I can confirm this problem running Ubuntu 16.04 on Lenovo Carbon X1. Started ~4 months ago. Lock, close lid, open lid, "ubuntu authentication failure switch to greeter", hit enter and return to normal login screen. Single user.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1733557 Title: Login screen showing Authentication Failure Switch to greeter... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1733557/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
