--- stack trace ---
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7e0d4f1 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x08057836 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  0xb7e07460 in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xaf23c858 in ?? ()
#6  0xae088024 in ?? ()
#7  0x01000000 in ?? ()
#8  0xb77d12c6 in munmap () from /lib/tls/i686/cmov/libc.so.6
#9  0xaf6ee12c in ?? ()
#10 0x00000000 in ?? ()
--- end of stack trace ---