>From a fresh updated system run: gdbus call -e -d com.canonical.indicator.session -o /com/canonical/indicator/session -m org.gtk.Actions.Activate "switch-to- greeter" "[]" "{}"
It will switch to greeter, login and then lock the screen (Ctrl+Alt+L). Does the lock-screen show the "Authentication Error" ? -- 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