.
Thread 4 (process 26923):
#0  0xb7f72410 in __kernel_vsyscall ()
#1  0xb7f4fdd2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7bad965 in pt_TimedWait (cv=0x80c055c, ml=0x80aff38, timeout=165) at ptsynch.c:280
	rv = 14493
	now = {tv_sec = 1207564954, tv_usec = 891453}
	tmo = {tv_sec = 1207564955, tv_nsec = 56453000}
	ticks = 1000
#3  0xb7bae791 in PR_WaitCondVar (cvar=0x80c0558, timeout=165) at ptsynch.c:407
	rv = <value optimized out>
	thred = (PRThread *) 0x81b4868
#4  0xb78d8294 in TimerThread::Run (this=0x80c05d8) at TimerThread.cpp:345
	waitFor = 4294966780
#5  0xb78d4bce in nsThread::ProcessNextEvent (this=0x81b4660, mayWait=1, result=0xb54b6360) at nsThread.cpp:510
	notifyGlobalObserver = 1
	obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
	event = {<nsCOMPtr_base> = {mRawPtr = 0x80c05d8}, <No data fields>}
	rv = 0
#6  0xb78a41af in NS_ProcessNextEvent_P (thread=0x80, mayWait=1) at nsThreadUtils.cpp:227
	val = <value optimized out>
#7  0xb78d4f8f in nsThread::ThreadFunc (arg=0x81b4660) at nsThread.cpp:254
	event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
#8  0xb7bb47fa in _pt_root (arg=0x81b4868) at ptthread.c:221
	detached = 0
#9  0xb7f4b4fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#10 0xb7da5e5e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 3 (process 29964):
#0  0xb7f72410 in __kernel_vsyscall ()
#1  0xb7f4faa5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb0b98728 in ?? ()
#3  0xafa7403c in ?? ()
#4  0xafa7406c in ?? ()
#5  0xb7e1b160 in ?? () from /lib/tls/i686/cmov/libc.so.6
#6  0x09178078 in ?? ()
#7  0x08ed640c in ?? ()
#8  0x286b6206 in ?? ()
#9  0xb717b8f9 in nsHostResolver::Release (this=0xafa74020) at nsHostResolver.h:164
	n = <value optimized out>
#10 0xb0c91dd8 in ?? ()
#11 0xafa74020 in ?? ()
#12 0xffffffff in ?? ()
#13 0xb7d3e4f0 in free () from /lib/tls/i686/cmov/libc.so.6
#14 0xb0b98a7d in ?? ()
#15 0xafa73020 in ?? ()
#16 0x0916e530 in ?? ()
#17 0xb7e19ff4 in ?? () from /lib/tls/i686/cmov/libc.so.6
#18 0xb7f5aff4 in ?? () from /lib/tls/i686/cmov/libpthread.so.0
#19 0x00000000 in ?? ()
.
Thread 2 (process 29965):
#0  0xb7f72410 in __kernel_vsyscall ()
#1  0xb7f51d05 in sem_wait@@GLIBC_2.1 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb0ba28d8 in ?? ()
#3  0xafa76d70 in ?? ()
#4  0x00000000 in ?? ()
.
Thread 1 (process 26921):
#0  0xb7f72410 in __kernel_vsyscall ()
#1  0xb7f53d30 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb711c264 in nsProfileLock::FatalSignalHandler (signo=-1208635404) at nsProfileLock.cpp:212
	unblock_sigs = {__val = {1024, 0 <repeats 31 times>}}
	oldact = <value optimized out>
#3  <signal handler called>
#4  0xb7f4d540 in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb0c8fb08 in ?? ()
#6  0xafa72024 in ?? ()
#7  0xb11e5e20 in ?? ()
#8  0xbffb6758 in ?? ()
#9  0xb11e5e20 in ?? ()
#10 0xb12263e0 in ?? ()
#11 0x00000000 in ?? ()