Ran the following from the command line (as suggested by mvo) .. output attached.
apt-get dist-upgrade -o Debug::pkgProblemResolver=true > debug.log 2>&1 ** Attachment added: "debug.log" http://librarian.launchpad.net/4442249/debug.log -- Unable to upgrade dapper to edgy - dependency cycle? https://launchpad.net/bugs/62429 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs