Comment 2 for bug 1013693

StacktraceTop:
 g_return_if_fail_warning (log_domain=log_domain@entry=0x7fe296cd0993 "Gdk", pretty_function=pretty_function@entry=0x7fe296cd25f0 "gdk_error_trap_pop_internal", expression=expression@entry=0x7fe296cd1f46 "trap != NULL") at /build/buildd/glib2.0-2.33.1/./glib/gmessages.c:801
 gdk_error_trap_pop_internal (need_code=need_code@entry=0) at /build/buildd/gtk+3.0-3.4.2/./gdk/gdkdisplay.c:2146
 gdk_error_trap_pop_ignored () at /build/buildd/gtk+3.0-3.4.2/./gdk/gdkdisplay.c:2179
 window_is_xembed (w=<optimized out>, d=0x1493010) at canberra-gtk-module.c:394
 dispatch_sound_event (d=0x7fe2800a0320) at canberra-gtk-module.c:472