This is because of the following package from the xorg-edgers ppa. libegl1-mesa 9.2.0~git20130404+9.1.980f84c3-0ubuntu0ricotz
The web page for their ppa contains details about how to remove the packages from it. ** Tags added: ppa -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1232583 Title: update-manger -d 13.04 to 13.10 unresolvable error calculating upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1232583/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
