[Mono-dev] Deadlock in Mono 3.2.7
Jörg Rosenkranz
joerg.rosenkranz at gmail.com
Fri Dec 13 12:17:22 UTC 2013
I've seen such behavior when using Task.WhenAll, but was not able to
reproduce it in a simple test case.
Any chance that the lib is using this call?
Joerg.
2013/12/10 Christian Smith <smith.cba at gmail.com>
> Hi,
>
> I've been running mono 3.2.7 & 3.2.3 and see deadlocks 100% of the time on
> Windows & Linux when I run a small test case using the Azure blob storage
> libraries. The code works fine without Mono and has been in production for
> a long time.
>
> The test case creates 10 concurrent Tasks, each of which uploads,
> downloads and deletes an 8MB file.
>
> I've got the backtrace below, I'm not 100% clear on it but maybe someone
> else can see something fishy?
>
> Any help is greatly appreciated, thanks!
>
> -Christian
>
>
> Using Mono built from source (GitHub) on Ubuntu 13.04 server x64
>
> $ /usr/local/bin/mono --version
> Mono Runtime Engine version 3.2.7
> (remotes/origin/mono-3.2.5-branch/9003740 Wed Dec 4 02:16:54 UTC 2013)
> Copyright (C) 2002-2013 Novell, Inc, Xamarin Inc and Contributors.
> www.mono-project.com
> TLS: __thread
> SIGSEGV: altstack
> Notifications: epoll
> Architecture: amd64
> Disabled: none
> Misc: softdebug
> LLVM: supported, not enabled.
> GC: sgen
>
>
> (gdb) thread apply all bt
>
> Thread 27 (Thread 0x7fcb747e5700 (LWP 39275)):
> #0 0x00007fcb7732cf80 in sem_wait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626e38 in mono_sem_wait (sem=sem at entry=0x96f5a0
> <finalizer_sem>, alertable=alertable at entry=1)
> at mono-semaphore.c:119
> #2 0x00000000005a2d75 in finalizer_thread (unused=unused at entry=0x0) at
> gc.c:1073
> #3 0x0000000000586942 in start_wrapper_internal (data=0x266d380) at
> threads.c:609
> #4 start_wrapper (data=0x266d380) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25eedd0)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x2670ff0) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 26 (Thread 0x7fcb6ff7c700 (LWP 39276)):
> #0 0x00007fcb7732e43d in nanosleep () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x000000000061aaa7 in SleepEx (ms=ms at entry=500,
> alertable=alertable at entry=1) at wthreads.c:842
> #2 0x0000000000588673 in monitor_thread (unused=unused at entry=0x0) at
> threadpool.c:779
> #3 0x0000000000586942 in start_wrapper_internal (data=0x2aa43d0) at
> threads.c:609
> #4 start_wrapper (data=0x2aa43d0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25ef028)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x2b04520) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 25 (Thread 0x7fcb6fdff700 (LWP 39277)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x2b04ac0) at
> threads.c:609
> #4 start_wrapper (data=0x2b04ac0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25ef0f0)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x2b04710) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 24 (Thread 0x7fcb6fbb5700 (LWP 39278)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25ef348)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb68002650) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 23 (Thread 0x7fcb6f9b4700 (LWP 39279)):
> #0 0x00007fcb7732aca4 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000604c6b in _wapi_handle_timedwait_signal_handle
> (handle=handle at entry=0x43e, timeout=timeout at entry=0x0,
> alertable=alertable at entry=1, poll=poll at entry=0) at handles.c:1588
> #2 0x0000000000604c9b in _wapi_handle_wait_signal_handle
> (handle=handle at entry=0x43e, alertable=alertable at entry=1)
> at handles.c:1533
> #3 0x000000000061881d in WaitForSingleObjectEx (handle=0x43e,
> timeout=timeout at entry=4294967295, alertable=alertable at entry=1)
> at wait.c:196
> #4 0x0000000000584aef in mono_wait_uninterrupted (thread=thread at entry=0x7fcb76d0b870,
> multiple=multiple at entry=0,
> numhandles=numhandles at entry=1, handles=handles at entry=0x7fcb6f9b1e78,
> waitall=waitall at entry=0, ms=ms at entry=-1, alertable=1)
> at threads.c:1497
> #5 0x0000000000586279 in
> ves_icall_System_Threading_WaitHandle_WaitOne_internal (this=<optimized
> out>, handle=0x43e, ms=-1,
> exitContext=<optimized out>) at threads.c:1629
> #6 0x0000000041e3cf88 in ?? ()
> #7 0x00007fcb58002540 in ?? ()
> #8 0x00007fcb769400b8 in ?? ()
> #9 0x00007fcb76809040 in ?? ()
> #10 0x00007fcb6f9b1f20 in ?? ()
> #11 0x00007fcb6f9b1ea0 in ?? ()
> #12 0x00007fcb76809040 in ?? ()
> #13 0x00007fcb768e5aa0 in ?? ()
> #14 0x0000000000000000 in ?? ()
>
> Thread 22 (Thread 0x7fcb6f7b3700 (LWP 39280)):
> #0 0x00007fcb7732aca4 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000604c6b in _wapi_handle_timedwait_signal_handle
> (handle=handle at entry=0x43e, timeout=timeout at entry=0x0,
> alertable=alertable at entry=1, poll=poll at entry=0) at handles.c:1588
> #2 0x0000000000604c9b in _wapi_handle_wait_signal_handle
> (handle=handle at entry=0x43e, alertable=alertable at entry=1)
> at handles.c:1533
> #3 0x000000000061881d in WaitForSingleObjectEx (handle=0x43e,
> timeout=timeout at entry=4294967295, alertable=alertable at entry=1)
> at wait.c:196
> #4 0x0000000000584aef in mono_wait_uninterrupted (thread=thread at entry=0x7fcb76d0b710,
> multiple=multiple at entry=0,
> numhandles=numhandles at entry=1, handles=handles at entry=0x7fcb6f7b0e78,
> waitall=waitall at entry=0, ms=ms at entry=-1, alertable=1)
> ---Type <return> to continue, or q <return> to quit---
> at threads.c:1497
> #5 0x0000000000586279 in
> ves_icall_System_Threading_WaitHandle_WaitOne_internal (this=<optimized
> out>, handle=0x43e, ms=-1,
> exitContext=<optimized out>) at threads.c:1629
> #6 0x0000000041e3cf88 in ?? ()
> #7 0x00007fcb5c002540 in ?? ()
> #8 0x00007fcb769400b8 in ?? ()
> #9 0x00007fcb76809040 in ?? ()
> #10 0x00007fcb6f7b0f20 in ?? ()
> #11 0x00007fcb6f7b0ea0 in ?? ()
> #12 0x00007fcb76809040 in ?? ()
> #13 0x00007fcb768ecaa0 in ?? ()
> #14 0x0000000000000000 in ?? ()
>
> Thread 21 (Thread 0x7fcb6f5b2700 (LWP 39282)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25ef7f8)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb68002b60) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 20 (Thread 0x7fcb6f3b1700 (LWP 39283)):
> #0 0x00007fcb7732aca4 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000604c6b in _wapi_handle_timedwait_signal_handle
> (handle=handle at entry=0x43e, timeout=timeout at entry=0x0,
> alertable=alertable at entry=1, poll=poll at entry=0) at handles.c:1588
> #2 0x0000000000604c9b in _wapi_handle_wait_signal_handle
> (handle=handle at entry=0x43e, alertable=alertable at entry=1)
> at handles.c:1533
> #3 0x000000000061881d in WaitForSingleObjectEx (handle=0x43e,
> timeout=timeout at entry=4294967295, alertable=alertable at entry=1)
> at wait.c:196
> #4 0x0000000000584aef in mono_wait_uninterrupted (thread=thread at entry=0x7fcb76d0b450,
> multiple=multiple at entry=0,
> numhandles=numhandles at entry=1, handles=handles at entry=0x7fcb6f3aee78,
> waitall=waitall at entry=0, ms=ms at entry=-1, alertable=1)
> at threads.c:1497
> #5 0x0000000000586279 in
> ves_icall_System_Threading_WaitHandle_WaitOne_internal (this=<optimized
> out>, handle=0x43e, ms=-1,
> exitContext=<optimized out>) at threads.c:1629
> #6 0x0000000041e3cf88 in ?? ()
> #7 0x00007fcb54002540 in ?? ()
> #8 0x00007fcb769400b8 in ?? ()
> #9 0x00007fcb76809040 in ?? ()
> #10 0x00007fcb6f3aef20 in ?? ()
> #11 0x00007fcb6f3aeea0 in ?? ()
> #12 0x00007fcb76809040 in ?? ()
> #13 0x00007fcb768faaa0 in ?? ()
> #14 0x0000000000000000 in ?? ()
>
> Thread 19 (Thread 0x7fcb6f1b0700 (LWP 39284)):
> #0 0x00007fcb7732aca4 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000604c6b in _wapi_handle_timedwait_signal_handle
> (handle=handle at entry=0x43e, timeout=timeout at entry=0x0,
> alertable=alertable at entry=1, poll=poll at entry=0) at handles.c:1588
> #2 0x0000000000604c9b in _wapi_handle_wait_signal_handle
> (handle=handle at entry=0x43e, alertable=alertable at entry=1)
> at handles.c:1533
> #3 0x000000000061881d in WaitForSingleObjectEx (handle=0x43e,
> timeout=timeout at entry=4294967295, alertable=alertable at entry=1)
> at wait.c:196
> #4 0x0000000000584aef in mono_wait_uninterrupted (thread=thread at entry=0x7fcb76d0b2f0,
> multiple=multiple at entry=0,
> numhandles=numhandles at entry=1, handles=handles at entry=0x7fcb6f1ade78,
> waitall=waitall at entry=0, ms=ms at entry=-1, alertable=1)
> at threads.c:1497
> #5 0x0000000000586279 in
> ves_icall_System_Threading_WaitHandle_WaitOne_internal (this=<optimized
> out>, handle=0x43e, ms=-1,
> exitContext=<optimized out>) at threads.c:1629
> #6 0x0000000041e3cf88 in ?? ()
> #7 0x00007fcb48002540 in ?? ()
> #8 0x00007fcb769400b8 in ?? ()
> #9 0x00007fcb76809040 in ?? ()
> #10 0x00007fcb6f1adf20 in ?? ()
> #11 0x00007fcb6f1adea0 in ?? ()
> #12 0x00007fcb76809040 in ?? ()
> #13 0x00007fcb76901aa0 in ?? ()
> #14 0x0000000000000000 in ?? ()
>
> Thread 18 (Thread 0x7fcb6efaf700 (LWP 39285)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25efca8)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb68003070) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> ---Type <return> to continue, or q <return> to quit---
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 17 (Thread 0x7fcb6edae700 (LWP 39286)):
> #0 0x00007fcb7732aca4 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000604c6b in _wapi_handle_timedwait_signal_handle
> (handle=handle at entry=0x43e, timeout=timeout at entry=0x0,
> alertable=alertable at entry=1, poll=poll at entry=0) at handles.c:1588
> #2 0x0000000000604c9b in _wapi_handle_wait_signal_handle
> (handle=handle at entry=0x43e, alertable=alertable at entry=1)
> at handles.c:1533
> #3 0x000000000061881d in WaitForSingleObjectEx (handle=0x43e,
> timeout=timeout at entry=4294967295, alertable=alertable at entry=1)
> at wait.c:196
> #4 0x0000000000584aef in mono_wait_uninterrupted (thread=thread at entry=0x7fcb76d0b030,
> multiple=multiple at entry=0,
> numhandles=numhandles at entry=1, handles=handles at entry=0x7fcb6edabe78,
> waitall=waitall at entry=0, ms=ms at entry=-1, alertable=1)
> at threads.c:1497
> #5 0x0000000000586279 in
> ves_icall_System_Threading_WaitHandle_WaitOne_internal (this=<optimized
> out>, handle=0x43e, ms=-1,
> exitContext=<optimized out>) at threads.c:1629
> #6 0x0000000041e3cf88 in ?? ()
> #7 0x00007fcb40002540 in ?? ()
> #8 0x00007fcb769400b8 in ?? ()
> #9 0x00007fcb76809040 in ?? ()
> #10 0x00007fcb6edabf20 in ?? ()
> #11 0x00007fcb6edabea0 in ?? ()
> #12 0x00007fcb76809040 in ?? ()
> #13 0x00007fcb7690faa0 in ?? ()
> #14 0x0000000000000000 in ?? ()
>
> Thread 16 (Thread 0x7fcb6ebad700 (LWP 39287)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25effc8)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb680033d0) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 15 (Thread 0x7fcb6e9ac700 (LWP 39288)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f0158)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb68003580) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 14 (Thread 0x7fcb6e7ab700 (LWP 39289)):
> #0 0x00007fcb7732aca4 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000604c6b in _wapi_handle_timedwait_signal_handle
> (handle=handle at entry=0x43e, timeout=timeout at entry=0x0,
> alertable=alertable at entry=1, poll=poll at entry=0) at handles.c:1588
> #2 0x0000000000604c9b in _wapi_handle_wait_signal_handle
> (handle=handle at entry=0x43e, alertable=alertable at entry=1)
> at handles.c:1533
> #3 0x000000000061881d in WaitForSingleObjectEx (handle=0x43e,
> timeout=timeout at entry=4294967295, alertable=alertable at entry=1)
> at wait.c:196
> #4 0x0000000000584aef in mono_wait_uninterrupted (thread=thread at entry=0x7fcb76d0ac10,
> multiple=multiple at entry=0,
> numhandles=numhandles at entry=1, handles=handles at entry=0x7fcb6e7a8e78,
> waitall=waitall at entry=0, ms=ms at entry=-1, alertable=1)
> at threads.c:1497
> #5 0x0000000000586279 in
> ves_icall_System_Threading_WaitHandle_WaitOne_internal (this=<optimized
> out>, handle=0x43e, ms=-1,
> exitContext=<optimized out>) at threads.c:1629
> #6 0x0000000041e3cf88 in ?? ()
> #7 0x00007fcb3c002540 in ?? ()
> #8 0x00007fcb769400b8 in ?? ()
> #9 0x00007fcb76809040 in ?? ()
> #10 0x00007fcb6e7a8f20 in ?? ()
> #11 0x00007fcb6e7a8ea0 in ?? ()
> #12 0x00007fcb76809040 in ?? ()
> #13 0x00007fcb76924aa0 in ?? ()
> #14 0x0000000000000000 in ?? ()
>
> Thread 13 (Thread 0x7fcb6e5aa700 (LWP 39290)):
> #0 0x00007fcb7732aca4 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000604c6b in _wapi_handle_timedwait_signal_handle
> (handle=handle at entry=0x43e, timeout=timeout at entry=0x0,
> alertable=alertable at entry=1, poll=poll at entry=0) at handles.c:1588
> #2 0x0000000000604c9b in _wapi_handle_wait_signal_handle
> (handle=handle at entry=0x43e, alertable=alertable at entry=1)
> at handles.c:1533
> #3 0x000000000061881d in WaitForSingleObjectEx (handle=0x43e,
> timeout=timeout at entry=4294967295, alertable=alertable at entry=1)
> at wait.c:196
> #4 0x0000000000584aef in mono_wait_uninterrupted (thread=thread at entry=0x7fcb76d0aab0,
> multiple=multiple at entry=0,
> ---Type <return> to continue, or q <return> to quit---
> numhandles=numhandles at entry=1, handles=handles at entry=0x7fcb6e5a7e78,
> waitall=waitall at entry=0, ms=ms at entry=-1, alertable=1)
> at threads.c:1497
> #5 0x0000000000586279 in
> ves_icall_System_Threading_WaitHandle_WaitOne_internal (this=<optimized
> out>, handle=0x43e, ms=-1,
> exitContext=<optimized out>) at threads.c:1629
> #6 0x0000000041e3cf88 in ?? ()
> #7 0x00007fcb30002540 in ?? ()
> #8 0x00007fcb769400b8 in ?? ()
> #9 0x00007fcb76809040 in ?? ()
> #10 0x00007fcb6e5a7f20 in ?? ()
> #11 0x00007fcb6e5a7ea0 in ?? ()
> #12 0x00007fcb76809040 in ?? ()
> #13 0x00007fcb7692baa0 in ?? ()
> #14 0x0000000000000000 in ?? ()
>
> Thread 12 (Thread 0x7fcb6e3a9700 (LWP 39291)):
> #0 0x00007fcb7732aca4 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000604c6b in _wapi_handle_timedwait_signal_handle
> (handle=handle at entry=0x43e, timeout=timeout at entry=0x0,
> alertable=alertable at entry=1, poll=poll at entry=0) at handles.c:1588
> #2 0x0000000000604c9b in _wapi_handle_wait_signal_handle
> (handle=handle at entry=0x43e, alertable=alertable at entry=1)
> at handles.c:1533
> #3 0x000000000061881d in WaitForSingleObjectEx (handle=0x43e,
> timeout=timeout at entry=4294967295, alertable=alertable at entry=1)
> at wait.c:196
> #4 0x0000000000584aef in mono_wait_uninterrupted (thread=thread at entry=0x7fcb76d0a950,
> multiple=multiple at entry=0,
> numhandles=numhandles at entry=1, handles=handles at entry=0x7fcb6e3a6e78,
> waitall=waitall at entry=0, ms=ms at entry=-1, alertable=1)
> at threads.c:1497
> #5 0x0000000000586279 in
> ves_icall_System_Threading_WaitHandle_WaitOne_internal (this=<optimized
> out>, handle=0x43e, ms=-1,
> exitContext=<optimized out>) at threads.c:1629
> #6 0x0000000041e3cf88 in ?? ()
> #7 0x00007fcb34002540 in ?? ()
> #8 0x00007fcb769400b8 in ?? ()
> #9 0x00007fcb76809040 in ?? ()
> #10 0x00007fcb6e3a6f20 in ?? ()
> #11 0x00007fcb6e3a6ea0 in ?? ()
> #12 0x00007fcb76809040 in ?? ()
> #13 0x00007fcb76932aa0 in ?? ()
> #14 0x0000000000000000 in ?? ()
>
> Thread 11 (Thread 0x7fcb6e1a8700 (LWP 39292)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f0798)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb68003c40) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 10 (Thread 0x7fcb6d985700 (LWP 39294)):
> #0 0x00007fcb770514d3 in epoll_wait () from
> /lib/x86_64-linux-gnu/libc.so.6
> #1 0x00000000005895e4 in tp_epoll_wait (p=p at entry=0x96f0a0
> <socket_io_data>) at ../../mono/metadata/tpool-epoll.c:118
> #2 0x0000000000586942 in start_wrapper_internal (data=0x7fcb2c06bec0) at
> threads.c:609
> #3 start_wrapper (data=0x7fcb2c06bec0) at threads.c:654
> #4 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f09f0)
> at wthreads.c:294
> #5 0x000000000062b710 in inner_start_thread (arg=0x7fcb2c071b60) at
> mono-threads-posix.c:49
> #6 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #7 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 9 (Thread 0x7fcb6d944700 (LWP 39295)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f148
> <async_io_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f120
> <async_io_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb2c06dc70) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb2c06dc70) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f0ab8)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb2c0545a0) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 8 (Thread 0x7fcb0c9fc700 (LWP 39303)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f5fe0)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb68004660) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> ---Type <return> to continue, or q <return> to quit---
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 7 (Thread 0x7fcaf75fa700 (LWP 39318)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f66e8)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb68005420) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 6 (Thread 0x7fcaf6df6700 (LWP 39325)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f6ad0)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb68005c50) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 5 (Thread 0x7fcaf63f1700 (LWP 39330)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f6eb8)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb680065e0) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 4 (Thread 0x7fcaf51e8700 (LWP 39344)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f7750)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb680076c0) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 3 (Thread 0x7fcaf4fe7700 (LWP 39345)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f7818)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb68007740) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 2 (Thread 0x7fcaf5bed700 (LWP 39362)):
> #0 0x00007fcb7732d071 in sem_timedwait () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000626f1b in mono_sem_timedwait (sem=sem at entry=0x96f208
> <async_tp+40>, timeout_ms=timeout_ms at entry=2000,
> alertable=alertable at entry=1) at mono-semaphore.c:82
> #2 0x000000000058b292 in async_invoke_thread (data=0x0, data at entry=0x96f1e0
> <async_tp>) at threadpool.c:1565
> #3 0x0000000000586942 in start_wrapper_internal (data=0x7fcb680025c0) at
> threads.c:609
> #4 start_wrapper (data=0x7fcb680025c0) at threads.c:654
> #5 0x000000000061b7c1 in thread_start_routine (args=args at entry=0x25f9500)
> at wthreads.c:294
> #6 0x000000000062b710 in inner_start_thread (arg=0x7fcb68007100) at
> mono-threads-posix.c:49
> #7 0x00007fcb77326f8e in start_thread () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #8 0x00007fcb77050e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Thread 1 (Thread 0x7fcb77e5e7c0 (LWP 39274)):
> #0 0x00007fcb7732aca4 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib/x86_64-linux-gnu/libpthread.so.0
> #1 0x0000000000604c6b in _wapi_handle_timedwait_signal_handle
> (handle=handle at entry=0xc2b, timeout=timeout at entry=0x0,
> alertable=alertable at entry=1, poll=poll at entry=0) at handles.c:1588
> #2 0x0000000000604c9b in _wapi_handle_wait_signal_handle
> (handle=handle at entry=0xc2b, alertable=alertable at entry=1)
> at handles.c:1533
> #3 0x000000000061881d in WaitForSingleObjectEx (handle=0xc2b,
> timeout=timeout at entry=4294967295, alertable=alertable at entry=1)
> ---Type <return> to continue, or q <return> to quit---
> at wait.c:196
> #4 0x0000000000584aef in mono_wait_uninterrupted (thread=thread at entry=0x7fcb76d08010,
> multiple=multiple at entry=0,
> numhandles=numhandles at entry=1, handles=handles at entry=0x7fff4b3f8cd8,
> waitall=waitall at entry=0, ms=ms at entry=-1, alertable=1)
> at threads.c:1497
> #5 0x0000000000586279 in
> ves_icall_System_Threading_WaitHandle_WaitOne_internal (this=<optimized
> out>, handle=0xc2b, ms=-1,
> exitContext=<optimized out>) at threads.c:1629
> #6 0x0000000041e3cf88 in ?? ()
> #7 0x0000000002669960 in ?? ()
> #8 0x00007fcb76ba5350 in ?? ()
> #9 0x00007fcb76864210 in ?? ()
> #10 0x00007fff4b3f8d90 in ?? ()
> #11 0x00007fff4b3f8d00 in ?? ()
> #12 0x00007fcb76864f88 in ?? ()
> #13 0x00007fcb76864f20 in ?? ()
> #14 0x00007fcb76ba5328 in ?? ()
> #15 0xffffffffffffffff in ?? ()
> #16 0x00007fcb74bb5c73 in System.Threading.WaitHandle:WaitOne (this=...,
> millisecondsTimeout=0, exitContext=false)
> at <unknown>:382
> #17 0x00007fcb74bded91 in System.Threading.ManualResetEventSlim:Wait
> (this=..., millisecondsTimeout=-1, cancellationToken=0)
> at <unknown>:185
> #18 0x00007fcb74bcd55c in System.Threading.Tasks.Task:WaitCore (this=...,
> millisecondsTimeout=-1, cancellationToken=0)
> at <unknown>:675
> #19 0x00007fcb74bcd332 in System.Threading.Tasks.Task:Wait (this=...,
> millisecondsTimeout=-1, cancellationToken=0)
> at <unknown>:646
> #20 0x00007fcb74bcd257 in System.Threading.Tasks.Task:Wait (this=...) from
> /usr/local/lib/mono/4.5/mscorlib.dll.so
> #21 0x0000000041e3c0a6 in ?? ()
> #22 0x00007fcb76864f88 in ?? ()
> #23 0x00007fcb76864f88 in ?? ()
> #24 0x000000000000000f in ?? ()
> #25 0x0000000000000011 in ?? ()
> #26 0x00007fcb76800c78 in ?? ()
> #27 0x5b5b5b5b5b5b5b5b in ?? ()
> #28 0x0120202020202020 in ?? ()
> #29 0x00007fcb76868f48 in ?? ()
> #30 0x00007fcb76864f20 in ?? ()
> #31 0x000000000000000f in ?? ()
> #32 0x0000000000000000 in ?? ()
> (gdb)
>
>
> _______________________________________________
> Mono-devel-list mailing list
> Mono-devel-list at lists.ximian.com
> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ximian.com/pipermail/mono-devel-list/attachments/20131213/c1a24c09/attachment-0001.html>
More information about the Mono-devel-list
mailing list