Please try to log in to the machine via ssh first, and start monitoring the system log before reproducing the problem:
journalctl -f Then reproduce the bug (log in graphically) and let us know what the output from journalctl -f was at the time the bug occurred. ** Changed in: gdm3 (Ubuntu) Status: Confirmed => Incomplete ** Changed in: gdm3 (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1766137 Title: Login fails when preceded by incorrect password To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1766137/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs