Affected me and others after upgrade to final release! http://ubuntuforums.org/showthread.php?t=1859233
Possible fix proposed in duplicate bug #855773: Martin Pitt (pitti) wrote on 2011-10-12: lightdm could remove the file. It's in an user writable directory. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/871667 Title: .Xauthority sometimes owned by root, which blocks login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/871667/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs