I've this bug too. The screen wasn't completely black. I could see the logging out window. To complete logging out, you must press CTRL+ALT+backspace.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1407152 Title: Can't log out from KDE 5 To manage notifications about this bug go to: https://bugs.launchpad.net/sddm/+bug/1407152/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs