This happened to me again today after an update of Kubuntu Vivid on my laptop. At next boot, sddm would not start, and "sudo systemctl enable sddm" / "sudo reboot" fixed it.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1431332 Title: sddm not starting after upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sddm/+bug/1431332/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs