After apt-get -f install finally completed, I re-ran apt-get remove erlang erlang-base, and then re-ran the upgrade. It completed successfully and rebooted into a full Edgy install.
-- erlang and erlang-base break Dapper-Edgy upgrade https://launchpad.net/bugs/68500 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs