Comment 2 for bug 730893

StacktraceTop:
 event_filter_func (gdkxevent=0x7ffff91d8a00, event=<value optimized out>, data=<value optimized out>) at /build/buildd/compiz-0.9.4/unity/unity_window_decorator/src/events.c:1030
 gdk_event_translate (display=0x4, event=0x0, xevent=0x7f85d3c712c0, return_exposes=0) at /build/buildd/gtk+2.0-2.24.1/gdk/x11/gdkevents-x11.c:923
 _gdk_events_queue (display=0x9c2000) at /build/buildd/gtk+2.0-2.24.1/gdk/x11/gdkevents-x11.c:2304
 _gdk_events_queue (display=0x0) at /build/buildd/gtk+2.0-2.24.1/gdk/x11/gdkevents-x11.c:2319
 g_main_loop_run (loop=0x7f85d4ccdea0) at /build/buildd/glib2.0-2.28.2/./glib/gmain.c:3286