OK, I cleared the /var/crash folder and then replicated the bug. I got the crash file and submitted it however I don't know how to get bug ID to link it. When I click Continue in the crash report window it disappears.
The bug title was "gnome-shell crashed with SIGSEGV in meta_window_get_monitor() -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1721428 Title: Artful (17.10) Session logout after screen turned off To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1721428/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs