I found this post http://askubuntu.com/questions/65852/cannot-login-to- my-user-account which suggested removing ~/.Xauthority file. I did this and was able to log in without problem.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1036830 Title: Xorg crash when logging in goes right back to log in screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1036830/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs