I learned that the do-release-upgrade outputs log files on /var/log/dist-upgrade/. So I attached them.
** Attachment added: "tarball of /var/log/dist-upgrade/" https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1336267/+attachment/4143871/+files/dist-upgrade.tar.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1336267 Title: The do-release-upgrade can not complete upgrade to Trusty from Saucy because dpkg says "too many errors, stopping", and OS are broken in the half-finished states. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1336267/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
