Comment 2 for bug 1231434

StacktraceTop:
 clear_ibus (manager=0x99f58f8) at gsd-keyboard-manager.c:193
 g_cclosure_marshal_VOID__VOIDv (closure=0x9a90928, return_value=0x0, instance=0x9aae1d0, args=0xbfc57cdc "", marshal_data=0x0, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.37.93/./gobject/gmarshal.c:115
 _g_closure_invoke_va (closure=closure@entry=0x9a90928, return_value=return_value@entry=0x0, instance=instance@entry=0x9aae1d0, args=args@entry=0xbfc57cdc "", n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.37.93/./gobject/gclosure.c:840
 g_signal_emit_valist (instance=instance@entry=0x9aae1d0, signal_id=signal_id@entry=244, detail=detail@entry=0, var_args=var_args@entry=0xbfc57cdc "") at /build/buildd/glib2.0-2.37.93/./gobject/gsignal.c:3238
 g_signal_emit (instance=instance@entry=0x9aae1d0, signal_id=244, detail=detail@entry=0) at /build/buildd/glib2.0-2.37.93/./gobject/gsignal.c:3386