Comment 2 for bug 1232682

StacktraceTop:
 g_hash_table_lookup_node (hash_return=<synthetic pointer>, key=0x11cba1a0, hash_table=0x1fbf0c0) at /build/buildd/glib2.0-2.38.0/./glib/ghash.c:365
 g_hash_table_lookup (hash_table=0x1fbf0c0, key=key@entry=0x11cba1a0) at /build/buildd/glib2.0-2.38.0/./glib/ghash.c:1076
 handler_list_lookup (instance=0x11cba1a0, signal_id=219) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:422
 g_signal_emit_valist (instance=0x11cba1a0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff4336f1a8) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3139
 g_signal_emit (instance=instance@entry=0x11cba1a0, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3386