[Mono-dev] mono SEGFAULT problem

[Zoltan Varga]

Hi,

This is now tracked as:

https://bugzilla.novell.com/show_bug.cgi?id=383749

          Zoltan

2008/4/25 Hubert FONGARNAND <informatique.internet at fiducial.fr>:
>
>  Hi, everibody
>
>      Since about a week, my SMTP Server (which is in C#/mono) crashes about
> 1 time /day...
>  It's a multithreaded program that work on an RHEL4 server with 3
> double-core processor and 16Gio RAM.
>  The segfaults appears randomly... and i cannot reproduce the bug on my devs
> and beta machine. My program doesn't call any C library, so the crash seems
> to be on mono itself
>
>  I'm running mono 1.9.1 (it crashes too with mono 1.2.6)
>
>  without gdb it crashes with:
>
>  Stacktrace:
>
>
> Native stacktrace:
>
>         mono [0x8152f80]
>         mono [0x807819a]
>         /lib/tls/libpthread.so.0 [0x6b2890]
>         mono [0x813bc94]
>         mono [0x80bd5c1]
>         mono [0x80bdd0a]
>         mono [0x8102656]
>         mono [0x8116769]
>         /lib/tls/libpthread.so.0 [0x6ac371]
>         /lib/tls/libc.so.6(__clone+0x5e) [0x535ffe]
>
> Debug info from gdb:
>
>
>
> =================================================================
> 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
>
>  I've run my program with Gdb [New Thread 66501552 (LWP 7705)]
> [Thread 117857200 (LWP 7700) exited]
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 19356592 (LWP 4481)]
> mono_debugger_thread_cleanup (jit_tls=0x85ba670) at debug-mini.c:802
> 802                     if (info->jit_tls != jit_tls)
> (gdb) bt
> #0  mono_debugger_thread_cleanup (jit_tls=0x85ba670) at debug-mini.c:802
> #1  0x08148794 in mini_thread_cleanup (thread=0xb6f5ce70) at mini.c:9670
> #2  0x080c4860 in thread_cleanup (thread=0xb6f5ce70) at threads.c:509
> #3  0x080c4fc1 in start_wrapper (data=0xb66a7fa0) at threads.c:605
> #4  0x0810d09e in thread_start_routine (args=0xb78a4938) at threads.c:282
> #5  0x08121b19 in GC_start_routine (arg=0xb65aa9a0) at
> pthread_support.c:1369
> #6  0x006ac371 in start_thread () from /lib/tls/libpthread.so.0
> #7  0x00535ffe in clone () from /lib/tls/libc.so.6
> (gdb) q
> The program is running.  Exit anyway? (y or n) y
> [root at lxlyosmc10 Server]#
>
>
>
>  Could someone help me please
>
>  It seems this is a GC issue
>
>
>
>
>
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