Public bug reported: I tried to upgrade Ubuntu from 18.04 to 20.04 several times and it crashes with the reason "Could not calculate the upgrade".
ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.42 ProcVersionSignature: Ubuntu 5.4.0-70.78~18.04.1-generic 5.4.94 Uname: Linux 5.4.0-70-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.23 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: ubuntu:GNOME Date: Wed Mar 31 11:44:55 2021 InstallationDate: Installed on 2020-05-28 (306 days ago) InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2021-03-31 (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/1922040 Title: Upgrading Ubuntu crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1922040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs