I managed to work around this bug by removing ubuntu-desktop before running update-manager. There was an error during the upgrade about not being able to install ubuntu-desktop, but it continued nonetheless, and ubuntu-desktop is once again showing as installed after the upgrade.
-- Jaunty to Karmic: "Could not calculate the upgrade" https://bugs.launchpad.net/bugs/450208 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
