I'd like to share a 3 hours hint success here, because I used the keywords "ubuntu logout bug" and went through here during my search, athough this is a different issue.
My answer was here: ".Xauthority sometimes owned by root, which blocks login" https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/871667/comments/30 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/969589 Title: unity-greeter continually crashing and restarting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/969589/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
