I have encountered the same bug. Here are my set of /var/log/dist- upgrade/* files
** Attachment added: "apt.log" http://launchpadlibrarian.net/18677226/apt.log -- /media/cdrom-1/cdromupgrade: line 32: 12909 Segmentation fault $TMPDIR/$COD ENAME --cdrom "$cddirname" https://bugs.launchpad.net/bugs/259430 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs