Public bug reported: Tried to upgrade 14.04 to 15.04 (via 14.10) using the method described here: http://askubuntu.com/questions/618741/update-ubuntu-14-04-to-15-04 It didn't work and I ended up here...
ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13 Uname: Linux 3.13.0-45-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CrashDB: ubuntu Date: Mon Jan 25 13:36:15 2016 InstallationDate: Installed on 2014-09-11 (500 days ago) InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2) PackageArchitecture: all ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to trusty on 2016-01-25 (0 days ago) mtime.conffile..etc.update.manager.release.upgrades: 2016-01-25T13:22:01.801213 ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1537723 Title: Couldn't upgrade 14.04 to 15.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1537723/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs