#0  0xb7f3c410 in __kernel_vsyscall ()
#1  0xb7d8ed30 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x08057d76 in nsProfileLock::FatalSignalHandler (signo=-1210490892) at nsProfileLock.cpp:206
	unblock_sigs = {__val = {1024, 0 <repeats 31 times>}}
	oldact = <value optimized out>
#3  <signal handler called>
#4  0xb7e8a34c in ?? () from /usr/lib/thunderbird/libxpcom_core.so
#5  0xbfb1c6d0 in ?? ()
#6  0xb7e09663 in nsQueryInterface::operator() (this=<value optimized out>, aIID=@0xb70cc840, answer=0x0)
    at nsCOMPtr.cpp:47
	status = <value optimized out>
Backtrace stopped: frame did not save the PC