StacktraceTop:gdk_x_error (display=<value optimized out>, _XError (dpy=0x7f320fc80000, rep=0x7f320fc90850) _XReply (dpy=0x7f320fc80000, XGetWindowProperty (dpy=0x7f320fc80000, XRemoteClient::CheckWindow (this=0x7fff7d65ea20,
StacktraceTop: gdk_x_error (display=<value optimized out>, 0000, rep=0x7f320fc90850) 0000, 0000, :CheckWindow (this=0x7fff7d6 5ea20,
_XError (dpy=0x7f320fc8
_XReply (dpy=0x7f320fc8
XGetWindowProperty (dpy=0x7f320fc8
XRemoteClient: