Public bug reported: Starting with Ubunutu 18.04.5 LTS. While attempting to upgrade to Ubuntu 20.04 LTS, installer aborts with
An unresolvable problem occurred while calculating the upgrade. This was likely caused by: * Unofficial software packages not provided by Ubuntu Please use the tool 'ppa-purge' from the ppa-purge package to remove software from a Launchpad PPA and try the upgrade again. Successful application of ppa-purge was used to downgrade openshot. Other suspected applications: virtualbox and handbrake both removed. Upgrade fails in just the same way. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.44 ProcVersionSignature: Ubuntu 4.15.0-142.146-generic 4.15.18 Uname: Linux 4.15.0-142-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.23 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: Unity:Unity7:ubuntu Date: Sun Apr 25 17:41:00 2021 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-trusty-amd64-osp1-20150720-0 InstallationDate: Installed on 2016-09-25 (1672 days ago) InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20150720-04:06 PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2021-04-25 (0 days ago) mtime.conffile..etc.update-manager.release-upgrades: 2016-12-12T20:25:16.714340 ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic dist-upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1926091 Title: Attempt to upgrade to 20.04 LTS from 18.04 LTS. Fails on suspected PPA anomaly. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1926091/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
