Yes it comes from the Kubuntu Backports ~kubuntu-ppa/backports PPA -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/680088
Title: Upgrade fails "Can not mark 'kubuntu-desktop' for upgrade " -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs