Similar situation on a Ubuntu Headless Server on AWS upgraded from 15.05 to 16.04 and after the install interruptedI now have:
Distributor ID: Ubuntu Description: Ubuntu 16.04 LTS Release: 16.04 Codename: xenial however when I long in I get New release '16.04 LTS' available. Run 'do-release-upgrade' to upgrade to it. running ~$ do-release-upgrade Checking for a new Ubuntu release No new release found #sudo apt-get update && sudo apt-get dist-upgrade Hit:1 http://us-east-1.ec2.archive.ubuntu.com/ubuntu wily InRelease Get:2 http://us-east-1.ec2.archive.ubuntu.com/ubuntu wily-updates InRelease [65.9 kB] Get:3 http://security.ubuntu.com/ubuntu wily-security InRelease [65.9 kB] Fetched 132 kB in 0s (327 kB/s) Reading package lists... Done Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. fired up a back up aws instance and did a release upgrade to 15.0 did another release upgrade to 16.4 upgrade failed at the same place. killed the hung process as described above and the upgrade continued until. Errors were encountered while processing: mysql-server-5.7 mysql-server Error in function: *** Send problem report to the developers? After the problem report has been sent, please fill out the form in the automatically opened web browser. What would you like to do? Your options are: S: Send report (293.0 KB) V: View report K: Keep report file for sending later or copying to somewhere else I: Cancel and ignore future crashes of this program version C: Cancel Please choose (S/V/K/I/C): Errors were encountered while processing: mysql-server-5.7 mysql-server Upgrade complete The upgrade has completed but there were errors during the upgrade process. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1573952 Title: Graphical update from 15.10->16.04 failed with apparent window manager crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1573952/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs