I was trying to "off" the external monitor (HDMI) through the monitor settings tool. I was not able to. Repeated clicking of apply caused the crash
-- gnome-display-properties crashed with SIGSEGV in g_slice_alloc() https://bugs.launchpad.net/bugs/631133 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs