Comment 2 for bug 799255

StacktraceTop:
 ?? ()
 g_cclosure_marshal_VOID__PARAM (closure=0x2226a2b0, return_value=0x0, n_param_values=2, param_values=0x221d57b8, invocation_hint=0xbfd74890, marshal_data=0x0) at /build/buildd/glib2.0-2.28.6/./gobject/gmarshal.c:533
 g_closure_invoke (closure=0x2226a2b0, return_value=0x0, n_param_values=2, param_values=0x221d57b8, invocation_hint=0xbfd74890) at /build/buildd/glib2.0-2.28.6/./gobject/gclosure.c:767
 signal_emit_unlocked_R (node=0x22048ad8, detail=287, instance=0x220f92a8, emission_return=0x0, instance_and_params=0x221d57b8) at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:3252
 g_signal_emit_valist (instance=0x220f92a8, signal_id=1, detail=287, var_args=0xbfd74a50 "$\225\336") at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:2983