Public bug reported: Running the upgrade-manager -d -c from an Ubuntu Studio Trusty 14.04.4 VM (Virtual Box), to Xenial fails with a "Could not calculate the upgrade error". Will upload some screenshots from the host in a minute.
ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 4.2.0-34.39~14.04.1-lowlatency 4.2.8-ckt4 Uname: Linux 4.2.0-34-lowlatency x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: XFCE CurrentDmesg.txt: [ 38.455843] init: plymouth-upstart-bridge main process ended, respawning [ 39.457580] init: plymouth-stop pre-start process (1269) terminated with status 1 Date: Thu Mar 24 10:18:18 2016 InstallationDate: Installed on 2016-02-17 (35 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 2016-03-24 (0 days ago) VarLogDistupgradeTermlog: ** 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/1561420 Title: Upgrade from Trusty to Xenial failed (Ubuntu Studio) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1561420/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs