I believe the issue is that the gnome-session-inhibit call is terminated after the upgrade unless you are running a GNOME session.
https://bazaar.launchpad.net/~ubuntu-core-dev/ubuntu-release- upgrader/trunk/view/head:/DistUpgrade/DistUpgradeQuirks.py#L444 After the upgrade completed and choosing not to reboot I was presented with a lock screen that continually said "Authentication failed". Did your upgrade complete and then the screen locked? -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1778817 Title: release upgrade from xenial to bionic desktop: screen locks itself, password to unlock fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1778817/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp
