Thank you for your bug report. Do you have an .Xauthority file in your user directory? Does moving it away fixes the issue? Could you add your /var/log/lightdm/lightdm.log to the bug and your .xsession-errors after a failed login?
** Package changed: gnome-session (Ubuntu) => lightdm (Ubuntu) ** Changed in: lightdm (Ubuntu) Importance: Undecided => High ** Changed in: lightdm (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/871112 Title: created a new user account and cannot log in to unity 3d anymore To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/871112/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs