Starting program: /usr/lib/gnome-settings-daemon/gnome-settings-daemon [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/libthread_db.so.1". [New Thread 0x7ffff1244700 (LWP 29047)] [New Thread 0x7ffff0a43700 (LWP 29048)] [New Thread 0x7fffeb672700 (LWP 29049)] [New Thread 0x7fffeaa65700 (LWP 29050)] [New Thread 0x7fffdffff700 (LWP 29051)] [Thread 0x7ffff0a43700 (LWP 29048) exited] [Thread 0x7fffdffff700 (LWP 29051) exited] Program received signal SIGSEGV, Segmentation fault. 0x00007ffff54f2b6d in cairo_xlib_surface_get_drawable ( abstract_surface=0x8dc5d0) at cairo-xlib-xcb-surface.c:694 694 if (surface->xcb->base.type != CAIRO_SURFACE_TYPE_XCB) { #0 0x00007ffff54f2b6d in cairo_xlib_surface_get_drawable ( abstract_surface=0x8dc5d0) at cairo-xlib-xcb-surface.c:694 #1 0x00007ffff7a52270 in ?? () from /usr/lib/libgtk-3.so.0 #2 0x00007ffff78e59a8 in ?? () from /usr/lib/libgtk-3.so.0 #3 0x00007ffff7a0fdd0 in ?? () from /usr/lib/libgtk-3.so.0 #4 0x00007ffff6dee0e4 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #5 0x00007ffff6dffe9f in ?? () from /usr/lib/libgobject-2.0.so.0 #6 0x00007ffff6e094c3 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #7 0x00007ffff6e09892 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #8 0x00007ffff7a2155a in ?? () from /usr/lib/libgtk-3.so.0 #9 0x00007ffff7a216a1 in gtk_widget_send_expose () from /usr/lib/libgtk-3.so.0 #10 0x00007ffff78e5849 in gtk_main_do_event () from /usr/lib/libgtk-3.so.0 #11 0x00007ffff60f8ba7 in ?? () from /usr/lib/libgdk-3.so.0 #12 0x00007ffff60f819f in ?? () from /usr/lib/libgdk-3.so.0 #13 0x00007ffff60f8610 in gdk_window_process_all_updates () from /usr/lib/libgdk-3.so.0 #14 0x00007ffff785fc16 in ?? () from /usr/lib/libgtk-3.so.0 #15 0x00007ffff60de35f in ?? () from /usr/lib/libgdk-3.so.0 #16 0x00007ffff67258bd in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #17 0x00007ffff67260b8 in ?? () from /usr/lib/libglib-2.0.so.0 #18 0x00007ffff67265f2 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #19 0x00007ffff78e495d in gtk_main () from /usr/lib/libgtk-3.so.0 #20 0x00000000004044ab in main (argc=1, argv=0x7fffffffe248) at main.c:459 A debugging session is active. Inferior 1 [process 29043] will be killed. Quit anyway? (y or n)