Comment 13 for bug 72366

I don't know if the cause is the same, but I experience occasional crashes of firefox 2.0.0.3+1-0ubuntu2 on Feisty Fawn.

Here's the backtrace from a coredump:

(gdb) thread apply all bt

Thread 10 (process 22842):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb770c893 in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7d7bc29 in PR_Poll (pds=0x80e0378, npds=7, timeout=65535000) at ptio.c:3877
#3 0xb70dd6db in nsSocketTransportService::Poll (this=0x80dfe90, interval=0xb6ff2368) at nsSocketTransportService2.cpp:361
#4 0xb70ddf15 in nsSocketTransportService::Run (this=0x80dfe90) at nsSocketTransportService2.cpp:577
#5 0xb7e221cb in nsThread::Main (arg=0x80e0680) at nsThread.cpp:118
#6 0xb7d7fe9d in _pt_root (arg=0x80e0700) at ptthread.c:220
#7 0xb7d4731b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8 0xb771657e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 9 (process 22847):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7d4b84c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb7d79093 in pt_TimedWait (cv=0x807e57c, ml=0x807f138, timeout=<value optimized out>) at ptsynch.c:280
#3 0xb7d79ed1 in PR_WaitCondVar (cvar=0x807e578, timeout=127) at ptsynch.c:407
#4 0xb7e244c6 in TimerThread::Run (this=0x807e498) at TimerThread.cpp:318
#5 0xb7e221cb in nsThread::Main (arg=0x81c6aa0) at nsThread.cpp:118
#6 0xb7d7fe9d in _pt_root (arg=0x81cf018) at ptthread.c:220
#7 0xb7d4731b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8 0xb771657e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 8 (process 22851):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7d4b84c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb7d79093 in pt_TimedWait (cv=0x8663114, ml=0x86630b0, timeout=<value optimized out>) at ptsynch.c:280
#3 0xb7d79ed1 in PR_WaitCondVar (cvar=0x8663110, timeout=250) at ptsynch.c:407
#4 0xb36b11f7 in nsSSLThread::Run (this=0x8663088) at nsSSLThread.cpp:879
#5 0xb36b0300 in nsPSMBackgroundThread::nsThreadRunner (arg=0x8663088) at nsPSMBackgroundThread.cpp:44
#6 0xb7d7fe9d in _pt_root (arg=0x8663150) at ptthread.c:220
#7 0xb7d4731b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8 0xb771657e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 7 (process 22852):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7d4b84c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb7d79093 in pt_TimedWait (cv=0x866337c, ml=0x8663318, timeout=<value optimized out>) at ptsynch.c:280
#3 0xb7d79ed1 in PR_WaitCondVar (cvar=0x8663378, timeout=250) at ptsynch.c:407
#4 0xb36b1f70 in nsCertVerificationThread::Run (this=0x86632c8) at nsCertVerificationThread.cpp:142
#5 0xb36b0300 in nsPSMBackgroundThread::nsThreadRunner (arg=0x86632c8) at nsPSMBackgroundThread.cpp:44
#6 0xb7d7fe9d in _pt_root (arg=0x86633b8) at ptthread.c:220
#7 0xb7d4731b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8 0xb771657e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 6 (process 22854):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7d4b5c6 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb7d79f61 in PR_WaitCondVar (cvar=0x8bce520, timeout=4294967295) at ptsynch.c:405
#3 0xb222de0d in ProcessAsyncMessages () at mozStorageAsyncIO.cpp:1525
#4 0xb222eee9 in AsyncWriteThread::Run (this=0x8d3c100) at mozStorageAsyncIO.cpp:471
#5 0xb7e221cb in nsThread::Main (arg=0x8bce560) at nsThread.cpp:118
#6 0xb7d7fe9d in _pt_root (arg=0x8bce5e0) at ptthread.c:220
#7 0xb7d4731b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8 0xb771657e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 5 (process 22861):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7d4b5c6 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb7d79f61 in PR_WaitCondVar (cvar=0x9693258, timeout=4294967295) at ptsynch.c:405
#3 0xb7d79fc7 in PR_Wait (mon=0x9693298, timeout=4294967295) at ptsynch.c:584
#4 0xb7e1e331 in PL_WaitForEvent (self=0x9693228) at plevent.c:808
#5 0xb7e1fc09 in nsEventQueueImpl::WaitForEvent (this=0x9693200, aResult=0xb098d380) at nsEventQueue.cpp:498
#6 0xb5674835 in EventLoop (arg=0x0) at nsUrlClassifierDBService.cpp:1142
#7 0xb7d7fe9d in _pt_root (arg=0x9692ae8) at ptthread.c:220
#8 0xb7d4731b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#9 0xb771657e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 4 (process 22925):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7d4d5ce in sem_wait@GLIBC_2.0 () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xafa923c8 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#3 0xb7d4731b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4 0xb771657e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (process 23091):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb770c893 in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xae99e03e in QueueRunnable::waitOnPipe () from /usr/lib/jvm/java-1.5.0-sun-1.5.0.11/jre/lib/i386/libjavaplugin_nscp.so
#3 0xae99e13a in QueueRunnable::threadEntry () from /usr/lib/jvm/java-1.5.0-sun-1.5.0.11/jre/lib/i386/libjavaplugin_nscp.so
#4 0xb7d7fe9d in _pt_root (arg=0xaf01f40) at ptthread.c:220
#5 0xb7d4731b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6 0xb771657e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (process 23092):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb770c893 in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xae99e03e in QueueRunnable::waitOnPipe () from /usr/lib/jvm/java-1.5.0-sun-1.5.0.11/jre/lib/i386/libjavaplugin_nscp.so
#3 0xae99e13a in QueueRunnable::threadEntry () from /usr/lib/jvm/java-1.5.0-sun-1.5.0.11/jre/lib/i386/libjavaplugin_nscp.so
#4 0xb7d7fe9d in _pt_root (arg=0xa9d5e88) at ptthread.c:220
#5 0xb7d4731b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6 0xb771657e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (process 22840):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7d4f4f1 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2 0x08057836 in nsProfileLock::FatalSignalHandler (signo=-1210753036) at nsProfileLock.cpp:206
#3 <signal handler called>
#4 0xb7c41d11 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#5 0x0c7022e8 in ?? ()
#6 0x00000030 in ?? ()
#7 0x00000000 in ?? ()
(gdb) bt
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7d4f4f1 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2 0x08057836 in nsProfileLock::FatalSignalHandler (signo=-1210753036) at nsProfileLock.cpp:206
#3 <signal handler called>
#4 0xb7c41d11 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#5 0x0c7022e8 in ?? ()
#6 0x00000030 in ?? ()
#7 0x00000000 in ?? ()
(gdb) quit