[Bug 2081222] [NEW] do-release-upgrade fails saying "may be caused by unofficial packages"

[Clari]

Public bug reported:

It used to say "may be caused by unofficial packages not provided by
Ubuntu", but the log files I was directed to had hundreds of entries
saying "could not find a suitable alternative for x package". Many of
these packages were in fact installed from apt, so I don't know which
packages are actually causing issues and which messages are normal. I
then completely reset my /etc/apt/sources.list and
/etc/apt/sources.list.d, but it still errors, and now without the "may
be caused" message. "Could not calculate; unresolvable problem occurs;
if none of this applies"

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubuntu-release-upgrader-core 1:22.04.20
ProcVersionSignature: Ubuntu 6.8.0-45.45~22.04.1-generic 6.8.12
Uname: Linux 6.8.0-45-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.6
Architecture: amd64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Thu Sep 19 15:37:03 2024
InstallationDate: Installed on 2023-11-03 (321 days ago)
InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230223)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/usr/bin/zsh
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to jammy on 2024-09-19 (0 days ago)
VarLogDistupgradeTermlog:

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


** Tags: amd64 apport-bug dist-upgrade jammy wayland-session

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https://bugs.launchpad.net/bugs/2081222

Title:
  do-release-upgrade fails saying "may be caused by unofficial packages"

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

Bug description:
  It used to say "may be caused by unofficial packages not provided by
  Ubuntu", but the log files I was directed to had hundreds of entries
  saying "could not find a suitable alternative for x package". Many of
  these packages were in fact installed from apt, so I don't know which
  packages are actually causing issues and which messages are normal. I
  then completely reset my /etc/apt/sources.list and
  /etc/apt/sources.list.d, but it still errors, and now without the "may
  be caused" message. "Could not calculate; unresolvable problem occurs;
  if none of this applies"

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubuntu-release-upgrader-core 1:22.04.20
  ProcVersionSignature: Ubuntu 6.8.0-45.45~22.04.1-generic 6.8.12
  Uname: Linux 6.8.0-45-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.6
  Architecture: amd64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Sep 19 15:37:03 2024
  InstallationDate: Installed on 2023-11-03 (321 days ago)
  InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230223)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/usr/bin/zsh
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to jammy on 2024-09-19 (0 days ago)
  VarLogDistupgradeTermlog:

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