I created a logfile of the failure as requested. I saw that it is perhaps a timing issue, because one time (out of perhaps 20 tries) today it seamed to work correctly.
** Attachment added: "journalctl.log" https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1798640/+attachment/5205593/+files/journalctl.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1798640 Title: TimedLogin in gdm3 crashes everything To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1798640/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs