thank you for your bug report, do you have any error in /var/log messages, syslog or auth while trying to unlock the session?
** Package changed: gdm (Ubuntu) => gnome-screensaver (Ubuntu) -- unable to authenticate on workstation after auto locking https://bugs.launchpad.net/bugs/362867 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs