StacktraceTop: __GI___assert_fail (assertion=0x3d0ecbd "!xcb_xlib_unknown_req_in_deq", file=0x3d0ecaa "../../src/xcb_io.c", line=178, function=0x3d0ed80 "dequeue_pending_request") at assert.c:81 dequeue_pending_request (dpy=<optimized out>, req=<optimized out>) at ../../src/xcb_io.c:184 _XReply (dpy=0x87db160, rep=0xbfc20a54, extra=0, discard=1) at ../../src/xcb_io.c:638 XInternAtom (dpy=0x87db160, name=0x91c8078 "GDK_TIMESTAMP_PROP", onlyIfExists=0) at ../../src/IntAtom.c:181 gdk_x11_atom_to_xatom_for_display (atom=0x9a, display=0x87e7800) at /build/buildd/gtk+3.0-3.3.12/./gdk/x11/gdkproperty-x11.c:246
StacktraceTop: 0x3d0ecbd "!xcb_xlib_ unknown_ req_in_ deq", file=0x3d0ecaa "../../ src/xcb_ io.c", line=178, function=0x3d0ed80 "dequeue_ pending_ request" ) at assert.c:81 pending_ request (dpy=<optimized out>, req=<optimized out>) at ../../src/ xcb_io. c:184 xcb_io. c:638 PROP", onlyIfExists=0) at ../../src/ IntAtom. c:181 atom_to_ xatom_for_ display (atom=0x9a, display=0x87e7800) at /build/ buildd/ gtk+3.0- 3.3.12/ ./gdk/x11/ gdkproperty- x11.c:246
__GI___assert_fail (assertion=
dequeue_
_XReply (dpy=0x87db160, rep=0xbfc20a54, extra=0, discard=1) at ../../src/
XInternAtom (dpy=0x87db160, name=0x91c8078 "GDK_TIMESTAMP_
gdk_x11_