#0  0x0808df9c in mono_arch_ip_from_context (sigctx=0x0) at exceptions-x86.c:748
	ctx = (ucontext_t *) 0x0
#1  0x08171bb5 in sigsegv_signal_handler (_dummy=11, info=0x1548, context=0x0) at mini.c:11106
	exc = (MonoException *) 0x0
	ji = (MonoJitInfo *) 0xb6079f9a
	ctx = (void *) 0x0
#2  0xb607a240 in nsProfileLock::FatalSignalHandler (signo=11) at nsProfileLock.cpp:210
	oldact = (sigaction *) 0xb607d040
#3  <signal handler called>
#4  0xb0f0fbf1 in ?? ()
#5  0x00000000 in ?? ()