*** This bug is a duplicate of bug 58424 *** ** This bug has been marked a duplicate of bug 58424 Can't calculate the upgrade with unofficial mesa/compiz packages
-- Upgrade fails (possibly due to absence of default sources) https://launchpad.net/bugs/30989 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
