--- stack trace ---
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7e1f651 in raise () 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  0xb7d134f1 in gtk_widget_event_internal (widget=0x6f0069, event=0xbfa64f88)
    at gtkwidget.c:3913
	return_val = 1
#5  0x00000080 in ?? ()
#6  0x00000004 in ?? ()
#7  0x00000020 in ?? ()
#8  0x0acdb058 in ?? ()
#9  0x00000034 in ?? ()
#10 0x0807a098 in ?? ()
#11 0x00000011 in ?? ()
#12 0xb5e0e9e8 in vtable for nsDOMConstructor ()
   from /usr/lib/firefox/components/libgklayout.so
#13 0x00000001 in ?? ()
#14 0x08181550 in ?? ()
#15 0x00000039 in ?? ()
#16 0x00000000 in ?? ()
--- thread stack trace ---
.