StacktraceTop: x_io_error () from /tmp/apport_sandbox__ddKhF/usr/lib/libmutter.so.0 _XIOError (dpy=dpy@entry=0x24f6000) at ../../src/XlibInt.c:1464 _XReply (dpy=dpy@entry=0x24f6000, rep=rep@entry=0x7ffd6d9135f0, extra=extra@entry=0, discard=discard@entry=1) at ../../src/xcb_io.c:708 XSync (dpy=0x24f6000, discard=discard@entry=0) at ../../src/Sync.c:44 gdk_x11_display_error_trap_pop_internal (display=0x2506010, need_code=<optimized out>) at /build/gtk+3.0-BLS5EL/gtk+3.0-3.18.8/./gdk/x11/gdkdisplay-x11.c:2760
StacktraceTop: sandbox_ _ddKhF/ usr/lib/ libmutter. so.0 entry=0x24f6000 ) at ../../src/ XlibInt. c:1464 entry=0x24f6000 , rep=rep@ entry=0x7ffd6d9 135f0, extra=extra@ entry=0, discard= discard@ entry=1) at ../../src/ xcb_io. c:708 discard@ entry=0) at ../../src/Sync.c:44 display_ error_trap_ pop_internal (display=0x2506010, need_code= <optimized out>) at /build/ gtk+3.0- BLS5EL/ gtk+3.0- 3.18.8/ ./gdk/x11/ gdkdisplay- x11.c:2760
x_io_error () from /tmp/apport_
_XIOError (dpy=dpy@
_XReply (dpy=dpy@
XSync (dpy=0x24f6000, discard=
gdk_x11_