Bug 30010 - Immediate Crashes on 4.0.1 and 4.1 (Master) - sgen crashes boehm works
Summary: Immediate Crashes on 4.0.1 and 4.1 (Master) - sgen crashes boehm works
Status: RESOLVED NORESPONSE
Alias: None
Product: Runtime
Classification: Mono
Component: GC (show other bugs)
Version: 4.0.0
Hardware: PC Linux
: --- normal
Target Milestone: ---
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2015-05-12 19:22 UTC by Andrew Katz
Modified: 2017-10-11 17:41 UTC (History)
4 users (show)

See Also:
Tags:
Is this bug a regression?: ---
Last known good build:


Attachments

Description Andrew Katz 2015-05-12 19:22:49 UTC
I have a multi-threaded console app that crashes nearly immediately.  Each crash is different.  See below.  When I run with gc=boehm I have yet to crash it.  When running with SGEN it crashes.

Try 1:

Stacktrace:


Native stacktrace:

Segmentation fault (core dumped)

-----

Try 2:

Stacktrace:

  at <unknown> <0xffffffff>
  at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.DeserializeConve
rtable (Newtonsoft.Json.JsonConverter,Newtonsoft.Json.JsonReader,System.Type,obj
ect) <IL 0x00069, 0x001dc>
  at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize (New
tonsoft.Json.JsonReader,System.Type,bool) <IL 0x00076, 0x001ab>
  at Newtonsoft.Json.JsonSerializer.DeserializeInternal (Newtonsoft.Json.JsonRea
der,System.Type) <IL 0x00057, 0x00197>
  at Newtonsoft.Json.JsonSerializer.Deserialize (Newtonsoft.Json.JsonReader,Syst
em.Type) <IL 0x00003, 0x0001b>
  at Newtonsoft.Json.JsonConvert.DeserializeObject (string,System.Type,Newtonsof
t.Json.JsonSerializerSettings) <IL 0x0002d, 0x000db>
  at Newtonsoft.Json.JsonConvert.DeserializeObject<TResult_REF> (string,Newtonso
ft.Json.JsonSerializerSettings) <IL 0x0000c, 0x0002f>
  at MP.Audience.Common.Expressions.AudienceDefinitionSerializer.DeserializePred
icateSnippet (string) <IL 0x00008, 0x00027>
  at MP.Audience.Engine.Cache.AudienceCache.BuildAudienceByOrganization (MP.Audi
ence.Engine.Cache.AudienceCacheData) <IL 0x0008d, 0x00353>
  at MP.Audience.Engine.Cache.AudienceCache.Refresh (System.Threading.Cancellati
onToken) <IL 0x000a3, 0x00203>
  at MP.Cache.Management.Building.CacheBuilder.Build () <IL 0x000f2, 0x002c6>
  at MP.Cache.Management.Building.CacheBuilder.BuildTimerCallback (object) <IL 0
x00003, 0x0001f>
  at System.Threading.Timer/Scheduler.TimerCB (object) [0x00007] in /home/ubuntu
/mono/mcs/class/corlib/System.Threading/Timer.cs:327
  at (wrapper runtime-invoke) <Module>.runtime_invoke_void__this___object (objec
t,intptr,intptr,intptr) <IL 0x0005a, 0xffffffff>

Native stacktrace:

        mono() [0x4a2858]
        /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7f6ca927e340]
        /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x39) [0x7f6ca8edfcc9]
        /lib/x86_64-linux-gnu/libc.so.6(abort+0x148) [0x7f6ca8ee30d8]
        mono() [0x634136]
        mono() [0x633f23]
        mono() [0x633fd9]
        mono() [0x4a345f]
        mono() [0x4a3b51]
        [0x40a43046]

Debug info from gdb:

Mono support loaded.
[New LWP 22132]
[New LWP 22131]
[New LWP 22125]
[New LWP 22124]
[New LWP 22123]
[New LWP 22122]
[New LWP 22121]
[New LWP 22120]
[New LWP 22119]
[New LWP 22118]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f6ca8ee0062 in do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux
/sigsuspend.c:31
31      ../sysdeps/unix/sysv/linux/sigsuspend.c: No such file or directory.
  Id   Target Id         Frame
  11   Thread 0x7f6ca7fff700 (LWP 22118) "mono" pthread_cond_wait@@GLIBC_2.3.2 (
) at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  10   Thread 0x7f6ca647a700 (LWP 22119) "Finalizer" sem_wait () at ../nptl/sysd
eps/unix/sysv/linux/x86_64/sem_wait.S:85
  9    Thread 0x7f6ca5493700 (LWP 22120) "mono" 0x00007f6ca8ee0062 in do_sigsusp
end (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:31
  8    Thread 0x7f6ca522e700 (LWP 22121) "Timer-Scheduler" 0x00007f6ca8ee0062 in
 do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:31
  7    Thread 0x7f6ca4e85700 (LWP 22122) "mono" 0x00007f6ca8fa3b13 in epoll_wait
 () at ../sysdeps/unix/syscall-template.S:81
  6    Thread 0x7f6ca4e40700 (LWP 22123) "IO Threadpool w" sem_timedwait () at .
./nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S:101
  5    Thread 0x7f6ca4dfb700 (LWP 22124) "Threadpool moni" __clock_nanosleep (cl
ock_id=1, flags=1, req=0x7f6ca4dfad30, rem=0xffffffffffffffff) at ../sysdeps/uni
x/sysv/linux/clock_nanosleep.c:49
  4    Thread 0x7f6ca4db6700 (LWP 22125) "Threadpool work" 0x00000000005f8277 in
 ?? ()
  3    Thread 0x7f6c7edd7700 (LWP 22131) "Threadpool work" 0x00007f6ca8ee0062 in
 do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:31
  2    Thread 0x7f6c7d313700 (LWP 22132) "Threadpool work" 0x00007f6ca8ee0062 in
 do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:31
* 1    Thread 0x7f6ca9db07c0 (LWP 22117) "mono" 0x00007f6ca8ee0062 in do_sigsusp
end (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:31

Thread 11 (Thread 0x7f6ca7fff700 (LWP 22118)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/
pthread_cond_wait.S:185
#1  0x00000000005ffa8c in ?? ()
#2  0x00007f6ca9276182 in start_thread (arg=0x7f6ca7fff700) at pthread_create.c:
312
#3  0x00007f6ca8fa347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:
111

Thread 10 (Thread 0x7f6ca647a700 (LWP 22119)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x0000000000625a27 in mono_sem_wait ()
#2  0x00000000005a8406 in ?? ()
#3  0x0000000000588334 in ?? ()
#4  0x000000000062bdee in ?? ()
#5  0x00007f6ca9276182 in start_thread (arg=0x7f6ca647a700) at pthread_create.c:
312
#6  0x00007f6ca8fa347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:
111

Thread 9 (Thread 0x7f6ca5493700 (LWP 22120)):
#0  0x00007f6ca8ee0062 in do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/l
inux/sigsuspend.c:31
#1  __GI___sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:
45
#2  0x00000000005ceb54 in ?? ()
#3  <signal handler called>
#4  0x00007f6ca8f9482b in read () at ../sysdeps/unix/syscall-template.S:81
#5  0x0000000040492b75 in ?? ()
#6  0x00007f6c98001500 in ?? ()
#7  0x00007f6ca5492e00 in ?? ()
#8  0x00007f6ca81a0c80 in ?? ()
#9  0x00007f6ca819fb48 in ?? ()
#10 0x00007f6ca819f988 in ?? ()
#11 0x00007f6c98000c80 in ?? ()
#12 0x0000000040492af0 in ?? ()
#13 0x00007f6ca5492a70 in ?? ()
#14 0x00007f6ca54929b0 in ?? ()
#15 0x0000000040492af0 in ?? ()
#16 0x00007f6ca81a0ca0 in ?? ()
#17 0x00000000404929e0 in ?? ()
#18 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f6ca522e700 (LWP 22121)):
#0  0x00007f6ca8ee0062 in do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/l
inux/sigsuspend.c:31
#1  __GI___sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:
45
#2  0x00000000005ceb54 in ?? ()
#3  <signal handler called>
#4  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x8
6_64/pthread_cond_timedwait.S:238
#5  0x0000000000604c27 in ?? ()
#6  0x0000000000617412 in ?? ()
#7  0x0000000000587c1f in ?? ()
#8  0x0000000000589529 in ?? ()
#9  0x00000000404c3f1d in ?? ()
#10 0x000000000000001a in ?? ()
#11 0x0000000000000001 in ?? ()
#12 0x000000000001d4c0 in ?? ()
#13 0x00007f6ca83729b8 in ?? ()
#14 0x000000000000e1c7 in ?? ()
#15 0x00007f6c9c000c80 in ?? ()
#16 0x00007f6ca4fbc130 in ?? ()
#17 0x00007f6ca522d8b0 in ?? ()
#18 0x00007f6ca522d820 in ?? ()
#19 0x00000000404c3e00 in ?? ()
#20 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f6ca4e85700 (LWP 22122)):
#0  0x00007f6ca8fa3b13 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81

#1  0x000000000058c182 in ?? ()
#2  0x0000000000588334 in ?? ()
#3  0x000000000062bdee in ?? ()
#4  0x00007f6ca9276182 in start_thread (arg=0x7f6ca4e85700) at pthread_create.c:
312
#5  0x00007f6ca8fa347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:
111

Thread 6 (Thread 0x7f6ca4e40700 (LWP 22123)):
#0  sem_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S:1
01
#1  0x0000000000625b0b in mono_sem_timedwait ()
#2  0x000000000058c872 in ?? ()
#3  0x0000000000588334 in ?? ()
#4  0x000000000062bdee in ?? ()
#5  0x00007f6ca9276182 in start_thread (arg=0x7f6ca4e40700) at pthread_create.c:
312
#6  0x00007f6ca8fa347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:
111

Thread 5 (Thread 0x7f6ca4dfb700 (LWP 22124)):
#0  __clock_nanosleep (clock_id=1, flags=1, req=0x7f6ca4dfad30, rem=0xffffffffff
ffffff) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:49
#1  0x0000000000618850 in ?? ()
#2  0x000000000058bd9c in ?? ()
#3  0x0000000000588334 in ?? ()
#4  0x000000000062bdee in ?? ()
#5  0x00007f6ca9276182 in start_thread (arg=0x7f6ca4dfb700) at pthread_create.c:
312
#6  0x00007f6ca8fa347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:
111

Thread 4 (Thread 0x7f6ca4db6700 (LWP 22125)):
#0  0x00000000005f8277 in ?? ()
#1  0x00000000005f949b in ?? ()
#2  0x00000000005eb85a in ?? ()
#3  0x00000000005ec8ab in ?? ()
#4  0x00000000005ecc85 in ?? ()
#5  0x00000000005ef286 in ?? ()
#6  0x00000000005e27aa in ?? ()
#7  0x00000000005e2a93 in ?? ()
#8  0x00000000403eaeb8 in ?? ()
#9  0x00007f6ca81763b8 in ?? ()
#10 0x00007f6ca4db66e8 in ?? ()
#11 0x0000000000000038 in ?? ()
#12 0x000000000158a628 in ?? ()
#13 0x00007f6ca81763d0 in ?? ()
#14 0x00007f6c8c000c80 in ?? ()
#15 0x0000000000000003 in ?? ()
#16 0x00007f6ca4db5180 in ?? ()
#17 0x00007f6ca4db4ec0 in ?? ()
#18 0x00000000403e9344 in ?? ()
#19 0x0000000000000038 in ?? ()
#20 0x0000000000000003 in ?? ()
#21 0x0000000000000004 in ?? ()
#22 0x00007f6c87c33d68 in ?? ()
#23 0x0000000000000018 in ?? ()
#24 0x000000004063eb44 in ?? ()
#25 0x00007f6ca8176330 in ?? ()
#26 0x00007f6c87c33d68 in ?? ()
#27 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f6c7edd7700 (LWP 22131)):
#0  0x00007f6ca8ee0062 in do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/l
inux/sigsuspend.c:31
#1  __GI___sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:
45
#2  0x00000000005ceb54 in ?? ()
#3  <signal handler called>
#4  0x00007f6ca927dee7 in __libc_waitpid (pid=22133, stat_loc=0x7f6c7edd4c0c, op
tions=0) at ../sysdeps/unix/sysv/linux/waitpid.c:40
#5  0x00000000004a28e5 in ?? ()
#6  <signal handler called>
#7  0x00007f6ca8edfcc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/s
ysv/linux/raise.c:56
#8  0x00007f6ca8ee30d8 in __GI_abort () at abort.c:89
#9  0x0000000000634136 in ?? ()
#10 0x0000000000633f23 in ?? ()
#11 0x0000000000633fd9 in ?? ()
#12 0x00000000004a345f in ?? ()
#13 0x00000000004a3b51 in ?? ()
#14 0x0000000040a43046 in ?? ()
#15 0x00007f6ca8058208 in ?? ()
#16 0x00007f6ca81561a0 in ?? ()
#17 0x00007f6c7cd04130 in ?? ()
#18 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6c7d313700 (LWP 22132)):
#0  0x00007f6ca8ee0062 in do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/l
inux/sigsuspend.c:31
#1  __GI___sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:
45
#2  0x00000000005ceb54 in ?? ()
#3  <signal handler called>
#4  0x000000004040933a in ?? ()
#5  0x0000000000000034 in ?? ()
#6  0x00007f6c87a16b10 in ?? ()
#7  0x00007f6c87b5afc0 in ?? ()
#8  0x0000000000000064 in ?? ()
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6ca9db07c0 (LWP 22117)):
#0  0x00007f6ca8ee0062 in do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/l
inux/sigsuspend.c:31
#1  __GI___sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:
45
#2  0x00000000005ceb54 in ?? ()
#3  <signal handler called>
#4  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/
pthread_cond_wait.S:183
#5  0x0000000000604cc3 in ?? ()
#6  0x00000000006175db in ?? ()
#7  0x0000000000587c1f in ?? ()
#8  0x0000000000589529 in ?? ()
#9  0x00000000404c3f1d in ?? ()
#10 0x00007f6ca8064b30 in ?? ()
#11 0x00007ffc50fb5f20 in ?? ()
#12 0x00007f6ca82bcdc0 in ?? ()
#13 0x00007f6ca8064ac8 in ?? ()
#14 0x00007f6ca8064ac8 in ?? ()
#15 0x00000000015862e0 in ?? ()
#16 0x00007f6ca9db0758 in ?? ()
#17 0x00007ffc50fb59f0 in ?? ()
#18 0x00007ffc50fb5970 in ?? ()
#19 0x00000000404f34d4 in ?? ()
#20 0x00007f6ca806ec28 in ?? ()
#21 0x0000000000000000 in ?? ()

=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================

Aborted (core dumped)

--- 
Try 3:

Stacktrace:


Native stacktrace:

        mono() [0x4a2858]
        mono() [0x4f7f0e]
        mono() [0x422f08]
        /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7efcfb4da340]

Debug info from gdb:

Mono support loaded.
[New LWP 22180]
[New LWP 22174]
[New LWP 22173]
[New LWP 22168]
[New LWP 22167]
[New LWP 22166]
[New LWP 22165]
[New LWP 22164]
[New LWP 22163]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007efcfb13c062 in do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux
/sigsuspend.c:31
31      ../sysdeps/unix/sysv/linux/sigsuspend.c: No such file or directory.
  Id   Target Id         Frame
  10   Thread 0x7efcfa3ff700 (LWP 22163) "mono" pthread_cond_wait@@GLIBC_2.3.2 (
) at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  9    Thread 0x7efcf8718700 (LWP 22164) "Finalizer" sem_wait () at ../nptl/sysd
eps/unix/sysv/linux/x86_64/sem_wait.S:85
  8    Thread 0x7efcf3693700 (LWP 22165) "mono" 0x00007efcfb13c062 in do_sigsusp
end (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:31
  7    Thread 0x7efcf348a700 (LWP 22166) "Timer-Scheduler" 0x00007efcfb13c062 in
 do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:31
  6    Thread 0x7efcf30e1700 (LWP 22167) "mono" 0x00007efcfb1ffb13 in epoll_wait
 () at ../sysdeps/unix/syscall-template.S:81
  5    Thread 0x7efcf309c700 (LWP 22168) "IO Threadpool w" sem_timedwait () at .
./nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S:101
  4    Thread 0x7efcf3057700 (LWP 22173) "Threadpool moni" __lll_lock_wait () at
 ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
  3    Thread 0x7efcf3012700 (LWP 22174) "Threadpool work" sem_wait () at ../npt
l/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
  2    Thread 0x7efcd0dc3700 (LWP 22180) "Threadpool work" 0x00007efcfb4d9ee9 in
 __libc_waitpid (pid=22181, stat_loc=0x7efcf131c31c, options=0) at ../sysdeps/un
ix/sysv/linux/waitpid.c:40
* 1    Thread 0x7efcfc00c7c0 (LWP 22162) "mono" 0x00007efcfb13c062 in do_sigsusp
end (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:31

Thread 10 (Thread 0x7efcfa3ff700 (LWP 22163)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/
pthread_cond_wait.S:185
#1  0x00000000005ffa8c in ?? ()
#2  0x00007efcfb4d2182 in start_thread (arg=0x7efcfa3ff700) at pthread_create.c:
312
#3  0x00007efcfb1ff47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:
111

Thread 9 (Thread 0x7efcf8718700 (LWP 22164)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x0000000000625a27 in mono_sem_wait ()
#2  0x00000000005a8406 in ?? ()
#3  0x0000000000588334 in ?? ()
#4  0x000000000062bdee in ?? ()
#5  0x00007efcfb4d2182 in start_thread (arg=0x7efcf8718700) at pthread_create.c:
312
#6  0x00007efcfb1ff47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:
111

Thread 8 (Thread 0x7efcf3693700 (LWP 22165)):
#0  0x00007efcfb13c062 in do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/l
inux/sigsuspend.c:31
#1  __GI___sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:
45
#2  0x00000000005ceb54 in ?? ()
#3  <signal handler called>
#4  0x00007efcfb1f082b in read () at ../sysdeps/unix/syscall-template.S:81
#5  0x0000000040c02b75 in ?? ()
#6  0x00007efcec001500 in ?? ()
#7  0x00007efcf3692e00 in ?? ()
#8  0x00007efcfa5a0890 in ?? ()
#9  0x00007efcfa59f758 in ?? ()
#10 0x00007efcfa59f598 in ?? ()
#11 0x00007efcec000c80 in ?? ()
#12 0x0000000040c02af0 in ?? ()
#13 0x00007efcf3692a70 in ?? ()
#14 0x00007efcf36929b0 in ?? ()
#15 0x0000000040c02af0 in ?? ()
#16 0x00007efcfa5a08b0 in ?? ()
#17 0x0000000040c029e0 in ?? ()
#18 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7efcf348a700 (LWP 22166)):
#0  0x00007efcfb13c062 in do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/l
inux/sigsuspend.c:31
#1  __GI___sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:
45
#2  0x00000000005ceb54 in ?? ()
#3  <signal handler called>
#4  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x8
6_64/pthread_cond_timedwait.S:238
#5  0x0000000000604c27 in ?? ()
#6  0x0000000000617412 in ?? ()
#7  0x0000000000587c1f in ?? ()
#8  0x0000000000589529 in ?? ()
#9  0x0000000040c33f2d in ?? ()
#10 0x000000000000001a in ?? ()
#11 0x0000000000000001 in ?? ()
#12 0x000000000001d4c0 in ?? ()
#13 0x00007efcfa772140 in ?? ()
#14 0x000000000000e1ee in ?? ()
#15 0x00007efce4000c80 in ?? ()
#16 0x00007efcf321c130 in ?? ()
#17 0x00007efcf34898b0 in ?? ()
#18 0x00007efcf3489820 in ?? ()
#19 0x0000000040c33e10 in ?? ()
#20 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7efcf30e1700 (LWP 22167)):
#0  0x00007efcfb1ffb13 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81

#1  0x000000000058c182 in ?? ()
#2  0x0000000000588334 in ?? ()
#3  0x000000000062bdee in ?? ()
#4  0x00007efcfb4d2182 in start_thread (arg=0x7efcf30e1700) at pthread_create.c:
312
#5  0x00007efcfb1ff47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:
111

Thread 5 (Thread 0x7efcf309c700 (LWP 22168)):
#0  sem_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S:1
01
#1  0x0000000000625b0b in mono_sem_timedwait ()
#2  0x000000000058c872 in ?? ()
#3  0x0000000000588334 in ?? ()
#4  0x000000000062bdee in ?? ()
#5  0x00007efcfb4d2182 in start_thread (arg=0x7efcf309c700) at pthread_create.c:
312
#6  0x00007efcfb1ff47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:
111

Thread 4 (Thread 0x7efcf3057700 (LWP 22173)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:
135
#1  0x00007efcfb4d4657 in _L_lock_909 () from /lib/x86_64-linux-gnu/libpthread.s
o.0
#2  0x00007efcfb4d4480 in __GI___pthread_mutex_lock (mutex=0x977160) at ../nptl/
pthread_mutex_lock.c:79
#3  0x00000000005d3bda in ?? ()
#4  0x000000000058bdc9 in ?? ()
#5  0x0000000000588334 in ?? ()
#6  0x000000000062bdee in ?? ()
#7  0x00007efcfb4d2182 in start_thread (arg=0x7efcf3057700) at pthread_create.c:
312
#8  0x00007efcfb1ff47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:
111

Thread 3 (Thread 0x7efcf3012700 (LWP 22174)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x0000000000625a27 in mono_sem_wait ()
#2  0x00000000005ced9d in ?? ()
#3  0x00000000005ceed9 in ?? ()
#4  0x00000000005cf472 in ?? ()
#5  0x00000000005eedaa in ?? ()
#6  0x00000000005eef09 in ?? ()
#7  0x00000000005e27aa in ?? ()
#8  0x00000000005d09d6 in ?? ()
#9  0x0000000040b69dde in ?? ()
#10 0x00007efcfa6bc9c8 in ?? ()
#11 0x00007efcf30126e8 in ?? ()
#12 0x0000000000000028 in ?? ()
#13 0x0000000000c9a480 in ?? ()
#14 0x0000000000000008 in ?? ()
#15 0x00007efcd4000c80 in ?? ()
#16 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7efcd0dc3700 (LWP 22180)):
#0  0x00007efcfb4d9ee9 in __libc_waitpid (pid=22181, stat_loc=0x7efcf131c31c, op
tions=0) at ../sysdeps/unix/sysv/linux/waitpid.c:40
#1  0x00000000004a28e5 in ?? ()
#2  0x00000000004f7f0e in ?? ()
#3  0x0000000000422f08 in ?? ()
#4  <signal handler called>
#5  0x0000000000000000 in ?? ()
#6  0x0000000040d7e741 in ?? ()
#7  0x00007efcfa6d2528 in ?? ()
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7efcfc00c7c0 (LWP 22162)):
#0  0x00007efcfb13c062 in do_sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/l
inux/sigsuspend.c:31
#1  __GI___sigsuspend (set=0x960580) at ../sysdeps/unix/sysv/linux/sigsuspend.c:
45
#2  0x00000000005ceb54 in ?? ()
#3  <signal handler called>
#4  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/
pthread_cond_wait.S:183
#5  0x0000000000604cc3 in ?? ()
#6  0x00000000006175db in ?? ()
#7  0x0000000000587c1f in ?? ()
#8  0x0000000000589529 in ?? ()
#9  0x0000000040c33f2d in ?? ()
#10 0x00007efcfa464be0 in ?? ()
#11 0x00007ffef642fc10 in ?? ()
#12 0x00007efcfa6bc9d0 in ?? ()
#13 0x00007efcfa464b78 in ?? ()
#14 0x00007efcfa464b78 in ?? ()
#15 0x0000000000cb62e0 in ?? ()
#16 0x00007efcfc00c758 in ?? ()
#17 0x00007ffef642f6e0 in ?? ()
#18 0x00007ffef642f660 in ?? ()
#19 0x0000000040c634d4 in ?? ()
#20 0x00007efcfa46ecd8 in ?? ()
#21 0x0000000000000000 in ?? ()

=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================

Aborted (core dumped)
Comment 1 Vlad Brezae 2016-11-04 00:39:17 UTC
Hello Andrew,

  The stacktraces don't really indicate the crash site. Does this still happen with latest release (4.6) ? If so could you submit a repro ?

Vlad
Comment 2 Rodrigo Kumpera 2017-10-11 17:41:52 UTC
We have not received the requested information. If you are still experiencing this issue please provide all the requested information and reopen the bug report.

Thank you!

Note You need to log in before you can comment on or make changes to this bug.