             0.004000   0.000000   3.700000 (  3.414525)
  build_all              0.012000   0.004000  28.996000 ( 10.015058)
  build_install          0.016000   0.008000  24.452000 ( 12.172697)
  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           ..................................$$$ #<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-mjit-wait --incremental --process-num=6
  32327   683    11    11 ?           -1 S     1001   0:00 sh -c make yes-btest RUN_OPTS="--disable-gems --jit-debug=-ggdb3 --jit-wait --jit-warnings --jit-min-calls=5"
    683   684    11    11 ?           -1 S     1001   0:00 make yes-btest RUN_OPTS=--disable-gems --jit-debug=-ggdb3 --jit-wait --jit-warnings --jit-min-calls=5
    684   690    11    11 ?           -1 Sl    1001   0:01 /usr/bin/ruby --disable=gems /tmp/ruby/v3/src/trunk-mjit-wait/bootstraptest/runner.rb --ruby=./miniruby -I/tmp/ruby/v3/src/trunk-mjit-wait/lib -I. -I.ext/common   --disable-gems --jit-debug=-ggdb3 --jit-wait --jit-warnings --jit-min-calls=5
    690  6317    11    11 ?           -1 Sl    1001 284:35 /tmp/ruby/v3/build/trunk-mjit-wait/miniruby -I/tmp/ruby/v3/src/trunk-mjit-wait/lib -I/tmp/ruby/v3/build/trunk-mjit-wait -I/tmp/ruby/v3/build/trunk-mjit-wait/.ext/common --disable-gems --jit-debug=-ggdb3 --jit-wait --jit-warnings --jit-min-calls=5 -W0 bootstraptest.tmp.rb
  32327  6361    11    11 ?           -1 R     1001   0:00 ps jx
     11 32324    11    11 ?           -1 Sl    1001   0:00 ruby ./br.rb build_report trunk-mjit-wait --incremental --process-num=6
  32324 32326    11    11 ?           -1 S     1001   0:00 sh -c ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-mjit-wait --logfile=/home/ko1/ruby/logs/brlog.trunk-mjit-wait.20210213-033842 --root_dir=/tmp/ruby --timeout=18000 --configure_opts=cppflags="-DMJIT_FORCE_ENABLE" --add-env=RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE=30 --test_opts='RUN_OPTS="--disable-gems --jit-debug=-ggdb3 --jit-wait --jit-warnings --jit-min-calls=5"' --incremental --process-num=6
  32326 32327    11    11 ?           -1 Sl    1001   0:00 ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-mjit-wait --logfile=/home/ko1/ruby/logs/brlog.trunk-mjit-wait.20210213-033842 --root_dir=/tmp/ruby --timeout=18000 --configure_opts=cppflags=-DMJIT_FORCE_ENABLE --add-env=RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE=30 --test_opts=RUN_OPTS="--disable-gems --jit-debug=-ggdb3 --jit-wait --jit-warnings --jit-min-calls=5" --incremental --process-num=6
  {10=>[11], 32327=>[683, 6361], 683=>[684], 684=>[690], 690=>[6317], 11=>[32324], 32324=>[32326], 32326=>[32327]}
  "timeout 60 gdb -p 6317 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  [New LWP 6318]
  [New LWP 6339]
  [New LWP 6343]
  
  warning: Could not load shared library symbols for 5 libraries, e.g. /tmp/_ruby_mjit_p6317u0.so.
  Use the "info sharedlibrary" command to see the complete listing.
  Do you need "set solib-search-path" or "set sysroot"?
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  183	../sysdeps/nptl/futex-internal.h: No such file or directory.
  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560114d32908) at ../sysdeps/nptl/futex-internal.h:183
  >>> Threads  Id   Target Id                                          Frame 
  * 1    Thread 0x7ff807b63b80 (LWP 6317) "miniruby"        futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560114d32908) at ../sysdeps/nptl/futex-internal.h:183
    2    Thread 0x7ff8045b7700 (LWP 6318) "ruby-mjitworker" 0x000056011473d0a4 in get_from_list (list=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/ccan/list/list.h:761
    3    Thread 0x7ff8031a2700 (LWP 6339) "miniruby"        __lll_lock_wait (futex=futex@entry=0x5601149f2b40 <mjit_engine_mutex>, private=0) at lowlevellock.c:52
    4    Thread 0x7ff802b9f700 (LWP 6343) "miniruby"        __lll_lock_wait (futex=futex@entry=0x5601149f2b40 <mjit_engine_mutex>, private=0) at lowlevellock.c:52
  >>> Machine level backtrace
  
  Thread 4 (Thread 0x7ff802b9f700 (LWP 6343)):
  #0  __lll_lock_wait (futex=futex@entry=0x5601149f2b40 <mjit_engine_mutex>, private=0) at lowlevellock.c:52
  #1  0x00007ff807f840a3 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x5601149f2b40 <mjit_engine_mutex>) at ../nptl/pthread_mutex_lock.c:80
  #2  0x0000560114860bbd in rb_native_mutex_lock (lock=lock@entry=0x5601149f2b40 <mjit_engine_mutex>) at /tmp/ruby/v3/src/trunk-mjit-wait/thread_pthread.c:436
  #3  0x000056011473b0ca in CRITICAL_SECTION_START (level=3, msg=0x5601148eaf10 "in rb_mjit_wait_call for a client wakeup") at /tmp/ruby/v3/src/trunk-mjit-wait/mjit_worker.c:442
  #4  mjit_wait (body=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/mjit.c:315
  #5  0x000056011473e015 in rb_mjit_wait_call (ec=0x560114db9e10, body=0x560114e66df0) at /tmp/ruby/v3/src/trunk-mjit-wait/mjit.c:330
  #6  0x00005601148b5852 in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/vm_insnhelper.c:4567
  #7  vm_exec_core (ec=0x560114db9e10, initial=128) at ../../src/trunk-mjit-wait/insns.def:789
  #8  0x00005601148abb2e in rb_vm_exec (ec=<optimized out>, mjit_enable_p=true) at /tmp/ruby/v3/src/trunk-mjit-wait/vm.c:2162
  #9  0x00005601148639c7 in thread_do_start_proc (th=0x560114db9c20) at /tmp/ruby/v3/src/trunk-mjit-wait/thread.c:725
  #10 0x000056011486667f in thread_do_start (th=0x560114db9c20) at /tmp/ruby/v3/src/trunk-mjit-wait/thread.c:766
  #11 thread_start_func_2 (th=<optimized out>, stack_start=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/thread.c:822
  #12 0x0000560114866fdb in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/thread_pthread.c:1033
  #13 0x00007ff807f81609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #14 0x00007ff807c87293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 3 (Thread 0x7ff8031a2700 (LWP 6339)):
  #0  __lll_lock_wait (futex=futex@entry=0x5601149f2b40 <mjit_engine_mutex>, private=0) at lowlevellock.c:52
  #1  0x00007ff807f840a3 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x5601149f2b40 <mjit_engine_mutex>) at ../nptl/pthread_mutex_lock.c:80
  #2  0x0000560114860bbd in rb_native_mutex_lock (lock=lock@entry=0x5601149f2b40 <mjit_engine_mutex>) at /tmp/ruby/v3/src/trunk-mjit-wait/thread_pthread.c:436
  #3  0x000056011473b0ca in CRITICAL_SECTION_START (level=3, msg=0x5601148eaf10 "in rb_mjit_wait_call for a client wakeup") at /tmp/ruby/v3/src/trunk-mjit-wait/mjit_worker.c:442
  #4  mjit_wait (body=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/mjit.c:315
  #5  0x000056011473e015 in rb_mjit_wait_call (ec=0x560114e5e400, body=0x560114e66df0) at /tmp/ruby/v3/src/trunk-mjit-wait/mjit.c:330
  #6  0x00005601148b5852 in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/vm_insnhelper.c:4567
  #7  vm_exec_core (ec=0x560114e5e400, initial=128) at ../../src/trunk-mjit-wait/insns.def:789
  #8  0x00005601148abb2e in rb_vm_exec (ec=<optimized out>, mjit_enable_p=true) at /tmp/ruby/v3/src/trunk-mjit-wait/vm.c:2162
  #9  0x00005601148639c7 in thread_do_start_proc (th=0x560114e56400) at /tmp/ruby/v3/src/trunk-mjit-wait/thread.c:725
  #10 0x000056011486667f in thread_do_start (th=0x560114e56400) at /tmp/ruby/v3/src/trunk-mjit-wait/thread.c:766
  #11 thread_start_func_2 (th=<optimized out>, stack_start=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/thread.c:822
  #12 0x0000560114866fdb in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/thread_pthread.c:1033
  #13 0x00007ff807f81609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #14 0x00007ff807c87293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 2 (Thread 0x7ff8045b7700 (LWP 6318)):
  #0  0x000056011473d0a4 in get_from_list (list=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/ccan/list/list.h:761
  #1  mjit_worker () at /tmp/ruby/v3/src/trunk-mjit-wait/mjit_worker.c:1408
  #2  0x000056011485bf8e in mjit_worker (arg=0x56011473cc40 <mjit_worker>) at /tmp/ruby/v3/src/trunk-mjit-wait/thread_pthread.c:1980
  #3  0x00007ff807f81609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #4  0x00007ff807c87293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7ff807b63b80 (LWP 6317)):
  #0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560114d32908) at ../sysdeps/nptl/futex-internal.h:183
  #1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560114d328b8, cond=0x560114d328e0) at pthread_cond_wait.c:508
  #2  __pthread_cond_wait (cond=cond@entry=0x560114d328e0, mutex=mutex@entry=0x560114d328b8) at pthread_cond_wait.c:638
  #3  0x00005601148615cd in rb_native_cond_wait (cond=cond@entry=0x560114d328e0, mutex=mutex@entry=0x560114d328b8) at /tmp/ruby/v3/src/trunk-mjit-wait/thread_pthread.c:542
  #4  0x00005601147ca16c in ractor_cond_wait (r=0x560114d32890) at /tmp/ruby/v3/src/trunk-mjit-wait/ractor.c:527
  #5  ractor_sleep_wo_gvl (ptr=ptr@entry=0x560114d32890) at /tmp/ruby/v3/src/trunk-mjit-wait/ractor.c:527
  #6  0x0000560114868aae in rb_nogvl (func=func@entry=0x5601147ca120 <ractor_sleep_wo_gvl>, data1=data1@entry=0x560114d32890, ubf=<optimized out>, ubf@entry=0x5601147ca040 <ractor_sleep_interrupt>, data2=<optimized out>, data2@entry=0x560114d32890, flags=flags@entry=3) at /tmp/ruby/v3/src/trunk-mjit-wait/thread.c:1671
  #7  0x00005601147cea77 in ractor_sleep (ec=0x560114d32680, cr=0x560114d32890) at /tmp/ruby/v3/src/trunk-mjit-wait/ractor.c:590
  #8  ractor_select (ec=<optimized out>, rs=<optimized out>, rs_len=<optimized out>, yielded_value=<optimized out>, move=<optimized out>, ret_r=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/ractor.c:1235
  #9  0x00005601147cecc4 in builtin_inline_class_345 (ec=<optimized out>, self=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/include/ruby/internal/arithmetic/long.h:110
  #10 0x00007ff8029955f4 in ?? ()
  #11 0x0000000000000005 in ?? ()
  #12 0x00007ff807b61fa0 in ?? ()
  #13 0x0000560114d32680 in ?? ()
  #14 0x00007ff807b61fa0 in ?? ()
  #15 0x00007ff807b61fa0 in ?? ()
  #16 0x00005601148a9858 in vm_call_iseq_setup (ec=0x560114e55630, cfp=0x560114d32680, calling=0x7ff807b61f68) at /tmp/ruby/v3/src/trunk-mjit-wait/vm_core.h:491
  #17 0x00005601148b5852 in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cd=<optimized out>, reg_cfp=<optimized out>, ec=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/vm_insnhelper.c:4567
  #18 vm_exec_core (ec=0x560114d32680, initial=128) at ../../src/trunk-mjit-wait/insns.def:789
  #19 0x00005601148abb2e in rb_vm_exec (ec=<optimized out>, mjit_enable_p=true) at /tmp/ruby/v3/src/trunk-mjit-wait/vm.c:2162
  #20 0x00005601146c659d in rb_ec_exec_node (ec=ec@entry=0x560114d32680, n=n@entry=0x560114d3ebe8) at /tmp/ruby/v3/src/trunk-mjit-wait/eval.c:317
  #21 0x00005601146cb20f in ruby_run_node (n=0x560114d3ebe8) at /tmp/ruby/v3/src/trunk-mjit-wait/eval.c:375
  #22 0x0000560114623183 in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/v3/src/trunk-mjit-wait/main.c:47
  >>> Dump Ruby level backtrace
  $1 = 0
  ">>> Finish
  "[Inferior 1 (process 6317) detached]
  [nil, 6317]
  "timeout 60 gdb -p 690 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  Fstderr output is not empty
     th: 0x560114d31e20, native_id: 0x7ff807b63b80
     -- Control frame information -----------------------------------------------
     c:0003 p:0000 s:0022 e:000021 METHOD <internal:ractor>:342
       me:
         called_id: select, type: iseq
         owner class: 0x0000560114da5f00 [3LM R ] T_CLASS (annon)
       self: 0x0000560114da5f28 [3LM R ] T_CLASS Ractor
       lvars:
         ractors: 0x0000560114d47ab8 [0     ] T_ARRAY (Array)[   ] len: 3, capa:19 ptr:0x0000560114ea9100
         yield_value: 0x0000560114d47b58 [0     ] T_STRING (String)yield
         move: T_FALSE
         (null): T_FIXNUM 0
         yield_unspecified: T_NIL
     c:0002 p:0090 s:0013 E:001c20 EVAL   bootstraptest.tmp.rb:15 [FINISH]
       self: 0x0000560114dec4a0 [3LM R ] T_OBJECT (embed) len:3
       lvars:
         rs: 0x0000560114d3e5d0 [1     ] T_ARRAY (Array)[   ] len: 2, capa:16 ptr:0x0000560114e570d0
         received: 0x0000560114e7e238 [0     ] T_ARRAY (Array)[   ] len: 8, capa:20 ptr:0x0000560114e6c950
         take: 0x0000560114e7e210 [0     ] T_ARRAY (Array)[   ] len: 8, capa:20 ptr:0x0000560114e7aa60
         yielded: 0x0000560114e7e1e8 [0     ] T_ARRAY (Array)[   ] len: 10, capa:20 ptr:0x0000560114e0afc0
         r: 0x0000560114e7e788 [0    U] ractor (Ractor)r:10
         v: 0x0000560114d5ff00 [0     ] T_STRING (String)take
     c:0001 p:0000 s:0003 E:000180 (none) [FINISH]
       self: 0x0000560114dec4a0 [3LM R ] T_OBJECT (embed) len:3
  [New LWP 692]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  26	../sysdeps/unix/sysv/linux/read.c: No such file or directory.
  __GI___libc_read (nbytes=8192, buf=0x557553f53790, fd=6) at ../sysdeps/unix/sysv/linux/read.c:26
  >>> Threads  Id   Target Id                                       Frame 
  * 1    Thread 0x7f1631c38740 (LWP 690) "ruby"          __GI___libc_read (nbytes=8192, buf=0x557553f53790, fd=6) at ../sysdeps/unix/sysv/linux/read.c:26
    2    Thread 0x7f162e6de700 (LWP 692) "runner.rb:476" __GI___libc_read (nbytes=8192, buf=0x7f1628005420, fd=5) at ../sysdeps/unix/sysv/linux/read.c:26
  >>> Machine level backtrace
  
  Thread 2 (Thread 0x7f162e6de700 (LWP 692)):
  #0  __GI___libc_read (nbytes=8192, buf=0x7f1628005420, fd=5) at ../sysdeps/unix/sysv/linux/read.c:26
  #1  __GI___libc_read (fd=5, buf=0x7f1628005420, nbytes=8192) at ../sysdeps/unix/sysv/linux/read.c:24
  #2  0x00007f1632143799 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #3  0x00007f16322503ff in rb_thread_io_blocking_region () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #4  0x00007f163214a3ea in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #5  0x00007f163211d797 in rb_ensure () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #6  0x00007f16321451ac in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #7  0x00007f1632149b66 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #8  0x00007f163214cbbb in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #9  0x00007f163227f026 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #10 0x00007f1632272406 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #11 0x00007f16322830ba in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #12 0x00007f1632289870 in rb_vm_exec () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #13 0x00007f163228d336 in rb_vm_invoke_proc () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #14 0x00007f163224eac3 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #15 0x00007f1632250c10 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #16 0x00007f163225104d in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #17 0x00007f1631e65609 in start_thread (arg=<optimized out>) at pthread_create.c:477
  #18 0x00007f1631fa1293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7f1631c38740 (LWP 690)):
  #0  __GI___libc_read (nbytes=8192, buf=0x557553f53790, fd=6) at ../sysdeps/unix/sysv/linux/read.c:26
  #1  __GI___libc_read (fd=6, buf=0x557553f53790, nbytes=8192) at ../sysdeps/unix/sysv/linux/read.c:24
  #2  0x00007f1632143799 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #3  0x00007f16322503ff in rb_thread_io_blocking_region () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #4  0x00007f163214a3ea in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #5  0x00007f163211d797 in rb_ensure () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #6  0x00007f16321451ac in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #7  0x00007f1632149b66 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #8  0x00007f1632155f77 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #9  0x00007f163227f026 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #10 0x00007f1632272406 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #11 0x00007f16322830ba in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #12 0x00007f1632289870 in rb_vm_exec () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #13 0x00007f1632163663 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #14 0x00007f163216380b in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #15 0x00007f163227f026 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #16 0x00007f1632272406 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #17 0x00007f16322830ba in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #18 0x00007f1632289870 in rb_vm_exec () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #19 0x00007f16322969f1 in rb_yield () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #20 0x00007f163209e45c in rb_ary_each () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #21 0x00007f163227f026 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #22 0x00007f163228bdab in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #23 0x00007f1632272406 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #24 0x00007f1632283131 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #25 0x00007f1632289870 in rb_vm_exec () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #26 0x00007f16322969f1 in rb_yield () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #27 0x00007f163211d797 in rb_ensure () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #28 0x00007f16320fdebf in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #29 0x00007f163227f026 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #30 0x00007f163228bdab in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #31 0x00007f1632272406 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #32 0x00007f1632283131 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #33 0x00007f1632289870 in rb_vm_exec () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #34 0x00007f163211a491 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #35 0x00007f163211f2ee in ruby_run_node () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
  #36 0x0000557552cd817f in ?? ()
  #37 0x00007f1631ea60b3 in __libc_start_main (main=0x557552cd8120, argc=4, argv=0x7ffd07df6428, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd07df6418) at ../csu/libc-start.c:308
  #38 0x0000557552cd81ce in _start ()
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:12: Error in sourced command file:
  No symbol "rb_vmdebug_stack_dump_all_threads" in current context.
  [Inferior 1 (process 690) detached]
  [nil, 690]
  "timeout 60 gdb -p 684 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  make: *** [uncommon.mk:763: yes-btest] 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, 684]
  #<Errno::ESRCH: No such process>
  "timeout 60 gdb -p 683 -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 683 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, 683]
  "timeout 60 gdb -p 6361 -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, 6361]
  #<Errno::ESRCH: No such process>
    0.008000   0.000000 17980.204000 (18002.488653)
  /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:308:in `block in test_btest'
  	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:307:in `test_btest'
  	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: 18061.92 sec