Could you add your log files about the upgrade? They'll be found in /var/log/dist-upgrade/.
** Package changed: update-manager (Ubuntu) => ubuntu-release-upgrader (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1748540 Title: do-release-upgrade breaks if /etc/apt/preferences.d has a rule against a release To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1748540/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
