Public bug reported:
I am trying to upgrade from Ubuntu 22.04 to 24.04 and do-release-upgrade failed
at the beginning with the error message:
Calculating the changes
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
The package 'update-manager' is marked for removal but it is in the
removal deny list.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubuntu-release-upgrader-core 1:22.04.20
ProcVersionSignature: Ubuntu 5.15.0-171.181-generic 5.15.196
Uname: Linux 5.15.0-171-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.10
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
CurrentDesktop: Unity:Unity7:ubuntu
Date: Sun Mar 8 10:15:52 2026
InstallationDate: Installed on 2014-12-06 (4109 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to jammy on 2026-03-08 (0 days ago)
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade jammy
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https://bugs.launchpad.net/bugs/2143656
Title:
Cannot upgrade from 22.04 to 24.04
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