Thanks for the logs. This looks like a corrupted /var/lib/dpkg/avaialble file. Could you please rename that file and try the upgrade again? It might be file system corruption.
-- update-manager package https://bugs.launchpad.net/bugs/221581 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