Comment #48 seems to have remedied the problem for me. It's a bit of a hack, but it does the trick. A terminal prompt showed up first for a few seconds (the same thing that often happened before), then Light DM fired up the login screen.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/969489 Title: lightdm tries (and fails) to start too early? To manage notifications about this bug go to: https://bugs.launchpad.net/upstart/+bug/969489/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs