Lightdm is the 'default' package, but your issue cant be reproduced with gdm on a fresh installation; so possibly some borked settings/profile/old symlinks on your system.
** Changed in: powermgmt-base (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1165364 Title: Power Manager doesn't terminate while login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/powermgmt-base/+bug/1165364/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs