StacktraceTop: _gdk_x11_display_error_event (display=<optimized out>, error=<optimized out>) at /build/buildd/gtk+3.0-3.1.90/./gdk/x11/gdkdisplay-x11.c:2374 gdk_x_error (error=0x7fffcb498380, xdisplay=<optimized out>) at /build/buildd/gtk+3.0-3.1.90/./gdk/x11/gdkmain-x11.c:312 gdk_x_error (xdisplay=<optimized out>, error=0x7fffcb498380) at /build/buildd/gtk+3.0-3.1.90/./gdk/x11/gdkmain-x11.c:275 _XError (dpy=0x1b07300, rep=<optimized out>) at ../../src/XlibInt.c:1583 handle_error (dpy=0x1b07300, err=0x1ef0010, in_XReply=<optimized out>) at ../../src/xcb_io.c:212
StacktraceTop: display_ error_event (display=<optimized out>, error=<optimized out>) at /build/ buildd/ gtk+3.0- 3.1.90/ ./gdk/x11/ gdkdisplay- x11.c:2374 0x7fffcb498380, xdisplay=<optimized out>) at /build/ buildd/ gtk+3.0- 3.1.90/ ./gdk/x11/ gdkmain- x11.c:312 <optimized out>, error=0x7fffcb4 98380) at /build/ buildd/ gtk+3.0- 3.1.90/ ./gdk/x11/ gdkmain- x11.c:275 XlibInt. c:1583 <optimized out>) at ../../src/ xcb_io. c:212
_gdk_x11_
gdk_x_error (error=
gdk_x_error (xdisplay=
_XError (dpy=0x1b07300, rep=<optimized out>) at ../../src/
handle_error (dpy=0x1b07300, err=0x1ef0010, in_XReply=