here is /var/log/dist-upgrade/apt.log
** Attachment added: "/var/log/dist-upgrade/apt.log" http://librarian.launchpad.net/4966396/apt.log -- Update manager fails to notice corrupted /var/lib/dpkg/available https://launchpad.net/bugs/69542 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
