Public bug reported: I am upgrading from ubuntu 14.04 to 16.04
ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.10 ProcVersionSignature: Ubuntu 4.4.0-121.145~14.04.1-generic 4.4.117 Uname: Linux 4.4.0-121-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.27 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: Unity Date: Fri Apr 27 03:51:19 2018 InstallationDate: Installed on 2015-09-08 (961 days ago) InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to trusty on 2018-04-27 (0 days ago) VarLogDistupgradeTermlog: ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade third-party-packages trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767247 Title: #1069160 Could not calculate the upgrade . To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1767247/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs