The bug appears to be LightDM 1.7 tries to write the Xauthority to a system location even when it is in test mode
** Changed in: lightdm (Ubuntu) Importance: Undecided => High ** Changed in: lightdm (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1226544 Title: lightdm --test-mode fails immediately To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1226544/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs