[Bug 2010069] Re: Trying to upgrade from 20.04 to 22.04.

[Kevin Carson]

Inspired by Giuseppe's comments, I tracked down some obsolete packages
using "apt list '?obsolete'" and removed those as well as their
lingering dependencies. I also checked if there were any held packages
using "apt-mark showhold" and there were none.

Unfortunately, after another try of doing the update-manager, it crashed
complaining about an I/O error with X11. Another run complained about
running a window as root within another user's session being not allowed
and I am now faced with a partial upgrade situation as the apt sources
were left steered to 22.04 :(

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https://bugs.launchpad.net/bugs/2010069

Title:
  Trying to upgrade from 20.04 to 22.04.

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

Bug description:
  Upgrade can't be calculated but not clear what the problem is. I did
  remove 3rd party applications and repositories beforehand.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.40
  ProcVersionSignature: Ubuntu 5.15.0-67.74~20.04.1-generic 5.15.85
  Uname: Linux 5.15.0-67-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.25
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Mar 10 07:39:40 2023
  InstallationDate: Installed on 2021-01-09 (790 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2023-03-10 (0 days ago)
  VarLogDistupgradeTermlog:

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