Comment 2 for bug 725335

StacktraceTop:
 ?? ()
 g_cclosure_marshal_VOID__POINTER (closure=0xb6a08000, return_value=0x0, n_param_values=2, param_values=0x89d20f0, invocation_hint=0xbfc91bf0, marshal_data=0x0) at /build/buildd/glib2.0-2.28.1/./gobject/gmarshal.c:603
 g_closure_invoke (closure=0xb6a08000, return_value=0x0, n_param_values=2, param_values=0x89d20f0, invocation_hint=0xbfc91bf0) at /build/buildd/glib2.0-2.28.1/./gobject/gclosure.c:767
 signal_emit_unlocked_R (node=0x894cf50, detail=0, instance=0x88d9200, emission_return=0x0, instance_and_params=0x89d20f0) at /build/buildd/glib2.0-2.28.1/./gobject/gsignal.c:3252
 g_signal_emit_valist (instance=0x88d9200, signal_id=222, detail=0, var_args=0xbfc91db0 "\001") at /build/buildd/glib2.0-2.28.1/./gobject/gsignal.c:2983