*** This bug is a duplicate of bug 1561420 *** https://bugs.launchpad.net/bugs/1561420
Public bug reported: Testing an upgrade from Trusty to Xenial fails with a "Could not calculate the upgrade" error. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 4.2.0-35.40~14.04.1-lowlatency 4.2.8-ckt5 Uname: Linux 4.2.0-35-lowlatency x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: XFCE CurrentDmesg.txt: [ 40.472292] init: plymouth-upstart-bridge main process ended, respawning [ 40.684498] init: plymouth-upstart-bridge main process (1202) terminated with status 1 [ 40.684588] init: plymouth-upstart-bridge main process ended, respawning [ 42.206548] init: plymouth-stop pre-start process (1274) terminated with status 1 Date: Tue Apr 19 20:09:08 2016 InstallationDate: Installed on 2016-02-17 (61 days ago) InstallationMedia: Ubuntu-Studio 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160216) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to trusty on 2016-04-19 (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/1572262 Title: Trusty to Xenial upgrade fails - Could not calculate the upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1572262/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs