hussain, Peeter can you reproduce that everytime regurarly? Before doing the tty switch, please in a terminal run: gdbus monitor --system --dest org.freedesktop.login1 & gdbus monitor --session --dest com.canonical.Unity
And let us know what happens -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1552537 Title: Lock screen bypassed by switching to console and then back to GUI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1552537/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs