The configuration you posted in the description doesn't have timed login enabled, but assuming you just uncommented the lines from there. In addition of the info Daniel requested/logs, could you try if you get the issue also login into a standard Ubuntu session or if that's specific to your custom "kodi" one?
** Changed in: gdm3 (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/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