--- stack trace ---
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7d5e4f1 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  0xb7c51d11 in gtk_widget_event_internal (widget=0x3d0074, event=0xbfa68f78)
    at gtkwidget.c:3917
	return_val = 3145778
#5  0x0000007e in ?? ()
#6  0x00000004 in ?? ()
#7  0x00000020 in ?? ()
#8  0xb461e198 in ?? ()
#9  0x00000038 in ?? ()
#10 0x0807a098 in ?? ()
#11 0x0000001d in ?? ()
#12 0xb234e430 in ?? ()
#13 0x00000003 in ?? ()
#14 0x085d8868 in ?? ()
#15 0xbfa69738 in ?? ()
#16 0x00000000 in ?? ()
--- end of stack trace ---