similar things seem to happen with the dapper->edgy upgrade, as in my case
Not good, i have heard that it may be to do with update-manager parsing the output of dpkg directly, which, if so, sounds like a poor design choice: why parse something as complicated as text for something as essential as this -- Aborted Breezy-to-Dapper upgrade, yet seems to have upgraded https://launchpad.net/bugs/59467 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs