Thanks for your report. The upgrade is blocked because you're using packages from the xorg- edgers PPA. Please revert to the version of the official ubuntu repository and try again. You can use ppa-purge to help you with this.
I'm closing this report because it is not a bug in Ubuntu. ** Changed in: update-manager (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1044945 Title: update-manager can not calculate the upgrade and fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1044945/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs