Public bug reported: Upgrading from 14.04 to 16.04.1, error comes up as "Could not calculate the upgrade" during the setting new software channels step.
ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.9 ProcVersionSignature: Ubuntu 3.13.0-107.154-generic 3.13.11-ckt39 Uname: Linux 3.13.0-107-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.23 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: Unity Date: Thu Jan 12 16:34:30 2017 InstallationDate: Installed on 2016-04-04 (283 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to trusty on 2017-01-12 (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/1656128 Title: distribution upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1656128/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs