Could you summarize your issues then, the comments mixing KDM, lightdm, unity, gnome-shell, etc issue are just impossible to follow. Could you also add your /var/log/lightdm/lightdm.log to the bug?
** Changed in: lightdm (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/1010879 Title: lightdm stopped to work - black screen (I have to use KDM to login to Unity) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1010879/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs