Found it. Gnome Developers are already aware of the crash: https://bugzilla.gnome.org/show_bug.cgi?id=787637
If you would like to contribute to a speedy resolution then please comment on that page. ** Changed in: mutter (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717170 Title: gnome-shell crashes with SIGABRT: mutter:ERROR:backends/meta-monitor- manager.c:2274:meta_monitor_manager_get_logical_monitor_from_number: assertion failed: ((unsigned int) number < g_list_length (manager->logical_monitors)) To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1717170/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs