Public bug reported: 'Could not calculate the upgrade' during upgrade attempt.
ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.44 ProcVersionSignature: Ubuntu 4.15.0-150.155-generic 4.15.18 Uname: Linux 4.15.0-150-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.24 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: ubuntu:GNOME Date: Fri Jul 16 17:00:45 2021 InstallationDate: Installed on 2012-10-28 (3183 days ago) InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110720.1) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2021-07-16 (0 days ago) VarLogDistupgradeTermlog: ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic dist-upgrade third-party-packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936695 Title: upgrade to 20.04 doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1936695/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs