gdb.log

dan@athena:~/Source/raku/rakudo$ sudo gdb -p 188744
[sudo] password for dan: 
GNU gdb (Ubuntu 15.1-1ubuntu2) 15.1
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Attaching to process 188744
[New LWP 188765]
[New LWP 188763]
[New LWP 188762]
[New LWP 188761]
[New LWP 188760]
[New LWP 188745]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7afec3ca8, expected=0, op=393, abstime=0x0, cancel=true)
    at ./nptl/futex-internal.c:57

warning: 57     ./nptl/futex-internal.c: No such file or directory
warning: File "/home/dan/Source/raku/install/lib/libmoar.so-gdb.py" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load".
To enable execution of this file add
        add-auto-load-safe-path /home/dan/Source/raku/install/lib/libmoar.so-gdb.py
line to your configuration file "/root/.config/gdb/gdbinit".
To completely disable this security protection add
        set auto-load safe-path /
line to your configuration file "/root/.config/gdb/gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual.  E.g., run from the shell:
        info "(gdb)Auto-loading safe path"
(gdb) info threads
  Id   Target Id                                            Frame 
* 1    Thread 0xffff9ed78440 (LWP 188744) "rakudo"          0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7afec3ca8, 
    expected=0, op=393, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
  2    Thread 0xffff97e2b180 (LWP 188765) "8: GeneralWorke" 0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7ae21bee4, 
    expected=0, op=393, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
  3    Thread 0xffff9863f180 (LWP 188763) "async io thread" 0x0000ffff9e39dbc4 in __GI_epoll_pwait (epfd=epfd@entry=4, events=events@entry=0xffff9863a358, 
    maxevents=maxevents@entry=1024, timeout=timeout@entry=-1738284072, set=0x0, set@entry=0x8) at ../sysdeps/unix/sysv/linux/epoll_pwait.c:40
  4    Thread 0xffff98e57180 (LWP 188762) "6: AffinityWork" 0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7b45114a0, 
    expected=0, op=393, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
  5    Thread 0xffff99667180 (LWP 188761) "5: Supervisor"   0x0000ffff9e36cba0 in __GI___clock_nanosleep (clock_id=<optimized out>, clock_id@entry=0, 
    flags=flags@entry=0, req=req@entry=0xffff99666470, rem=rem@entry=0xffff99666470) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
  6    Thread 0xffff99e77180 (LWP 188760) "4: GeneralWorke" 0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7ae21bee4, 
    expected=0, op=393, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
  7    Thread 0xffff9e13f180 (LWP 188745) "spesh optimizer" 0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7a8830164, 
    expected=0, op=393, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
(gdb) thread apply all bt

Thread 7 (Thread 0xffff9e13f180 (LWP 188745) "spesh optimizer"):
#0  0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7a8830164, expected=0, op=393, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=0x2a7a8830164, expected=0, clockid=0, abstime=0x0, private=0, cancel=true) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x2a7a8830164, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000ffff9e333ce0 in __pthread_cond_wait_common (cond=0x2a7a8830138, mutex=0x2a7a88300d8, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=cond@entry=0x2a7a8830138, mutex=mutex@entry=0x2a7a88300d8) at ./nptl/pthread_cond_wait.c:627
#5  0x0000ffff9e81ec0c in uv_cond_wait (cond=cond@entry=0x2a7a8830138, mutex=mutex@entry=0x2a7a88300d8) at 3rdparty/libuv/src/unix/thread.c:835
#6  0x0000ffff9e73bbe0 in shift (tc=0x2a7a8023800, st=<optimized out>, root=<optimized out>, data=<optimized out>, value=0xffff9e13e350, kind=<optimized out>) at src/6model/reprs/ConcBlockingQueue.c:246
#7  0x0000ffff9e713920 in MVM_repr_shift_o (tc=tc@entry=0x2a7a8023800, obj=<optimized out>) at src/6model/reprconv.c:535
#8  0x0000ffff9e78303c in worker (tc=0x2a7a8023800, arg_info=<error reading variable: Cannot access memory at address 0x189>) at src/spesh/worker.c:42
#9  0x0000ffff9e6d7b84 in thread_initial_invoke (tc=0x2a7a8023800, data=<optimized out>) at src/core/threads.c:68
#10 0x0000ffff9e6afa54 in MVM_interp_run (tc=0x2a7a8830164, tc@entry=0x2a7a8023800, initial_invoke=0x189, initial_invoke@entry=0xffff9e6d7b20 <thread_initial_invoke>, invoke_data=0x0, invoke_data@entry=0x2a7a85f0490, outer_runloop=outer_runloop@entry=0x0) at src/core/interp.c:177
#11 0x0000ffff9e6d7c78 in start_thread (data=0x2a7a85f0490) at src/core/threads.c:101
#12 0x0000ffff9e334b30 in start_thread (arg=0xffff9e13f180) at ./nptl/pthread_create.c:447
#13 0x0000ffff9e39d88c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone3.S:76

Thread 6 (Thread 0xffff99e77180 (LWP 188760) "4: GeneralWorke"):
#0  0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7ae21bee4, expected=0, op=393, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=0x2a7ae21bee4, expected=0, clockid=0, abstime=0x0, private=0, cancel=true) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x2a7ae21bee4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000ffff9e333ce0 in __pthread_cond_wait_common (cond=0x2a7ae21beb8, mutex=0x2a7ae21be58, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=cond@entry=0x2a7ae21beb8, mutex=mutex@entry=0x2a7ae21be58) at ./nptl/pthread_cond_wait.c:627
#5  0x0000ffff9e81ec0c in uv_cond_wait (cond=cond@entry=0x2a7ae21beb8, mutex=mutex@entry=0x2a7ae21be58) at 3rdparty/libuv/src/unix/thread.c:835
#6  0x0000ffff9e73bbe0 in shift (tc=0x2a7afe23800, st=<optimized out>, root=<optimized out>, data=<optimized out>, value=0x2a7af740340, kind=<optimized out>) at src/6model/reprs/ConcBlockingQueue.c:246
#7  0x0000ffff9e6b2bec in MVM_interp_run (tc=0x2a7ae21bee4, tc@entry=0x2a7afe23800, initial_invoke=0x189, initial_invoke@entry=0xffff9e6d7b20 <thread_initial_invoke>, invoke_data=0x0, invoke_data@entry=0x2a7afee4c20, outer_runloop=outer_runloop@entry=0x0) at src/core/interp.c:2245
#8  0x0000ffff9e6d7c78 in start_thread (data=0x2a7afee4c20) at src/core/threads.c:101
--Type <RET> for more, q to quit, c to continue without paging--
#9  0x0000ffff9e334b30 in start_thread (arg=0xffff99e77180) at ./nptl/pthread_create.c:447
#10 0x0000ffff9e39d88c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone3.S:76

Thread 5 (Thread 0xffff99667180 (LWP 188761) "5: Supervisor"):
#0  0x0000ffff9e36cba0 in __GI___clock_nanosleep (clock_id=<optimized out>, clock_id@entry=0, flags=flags@entry=0, req=req@entry=0xffff99666470, rem=rem@entry=0xffff99666470) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
#1  0x0000ffff9e37739c in __GI___nanosleep (req=req@entry=0xffff99666470, rem=rem@entry=0xffff99666470) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x0000ffff9e7f4f2c in MVM_platform_sleep (second=<optimized out>) at src/platform/posix/time.c:46
#3  0x0000ffff9e6b3b5c in MVM_interp_run (tc=0x0, tc@entry=0x2a7afe25c00, initial_invoke=0x0, initial_invoke@entry=0xffff9e6d7b20 <thread_initial_invoke>, invoke_data=0xffff99666470, invoke_data@entry=0x2a7afee4750, outer_runloop=0xffff99666470, outer_runloop@entry=0x0) at src/core/interp.c:3496
#4  0x0000ffff9e6d7c78 in start_thread (data=0x2a7afee4750) at src/core/threads.c:101
#5  0x0000ffff9e334b30 in start_thread (arg=0xffff99667180) at ./nptl/pthread_create.c:447
#6  0x0000ffff9e39d88c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone3.S:76

Thread 4 (Thread 0xffff98e57180 (LWP 188762) "6: AffinityWork"):
#0  0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7b45114a0, expected=0, op=393, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=0x2a7b45114a0, expected=0, clockid=0, abstime=0x0, private=0, cancel=true) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x2a7b45114a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000ffff9e333ce0 in __pthread_cond_wait_common (cond=0x2a7b4511478, mutex=0x2a7b4511418, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=cond@entry=0x2a7b4511478, mutex=mutex@entry=0x2a7b4511418) at ./nptl/pthread_cond_wait.c:627
#5  0x0000ffff9e81ec0c in uv_cond_wait (cond=cond@entry=0x2a7b4511478, mutex=mutex@entry=0x2a7b4511418) at 3rdparty/libuv/src/unix/thread.c:835
#6  0x0000ffff9e73bbe0 in shift (tc=0x2a7b411b800, st=<optimized out>, root=<optimized out>, data=<optimized out>, value=0x2a7b4780330, kind=<optimized out>) at src/6model/reprs/ConcBlockingQueue.c:246
#7  0x0000ffff9e6b2bec in MVM_interp_run (tc=0x2a7b45114a0, tc@entry=0x2a7b411b800, initial_invoke=0x189, initial_invoke@entry=0xffff9e6d7b20 <thread_initial_invoke>, invoke_data=0x0, invoke_data@entry=0x2a7b408fff0, outer_runloop=outer_runloop@entry=0x0) at src/core/interp.c:2245
#8  0x0000ffff9e6d7c78 in start_thread (data=0x2a7b408fff0) at src/core/threads.c:101
#9  0x0000ffff9e334b30 in start_thread (arg=0xffff98e57180) at ./nptl/pthread_create.c:447
#10 0x0000ffff9e39d88c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone3.S:76

Thread 3 (Thread 0xffff9863f180 (LWP 188763) "async io thread"):
#0  0x0000ffff9e39dbc4 in __GI_epoll_pwait (epfd=epfd@entry=4, events=events@entry=0xffff9863a358, maxevents=maxevents@entry=1024, timeout=timeout@entry=-1738284072, set=0x0, set@entry=0x8) at ../sysdeps/unix/sysv/linux/epoll_pwait.c:40
#1  0x0000ffff9e80b758 in uv__io_poll (loop=loop@entry=0x2a7b4542700, timeout=<optimized out>) at 3rdparty/libuv/src/unix/linux.c:1465
--Type <RET> for more, q to quit, c to continue without paging--
#2  0x0000ffff9e81256c in uv_run (loop=0x2a7b4542700, mode=UV_RUN_DEFAULT) at 3rdparty/libuv/src/unix/core.c:460
#3  0x0000ffff9e6d7b84 in thread_initial_invoke (tc=0x2a7b4113800, data=<optimized out>) at src/core/threads.c:68
#4  0x0000ffff9e6afa54 in MVM_interp_run (tc=0xfffffffffffffffc, tc@entry=0x2a7b4113800, initial_invoke=0xffff9863a358, initial_invoke@entry=0xffff9e6d7b20 <thread_initial_invoke>, invoke_data=0x400, invoke_data@entry=0x2a7b4083760, outer_runloop=0xffffffffffffffff, outer_runloop@entry=0x0) at src/core/interp.c:177
#5  0x0000ffff9e6d7c78 in start_thread (data=0x2a7b4083760) at src/core/threads.c:101
#6  0x0000ffff9e334b30 in start_thread (arg=0xffff9863f180) at ./nptl/pthread_create.c:447
#7  0x0000ffff9e39d88c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone3.S:76

Thread 2 (Thread 0xffff97e2b180 (LWP 188765) "8: GeneralWorke"):
#0  0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7ae21bee4, expected=0, op=393, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=0x2a7ae21bee4, expected=0, clockid=0, abstime=0x0, private=0, cancel=true) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x2a7ae21bee4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000ffff9e333ce0 in __pthread_cond_wait_common (cond=0x2a7ae21beb8, mutex=0x2a7ae21be58, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=cond@entry=0x2a7ae21beb8, mutex=mutex@entry=0x2a7ae21be58) at ./nptl/pthread_cond_wait.c:627
#5  0x0000ffff9e81ec0c in uv_cond_wait (cond=cond@entry=0x2a7ae21beb8, mutex=mutex@entry=0x2a7ae21be58) at 3rdparty/libuv/src/unix/thread.c:835
#6  0x0000ffff9e73bbe0 in shift (tc=0x2a7b21b0400, st=<optimized out>, root=<optimized out>, data=<optimized out>, value=0x2a7b25a0340, kind=<optimized out>) at src/6model/reprs/ConcBlockingQueue.c:246
#7  0x0000ffff9e6b2bec in MVM_interp_run (tc=0x2a7ae21bee4, tc@entry=0x2a7b21b0400, initial_invoke=0x189, initial_invoke@entry=0xffff9e6d7b20 <thread_initial_invoke>, invoke_data=0x0, invoke_data@entry=0x2a7b20802b0, outer_runloop=outer_runloop@entry=0x0) at src/core/interp.c:2245
#8  0x0000ffff9e6d7c78 in start_thread (data=0x2a7b20802b0) at src/core/threads.c:101
#9  0x0000ffff9e334b30 in start_thread (arg=0xffff97e2b180) at ./nptl/pthread_create.c:447
#10 0x0000ffff9e39d88c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone3.S:76

Thread 1 (Thread 0xffff9ed78440 (LWP 188744) "rakudo"):
#0  0x0000ffff9e330edc in __futex_abstimed_wait_common64 (private=0, futex_word=0x2a7afec3ca8, expected=0, op=393, abstime=0x0, cancel=true) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=0x2a7afec3ca8, expected=0, clockid=0, abstime=0x0, private=0, cancel=true) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x2a7afec3ca8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000ffff9e333ce0 in __pthread_cond_wait_common (cond=0x2a7afec3c80, mutex=0x2a7afec3d10, clockid=0, abstime=0x0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x2a7afec3c80, mutex=0x2a7afec3d10) at ./nptl/pthread_cond_wait.c:627
#5  0x0000ffff9e81ec0c in uv_cond_wait (cond=<optimized out>, mutex=<optimized out>) at 3rdparty/libuv/src/unix/thread.c:835
#6  0x0000ffff9e73af28 in MVM_conditionvariable_wait (tc=0x2a7a8020000, cv=<optimized out>) at src/6model/reprs/ConditionVariable.c:142
--Type <RET> for more, q to quit, c to continue without paging--
#7  0x0000ffff9e6b4d44 in MVM_interp_run (tc=0x2a7afec3ca8, initial_invoke=0x189, initial_invoke@entry=0xffff9e7f2b40 <toplevel_initial_invoke>, invoke_data=0x0, outer_runloop=outer_runloop@entry=0x0) at src/core/interp.c:3902
#8  0x0000ffff9e7f4048 in MVM_vm_run_file (instance=instance@entry=0x2a7a8010a00, filename=filename@entry=0xaaaad0fb4510 "/home/dan/r/install/share/perl6/runtime/perl6.moarvm") at src/moar.c:523
#9  0x0000aaaac41b1370 in main (argc=<optimized out>, argv=0xffffd6edf298) at src/vm/moar/runner/main.c:497
(gdb)

Thread 1 rakudo backtrace:

   at SETTING::src/core.c/Lock.rakumod:14  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:wait)
 from SETTING::src/core.c/Promise.rakumod:195  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:)
 from SETTING::src/core.c/Lock.rakumod:30  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:protect)
 from SETTING::src/core.c/Promise.rakumod:194  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:result)
 from SETTING::src/core.c/traits.rakumod:438  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:<anon>)
 from site#sources/5D2A0C938B6800BF1A3F66830C6AD233F1FC6C01 (App::Prove6):52  (/home/dan/.raku/precomp/DB11A80421D4C3CABDDA367BE843D0329847ED12/5D/5D2A0C938B6800BF1A3F66830C6AD233F1FC6C01:)
 from site#sources/5D2A0C938B6800BF1A3F66830C6AD233F1FC6C01 (App::Prove6):27  (/home/dan/.raku/precomp/DB11A80421D4C3CABDDA367BE843D0329847ED12/5D/5D2A0C938B6800BF1A3F66830C6AD233F1FC6C01:MAIN)
 from SETTING::src/core.c/Main.rakumod:469  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:)
 from SETTING::src/core.c/Main.rakumod:465  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:)
 from SETTING::src/core.c/Main.rakumod:464  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:RUN-MAIN)
 from /home/dan/r/install/share/perl6/site/resources/45381EFE59AF8BDD89F949C5DEABE77175EACA38:5  (<ephemeral file>:<unit>)
 from /home/dan/r/install/share/perl6/site/resources/45381EFE59AF8BDD89F949C5DEABE77175EACA38:1  (<ephemeral file>:<unit-outer>)
 from SETTING::src/core.c/CompUnit/Loader.rakumod:22  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:load-source)
 from SETTING::src/core.c/CompUnit/Loader.rakumod:8  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:load-source-file)
 from SETTING::src/core.c/CompUnit/Repository/AbsolutePath.rakumod:28  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:)
 from SETTING::src/core.c/Lock.rakumod:30  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:protect)
 from SETTING::src/core.c/CompUnit/Repository/AbsolutePath.rakumod:27  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:)
 from SETTING::src/core.c/CompUnit/Repository/AbsolutePath.rakumod:22  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:load)
 from SETTING::src/core.c/CompUnit/Repository.rakumod:28  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:load)
 from SETTING::src/core.c/CompUnit/Repository.rakumod:28  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:load)
 from SETTING::src/core.c/CompUnit/Repository.rakumod:28  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:load)
 from SETTING::src/core.c/CompUnit/Repository.rakumod:28  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:load)
 from SETTING::src/core.c/CompUnit/RepositoryRegistry.rakumod:337  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:run-script)
 from /home/dan/r/install/share/perl6/site/bin/prove6:3  (<ephemeral file>:MAIN)
 from SETTING::src/core.c/Main.rakumod:469  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:)
 from SETTING::src/core.c/Main.rakumod:465  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:)
 from SETTING::src/core.c/Main.rakumod:464  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:RUN-MAIN)
 from /home/dan/r/install/share/perl6/site/bin/prove6:1  (<ephemeral file>:<unit>)
 from /home/dan/r/install/share/perl6/site/bin/prove6:1  (<ephemeral file>:<unit-outer>)
 from NQP::src/HLL/Compiler.nqp:197  (/home/dan/r/install/share/nqp/lib/NQPHLL.moarvm:eval)
 from NQP::src/HLL/Compiler.nqp:423  (/home/dan/r/install/share/nqp/lib/NQPHLL.moarvm:evalfiles)
 from NQP::src/HLL/Compiler.nqp:313  (/home/dan/r/install/share/nqp/lib/NQPHLL.moarvm:command_eval)
 from src/Perl6/Compiler.nqp:234  (/home/dan/r/install/share/perl6/lib/Perl6/Compiler.moarvm:command_eval)
 from NQP::src/HLL/Compiler.nqp:269  (/home/dan/r/install/share/nqp/lib/NQPHLL.moarvm:command_line)
 from src/main.nqp:81  (/home/dan/r/install/share/perl6/runtime/perl6.moarvm:MAIN)
 from src/main.nqp:63  (/home/dan/r/install/share/perl6/runtime/perl6.moarvm:<mainline>)
 from <unknown>:1  (/home/dan/r/install/share/perl6/runtime/perl6.moarvm:<main>)
 from <unknown>:1  (/home/dan/r/install/share/perl6/runtime/perl6.moarvm:<entry>)

Thread 2 rakudo backtrace:

   at SETTING::src/core.c/ThreadPoolScheduler.rakumod:291  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:)
 from SETTING::src/core.c/Thread.rakumod:72  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:THREAD-ENTRY)

Thread 3 rakudo backtrace was empty

Thread 4 rakudo backtrace:

   at SETTING::src/core.c/ThreadPoolScheduler.rakumod:314  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:)
 from SETTING::src/core.c/Thread.rakumod:72  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:THREAD-ENTRY)

Thread 5 didn't look like it had a useable tc

Thread 6 rakudo backtrace:

   at SETTING::src/core.c/ThreadPoolScheduler.rakumod:291  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:)
 from SETTING::src/core.c/Thread.rakumod:72  (/home/dan/r/install/share/perl6/runtime/CORE.c.setting.moarvm:THREAD-ENTRY)

Thread 7 rakudo backtrace was empty

dan         4394  0.0  0.0  21008  4768 pts/5    Ss   Apr29   0:01  |   \_ /bin/bash
dan       188744  0.1  0.8 1499440 194992 pts/5  tl+  11:31   0:01  |   |   \_ rakudo /home/dan/r/install/share/perl6/site/bin/prove6 -j6 -I. t/