My bad, If haven't done so, and if you still have the xorg-edgers ppa installed you need to remove it:
sudo apt-get install ppa-purge sudo ppa-purge the upgrade should then run smoothly. After its done, if can't get into the desktop or if you only can run low graphics mode, then you should follow the steps on askUbuntu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1069133 Title: Get upgrade error 12.04 - 12.10 "Could not determine upgrade" - xorg from ppa To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1069133/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
