--- thread stack trace ---
.
Thread 8 (process 8526):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb781f6f3 in vtimes () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7e51149 in PR_Poll (pds=0x8126078, npds=1, timeout=4294967295)
    at ptio.c:3877
No locals.
#3  0xb60fd79b in nsSocketTransportService::Poll (this=0x8125b90, 
    interval=0xb5b40368) at nsSocketTransportService2.cpp:361
	pollList = (PRPollDesc *) 0x8126078
	pollCount = 1
	pollTimeout = 4294967295
	ts = 2681859730
	rv = <value optimized out>
	passedInterval = <value optimized out>
#4  0xb60fdfd2 in nsSocketTransportService::Run (this=0x8125b90)
    at nsSocketTransportService2.cpp:577
	pollInterval = 0
	n = 1
	i = -12
	active = 1
#5  0xb7eee80b in nsThread::Main (arg=0x811cb48) at nsThread.cpp:118
No locals.
#6  0xb7e553ad in _pt_root (arg=0x811cbc8) at ptthread.c:220
No locals.
#7  0xb7e1d31b in __nptl_setxid () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb78293ee in write_gmon () from /lib/tls/i686/cmov/libc.so.6
.
Thread 7 (process 8527):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7e2184c in pthread_setcanceltype ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x17b4d130 in ?? ()
#3  0x460c3ffd in ?? ()
#4  0x000346c6 in ?? ()
#5  0xb7e5e54c in ?? () from /usr/lib/libnspr4.so
#6  0x08147320 in ?? ()
#7  0x08082280 in ?? ()
#8  0xb533f348 in ?? ()
#9  0xb7e4f401 in PR_WaitCondVar (cvar=0x8082284, timeout=) at ptsynch.c:407
	rv = <value optimized out>
	thred = (PRThread *) 0x3e8
.
Thread 6 (process 8529):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7e2184c in pthread_setcanceltype ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0ffe7b80 in ?? ()
#3  0x460c3ffd in ?? ()
#4  0x000047a0 in ?? ()
#5  0xb7e5e54c in ?? () from /usr/lib/libnspr4.so
#6  0x08f2a540 in ?? ()
#7  0x08f2a500 in ?? ()
#8  0xb3cff348 in ?? ()
#9  0xb7e4f401 in PR_WaitCondVar (cvar=0x8f2a504, timeout=) at ptsynch.c:407
	rv = <value optimized out>
	thred = (PRThread *) 0x3e8
.
Thread 5 (process 8530):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7e2184c in pthread_setcanceltype ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0ffe48b8 in ?? ()
#3  0x460c3ffd in ?? ()
#4  0x00004793 in ?? ()
#5  0xb7e5e54c in ?? () from /usr/lib/libnspr4.so
#6  0x08f2a7a8 in ?? ()
#7  0x08f2a768 in ?? ()
#8  0xb34fe358 in ?? ()
#9  0xb7e4f401 in PR_WaitCondVar (cvar=0x8f2a76c, timeout=) at ptsynch.c:407
	rv = <value optimized out>
	thred = (PRThread *) 0x3e8
.
Thread 4 (process 8532):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7e215c6 in pthread_sigmask () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb5e33f1d in ProcessAsyncMessages () at mozStorageAsyncIO.cpp:1525
	message = (AsyncMessage *) 0x0
	rc = -1215834870
#3  0xb5e34ff9 in AsyncWriteThread::Run (this=0x92c4338)
    at mozStorageAsyncIO.cpp:471
	eventQueue = {<nsCOMPtr_base> = {
    mRawPtr = 0xb5e34feb}, <No data fields>}
	rv = <value optimized out>
#4  0xb7eee80b in nsThread::Main (arg=0x92c4348) at nsThread.cpp:118
No locals.
#5  0xb7e553ad in _pt_root (arg=0x92c43c8) at ptthread.c:220
No locals.
#6  0xb7e1d31b in __nptl_setxid () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb78293ee in write_gmon () from /lib/tls/i686/cmov/libc.so.6
.
Thread 3 (process 8539):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7e215c6 in pthread_sigmask () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7e4f4f7 in PR_Wait (mon=0x9b237a0, timeout=4294967295) at ptsynch.c:584
	rv = -4
	saved_entries = 1
	saved_owner = 2990390160
#3  0xb7eea971 in PL_WaitForEvent (self=0x9b23730) at plevent.c:808
	err = <value optimized out>
	event = (PLEvent *) 0x0
	mon = (PRMonitor *) 0x9b237a0
#4  0xb7eec249 in nsEventQueueImpl::WaitForEvent (this=0x9b23708, 
    aResult=0xb23db380) at nsEventQueue.cpp:498
	correctThread = <value optimized out>
#5  0xb5e24905 in EventLoop (arg=0x0) at nsUrlClassifierDBService.cpp:1142
	ev = (PLEvent *) 0xcbdb2b0
	rv = 0
	eventQService = {<nsCOMPtr_base> = {
    mRawPtr = 0x819b7f8}, <No data fields>}
#6  0xb7e553ad in _pt_root (arg=0x9b22bd0) at ptthread.c:220
No locals.
#7  0xb7e1d31b in __nptl_setxid () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb78293ee in write_gmon () from /lib/tls/i686/cmov/libc.so.6
.
Thread 2 (process 14338):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7e2184c in pthread_setcanceltype ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0c980b78 in ?? ()
#3  0x460c3ffd in ?? ()
#4  0x0003395b in ?? ()
#5  0xb7e5e54c in ?? () from /usr/lib/libnspr4.so
#6  0x0bec00d8 in ?? ()
#7  0x0859ca78 in ?? ()
#8  0xb1bda368 in ?? ()
#9  0xb7e4f401 in PR_WaitCondVar (cvar=0x859ca7c, timeout=) at ptsynch.c:407
	rv = <value optimized out>
	thred = (PRThread *) 0x3e8
.
Thread 1 (process 7855):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7e254f1 in __pthread_mutex_cond_lock ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x080577f6 in nsProfileLock::FatalSignalHandler (signo=11)
    at nsProfileLock.cpp:206
	unblock_sigs = {__val = {1024, 0 <repeats 31 times>}}
	oldact = <value optimized out>
#3  <signal handler called>
#4  0xb03aeb85 in ?? ()
#5  0xaa70b000 in ?? ()
#6  0x00000000 in ?? ()