[Bug 2110753] [NEW] Unable to upgrade from 20.04.6 LTS to 22.04 (Jammy)

[Jason Tracy]

Public bug reported:

Trying to upgrade from 20.04.  Originally got error "Unofficial software
packages not provided by Ubuntu..."  I removed all ppa packages.  Now
the error is: "An unresolvable problem occurred while calculating the
upgrade."

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubuntu-release-upgrader-core 1:20.04.41
ProcVersionSignature: Ubuntu 5.4.0-215.235-generic 5.4.290
Uname: Linux 5.4.0-215-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.27
Architecture: amd64
CasperMD5CheckResult: skip
CrashDB: ubuntu
Date: Wed May 14 17:19:22 2025
InstallationDate: Installed on 2018-09-16 (2432 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to focal on 2025-05-14 (0 days ago)
mtime.conffile..etc.update-manager.release-upgrades: 2025-02-12T19:25:55.215230

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade focal

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https://bugs.launchpad.net/bugs/2110753

Title:
  Unable to upgrade from 20.04.6 LTS to 22.04 (Jammy)

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Trying to upgrade from 20.04.  Originally got error "Unofficial
  software packages not provided by Ubuntu..."  I removed all ppa
  packages.  Now the error is: "An unresolvable problem occurred while
  calculating the upgrade."

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.41
  ProcVersionSignature: Ubuntu 5.4.0-215.235-generic 5.4.290
  Uname: Linux 5.4.0-215-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.27
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  Date: Wed May 14 17:19:22 2025
  InstallationDate: Installed on 2018-09-16 (2432 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2025-05-14 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2025-02-12T19:25:55.215230

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