[Bug 2052976] [NEW] Unresolvable problem when attempting upgrade from Jellyfish to Minotaur

[Benjamin Grant]

Public bug reported:

Attempted to upgrade my Ubuntu from 22.04 Jellyfish to 23.10 Minotaur.
When running do-release-upgrade, upgrader fails during "Calculating the
changes" phase. Error message pops up: "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." I have already successfully upgraded to
Jellyfish from Fossa ( 20.04), and this is confusing me.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubuntu-release-upgrader-core 1:22.04.17
ProcVersionSignature: Ubuntu 5.15.0-92.102-generic 5.15.131
Uname: Linux 5.15.0-92-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
Date: Mon Feb 12 19:12:21 2024
InstallationDate: Installed on 2020-11-15 (1184 days ago)
InstallationMedia: Ubuntu 18.04.5 LTS "Bionic Beaver" - Release amd64 (20200806.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to jammy on 2024-02-12 (0 days ago)
VarLogDistupgradeAptHistorylog:
 Start-Date: 2024-02-12  19:08:21
 Requested-By: kami-kun (1000)
 End-Date: 2024-02-12  19:08:21
VarLogDistupgradeApttermlog:
 Log started: 2024-02-12  19:08:21
 Log ended: 2024-02-12  19:08:21
mtime.conffile..etc.update-manager.release-upgrades: 2024-02-04T18:10:48.931246

** 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/2052976

Title:
  Unresolvable problem when attempting upgrade from Jellyfish to
  Minotaur

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

Bug description:
  Attempted to upgrade my Ubuntu from 22.04 Jellyfish to 23.10 Minotaur.
  When running do-release-upgrade, upgrader fails during "Calculating
  the changes" phase. Error message pops up: "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." I have already successfully
  upgraded to Jellyfish from Fossa ( 20.04), and this is confusing me.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubuntu-release-upgrader-core 1:22.04.17
  ProcVersionSignature: Ubuntu 5.15.0-92.102-generic 5.15.131
  Uname: Linux 5.15.0-92-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  Date: Mon Feb 12 19:12:21 2024
  InstallationDate: Installed on 2020-11-15 (1184 days ago)
  InstallationMedia: Ubuntu 18.04.5 LTS "Bionic Beaver" - Release amd64 (20200806.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to jammy on 2024-02-12 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2024-02-12  19:08:21
   Requested-By: kami-kun (1000)
   End-Date: 2024-02-12  19:08:21
  VarLogDistupgradeApttermlog:
   Log started: 2024-02-12  19:08:21
   Log ended: 2024-02-12  19:08:21
  mtime.conffile..etc.update-manager.release-upgrades: 2024-02-04T18:10:48.931246

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