Public bug reported: I ran
sudo do-release-upgrade On my 11.10 server install to upgrade to 12.04. It initially seemed to run ok but then finished with an error. The following was seen on the console: Fetched 305 MB in 6s (215 kB/s) Upgrading apport: unrecognized service WARNING:root:unexpected target md5sum, skipping: '/usr/bin/pycompile' Fetched 0 B in 0s (0 B/s) FATAL -> Failed to fork. ERROR:root:SystemError from cache.commit(): internal-error: unknown result code from InstallArchives: 100 Could not install the upgrades The upgrade has aborted. Your system could be in an unusable state. A recovery will run now (dpkg --configure -a). Please report this bug in a browser at http://bugs.launchpad.net/ubuntu/+source/update-manager/+filebug and attach the files in /var/log/dist-upgrade/ to the bug report. internal-error: unknown result code from InstallArchives: 100 Upgrade complete The upgrade has completed but there were errors during the upgrade process. To continue please press [ENTER] ** Affects: update-manager (Ubuntu) Importance: Undecided Status: New ** Tags: dist-upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/991960 Title: Server upgrade crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/991960/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs