Thank you for your bug report, the issue is likely to be a graphic driver or a session one though rather than lightdm, the "return to login screen after entering password" is usually a sign that the user session exits
** Changed in: lightdm (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1070655 Title: 12.04 LTS Hangs on login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1070655/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
