[Mono-dev] Crash mono when start with sgen.
Rodrigo Kumpera
kumpera at gmail.com
Mon Nov 15 13:46:49 EST 2010
Try to build a self contained test that causes the crash. Otherwise there is
no way for us to figure out what's wrong.
Once you have a test that shows the crash, fill a bugzilla report and will
work on it. The shorted the test, the faster
it will be fixed.
Thanks,
Rodrigo
On Mon, Nov 15, 2010 at 7:37 AM, J.P. <mailing at mono.developer.kr> wrote:
> I've got a situation that mono crashed with sgen and llvm option.
> But I'm sorry can't upload the code. What information needed? I can
> reporting the problem without code providing.
> It is always happened when start to self-host remoting.
>
> Regards
> J.P. Park
>
>
> # mono -V
> Mono JIT compiler version 2.9 (master/32340d1 Mon Nov 15 14:19:55 KST 2010)
> Copyright (C) 2002-2010 Novell, Inc and Contributors. www.mono-project.com
> TLS: __thread
> SIGSEGV: altstack
> Notifications: epoll
> Architecture: amd64
> Disabled: none
> Misc: softdebug
> LLVM: yes(2.8svn-mono)
> GC: Included Boehm (with typed GC and Parallel Mark)
>
>
> Crash:
>
> Stacktrace:
>
>
> Native stacktrace:
>
> mono-sgen [0x4a3a6d]
> mono-sgen [0x50062d]
> /lib64/libpthread.so.0 [0x38b300e7c0]
> mono-sgen [0x60021e]
> mono-sgen [0x600619]
> mono-sgen [0x60079f]
> mono-sgen [0x5b8c82]
> mono-sgen [0x5b8dc7]
> mono-sgen [0x5bca94]
> mono-sgen [0x5bdd4a]
> mono-sgen [0x5be59b]
> mono-sgen [0x5bed21]
> mono-sgen(mono_string_new_size+0x4b) [0x59c86b]
> mono-sgen [0x596ae2]
> [0x40fd5b08]
>
> Debug info from gdb:
>
> [Thread debugging using libthread_db enabled]
> [New Thread 0x2af2ae639970 (LWP 24870)]
> [New Thread 0x44b5b940 (LWP 24917)]
> [New Thread 0x4495a940 (LWP 24916)]
> [New Thread 0x44759940 (LWP 24915)]
> [New Thread 0x44558940 (LWP 24914)]
> [New Thread 0x44357940 (LWP 24913)]
> [New Thread 0x44156940 (LWP 24912)]
> [New Thread 0x4021d940 (LWP 24911)]
> [New Thread 0x43f55940 (LWP 24910)]
> [New Thread 0x43d54940 (LWP 24909)]
> [New Thread 0x43b53940 (LWP 24908)]
> [New Thread 0x43952940 (LWP 24907)]
> [New Thread 0x43751940 (LWP 24906)]
> [New Thread 0x43550940 (LWP 24905)]
> [New Thread 0x4334f940 (LWP 24904)]
> [New Thread 0x4314e940 (LWP 24903)]
> [New Thread 0x42f4d940 (LWP 24902)]
> [New Thread 0x414e7940 (LWP 24900)]
> [New Thread 0x42d4c940 (LWP 24890)]
> [New Thread 0x42b4b940 (LWP 24889)]
> [New Thread 0x40cab940 (LWP 24888)]
> [New Thread 0x4294a940 (LWP 24887)]
> [New Thread 0x42749940 (LWP 24886)]
> [New Thread 0x40aaa940 (LWP 24885)]
> [New Thread 0x42538940 (LWP 24884)]
> [New Thread 0x42337940 (LWP 24883)]
> [New Thread 0x407dc940 (LWP 24882)]
> [New Thread 0x41ac6940 (LWP 24873)]
> [New Thread 0x405db940 (LWP 24872)]
> [New Thread 0x41db5940 (LWP 24871)]
> 0x00000038b24307bf in sigsuspend () from /lib64/libc.so.6
> 30 Thread 0x41db5940 (LWP 24871) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 29 Thread 0x405db940 (LWP 24872) 0x00000038b300d5cb in read () from
> /lib64/libpthread.so.0
> 28 Thread 0x41ac6940 (LWP 24873) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 27 Thread 0x407dc940 (LWP 24882) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 26 Thread 0x42337940 (LWP 24883) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 25 Thread 0x42538940 (LWP 24884) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 24 Thread 0x40aaa940 (LWP 24885) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 23 Thread 0x42749940 (LWP 24886) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 22 Thread 0x4294a940 (LWP 24887) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 21 Thread 0x40cab940 (LWP 24888) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 20 Thread 0x42b4b940 (LWP 24889) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 19 Thread 0x42d4c940 (LWP 24890) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 18 Thread 0x414e7940 (LWP 24900) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 17 Thread 0x42f4d940 (LWP 24902) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 16 Thread 0x4314e940 (LWP 24903) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 15 Thread 0x4334f940 (LWP 24904) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 14 Thread 0x43550940 (LWP 24905) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 13 Thread 0x43751940 (LWP 24906) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 12 Thread 0x43952940 (LWP 24907) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 11 Thread 0x43b53940 (LWP 24908) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 10 Thread 0x43d54940 (LWP 24909) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
> 9 Thread 0x43f55940 (LWP 24910) 0x00000038b24307bf in sigsuspend () from
> /lib64/libc.so.6
> 8 Thread 0x4021d940 (LWP 24911) 0x00000038b24307bf in sigsuspend () from
> /lib64/libc.so.6
> 7 Thread 0x44156940 (LWP 24912) 0x00000038b24307bf in sigsuspend () from
> /lib64/libc.so.6
> 6 Thread 0x44357940 (LWP 24913) 0x00000038b24307bf in sigsuspend () from
> /lib64/libc.so.6
> 5 Thread 0x44558940 (LWP 24914) 0x00000038b24307bf in sigsuspend () from
> /lib64/libc.so.6
> 4 Thread 0x44759940 (LWP 24915) 0x00000038b24307bf in sigsuspend () from
> /lib64/libc.so.6
> 3 Thread 0x4495a940 (LWP 24916) 0x00000038b24307bf in sigsuspend () from
> /lib64/libc.so.6
> 2 Thread 0x44b5b940 (LWP 24917) 0x00000038b24307bf in sigsuspend () from
> /lib64/libc.so.6
> * 1 Thread 0x2af2ae639970 (LWP 24870) 0x00000038b24307bf in sigsuspend ()
> from /lib64/libc.so.6
>
> Thread 30 (Thread 0x41db5940 (LWP 24871)):
> #0 0x00000038b24307bf in sigsuspend () from /lib64/libc.so.6
> #1 0x00000000005b4472 in suspend_handler (sig=<value optimized out>,
> siginfo=<value optimized out>, context=0x41db4920)
> at sgen-gc.c:4826
> #2 <signal handler called>
> #3 0x00000038b300c9b1 in sem_wait () from /lib64/libpthread.so.0
> #4 0x00000000005e87aa in mono_sem_wait (sem=0x13bd1a0, alertable=0) at
> mono-semaphore.c:102
> #5 0x00000000005afc54 in finalizer_thread (unused=<value optimized out>)
> at gc.c:1046
> #6 0x0000000000569be1 in start_wrapper (data=<value optimized out>) at
> threads.c:782
> #7 0x00000000005df543 in thread_start_routine (args=0xc053490) at
> wthreads.c:285
> #8 0x00000000005ba7c2 in gc_start_thread (arg=<value optimized out>) at
> sgen-gc.c:5573
> #9 0x00000038b30064a7 in start_thread () from /lib64/libpthread.so.0
> #10 0x00000038b24d3c2d in clone () from /lib64/libc.so.6
>
> Thread 29 (Thread 0x405db940 (LWP 24872)):
> #0 0x00000038b300d5cb in read () from /lib64/libpthread.so.0
> #1 0x00000000004a3b6c in mono_handle_native_sigsegv (signal=<value
> optimized out>, ctx=<value optimized out>)
> at mini-exceptions.c:1946
> #2 0x000000000050062d in mono_arch_handle_altstack_exception
> (sigctx=0x2aaaac548c40, fault_addr=<value optimized out>,
> stack_ovf=0) at exceptions-amd64.c:920
> #3 <signal handler called>
> #4 copy_object_no_checks (obj=0x2aaaaac2f068, queue=0x13bfce0) at
> sgen-major-copy-object.h:89
> #5 0x0000000000600619 in copy_object (obj_slot=0x2aaaaec60e38,
> queue=0x13bfce0) at sgen-major-copy-object.h:165
> #6 0x000000000060079f in minor_scan_vtype (start=<value optimized out>,
> desc=33882225, from_start=0x2aaaaac00000 "©4�",
> from_end=0x16 <Address 0x16 out of bounds>, queue=0x13bfce0) at
> sgen-major-scan-object.h:70
> #7 0x00000000005b8c82 in sgen_cardtable_scan_object (obj=0x2aaaaec56018
> "\020[Q\020", obj_size=<value optimized out>,
> cards=<value optimized out>, queue=0x13bfce0) at sgen-cardtable.c:351
> #8 0x00000000005b8dc7 in los_scan_card_table (queue=0x13bfce0) at
> sgen-los.c:485
> #9 0x00000000005bca94 in collect_nursery (requested_size=<value optimized
> out>) at sgen-cardtable.c:244
> #10 0x00000000005bdd4a in minor_collect_or_expand_inner (size=4096) at
> sgen-gc.c:3157
> #11 0x00000000005be59b in mono_gc_alloc_obj_nolock (vtable=0xc000508,
> size=20708576) at sgen-gc.c:3497
> #12 0x00000000005bed21 in mono_gc_alloc_string (vtable=0xc000508, size=26,
> len=0) at sgen-gc.c:3682
> #13 0x000000000059c86b in mono_string_new_size (domain=0xc000190, len=0) at
> object.c:4770
> #14 0x0000000000596ae2 in ves_icall_System_String_InternalSplit
> (me=0x2aaaaafa9fc0, separator=0x2aaaaafaa178, count=2147483647,
> options=<value optimized out>) at string-icalls.c:148
> #15 0x0000000040fd5b08 in ?? ()
> #16 0x000000000c13eb00 in ?? ()
> #17 0x000000004135e224 in ?? ()
> #18 0x00002aaaaad5b460 in ?? ()
> #19 0x00000000405dad50 in ?? ()
> #20 0x00002aaaaafa9fc0 in ?? ()
> #21 0x00000000405dad50 in ?? ()
> #22 0x00000000405daac0 in ?? ()
> #23 0x00002aaaaad5b910 in ?? ()
> #24 0x0000000000000000 in ?? ()
>
> Thread 28 (Thread 0x41ac6940 (LWP 24873)):
> #0 0x00000038b24307bf in sigsuspend () from /lib64/libc.so.6
> #1 0x00000000005b4472 in suspend_handler (sig=<value optimized out>,
> siginfo=<value optimized out>, context=0x41ac5540)
> at sgen-gc.c:4826
> #2 <signal handler called>
> #3 0x00000038b300ae00 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
> /lib64/libpthread.so.0
> #4 0x00000000005d90ce in _wapi_handle_timedwait_signal_handle
> (handle=0xffffffffffffff92, timeout=0x41ac5af0, alertable=1, poll=0)
> at handles.c:1636
> #5 0x00000000005d1832 in WaitForSingleObjectEx (handle=0x40e,
> timeout=59893, alertable=1) at wait.c:205
> #6 0x000000000057120a in ves_icall_System_Threading_Monitor_Monitor_wait
> (obj=0x2aaaaad5ab80, ms=59893) at monitor.c:1380
> #7 0x0000000041462bfd in ?? ()
> #8 0x000000000cdc5430 in ?? ()
> #9 0x0000000000000001 in ?? ()
> #10 0x0000000000000000 in ?? ()
>
> Thread 27 (Thread 0x407dc940 (LWP 24882)):
> #0 0x00000038b24307bf in sigsuspend () from /lib64/libc.so.6
> #1 0x00000000005b4472 in suspend_handler (sig=<value optimized out>,
> siginfo=<value optimized out>, context=0x407dbb00)
> at sgen-gc.c:4826
> #2 <signal handler called>
> #3 0x00000038b300de71 in nanosleep () from /lib64/libpthread.so.0
> #4 0x00000000005ddea7 in SleepEx (ms=0, alertable=1) at wthreads.c:1025
> #5 0x00000000005c5634 in monitor_thread (data=<value optimized out>) at
> threadpool.c:1262
> #6 0x0000000000569be1 in start_wrapper (data=<value optimized out>) at
> threads.c:782
> #7 0x00000000005df543 in thread_start_routine (args=0xc0549a8) at
> wthreads.c:285
> #8 0x00000000005ba7c2 in gc_start_thread (arg=<value optimized out>) at
> sgen-gc.c:5573
> #9 0x00000038b30064a7 in start_thread () from /lib64/libpthread.so.0
> #10 0x00000038b24d3c2d in clone () from /lib64/libc.so.6
>
> ... skip ....
>
> Thread 2 (Thread 0x44b5b940 (LWP 24917)):
> #0 0x00000038b24307bf in sigsuspend () from /lib64/libc.so.6
> #1 0x00000000005b4472 in suspend_handler (sig=<value optimized out>,
> siginfo=<value optimized out>, context=0x44b5aa60)
> at sgen-gc.c:4826
> #2 <signal handler called>
> #3 0x00000038b300cae3 in sem_timedwait () from /lib64/libpthread.so.0
> #4 0x00000000005e8890 in mono_sem_timedwait (sem=0x13c06c0, timeout_ms=0,
> alertable=1) at mono-semaphore.c:72
> #5 0x00000000005c81e3 in async_invoke_thread (data=0x0) at
> threadpool.c:2054
> #6 0x0000000000569be1 in start_wrapper (data=<value optimized out>) at
> threads.c:782
> #7 0x00000000005df543 in thread_start_routine (args=0xc056050) at
> wthreads.c:285
> #8 0x00000000005ba7c2 in gc_start_thread (arg=<value optimized out>) at
> sgen-gc.c:5573
> #9 0x00000038b30064a7 in start_thread () from /lib64/libpthread.so.0
> #10 0x00000038b24d3c2d in clone () from /lib64/libc.so.6
>
> Thread 1 (Thread 0x2af2ae639970 (LWP 24870)):
> #0 0x00000038b24307bf in sigsuspend () from /lib64/libc.so.6
> #1 0x00000000005b4472 in suspend_handler (sig=<value optimized out>,
> siginfo=<value optimized out>, context=0x7fff660d2ed0)
> at sgen-gc.c:4826
> #2 <signal handler called>
> #3 0x00000038b300ab99 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib64/libpthread.so.0
> #4 0x00000000005d926a in _wapi_handle_timedwait_signal_handle
> (handle=0x409, timeout=0x0, alertable=1, poll=0) at handles.c:1638
> #5 0x00000000005d199a in WaitForSingleObjectEx (handle=0x409,
> timeout=4294967295, alertable=1) at wait.c:203
> #6 0x00000000005681e5 in ves_icall_System_Threading_Thread_Join_internal
> (this=0x2aaaaab5c2d0, ms=-1, thread=0x409)
> at threads.c:1577
> #7 0x00000000418b87b0 in ?? ()
> #8 0x000000000bfffb70 in ?? ()
> #9 0x000000000c002f80 in ?? ()
> #10 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
>
>
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> Mono-devel-list at lists.ximian.com
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>
>
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