[Bug 2010455] Re: Unable to determine upgrade 20.04 -> 22.04

[Nick Rosbrook]

*** This bug is a duplicate of bug 2009895 ***
    https://bugs.launchpad.net/bugs/2009895

This was caused by an incorrect version number used for a python-ldb
security update (see bug 2009895), and has since been resolved.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Invalid

** This bug has been marked a duplicate of bug 2009895
   python3-ldb version number breaks 20.04 to 22.04 upgrade

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https://bugs.launchpad.net/bugs/2010455

Title:
  Unable to determine upgrade 20.04 -> 22.04

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

Bug description:
  After cleaning PPAs, trying my best to remove any alternative versions of packages, upgrading all packages etc. I'm still unable to upgrade to 22.04 from 20.04.
  I'm not sure how to interpret information in the apt.log file - the broken packages all seem to be coming from the official focal, focal-updates etc. (checked most of them using apt-cache).
  I would appreciate any help.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.40
  ProcVersionSignature: Ubuntu 5.4.0-144.161-generic 5.4.229
  Uname: Linux 5.4.0-144-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.25
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  Date: Fri Mar 10 16:29:21 2023
  InstallationDate: Installed on 2018-07-19 (1695 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2023-03-10 (0 days ago)

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