Were you using an unofficial package or something, and then upgraded to the official one? I'm not able to reproduce on precise. There's no code in lightdm-gtk-greeter to register itself as a display manager, because as you wrote, of course it isn't one. ;-)
** Changed in: lightdm-gtk-greeter (Ubuntu) Importance: Undecided => Medium ** Changed in: lightdm-gtk-greeter (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/970410 Title: lightdm-gtk-greeter is not a display manager To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm-gtk-greeter/+bug/970410/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs