[Bug 2039891] Re: ubuntu upgrade from 20.04 to 22.04 is failing

[Erich Eickmeyer]

There's a lot to unpack here. First, the apt.log tail is a red herring.
There were a LOT of failures further before that in your apt.log. The
/var/log/dist-upgrade/main.log was a lot more telling:

2023-10-20 03:19:43,098 WARNING Can't mark 'ubuntu-desktop' for upgrade (E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.)
2023-10-20 03:19:43,398 ERROR Dist-upgrade failed: 'Broken packages after upgrade: evolution-data-server, gnome-control-center, libgirepository-1.0-1, ubuntu-desktop'

Even further up, I noticed a lot of PPAs that got deactivated. PPAs
sometimes have interfering packages which can cause this very situation.
A good tool in the Ubuntu repositories is `ppa-purge` which can disable
and remove packages that were installed by the addition of a PPA, and is
highly recommended prior to trying a Release Upgrade. The command syntax
is as easy as `sudo ppa-purge ppa:{ppa username/ppa name}`.

The removal of those and all third-party repositories are highly
recommended before attempting a release upgrade to prevent problems like
this from happening as ubuntu-release-upgrader cannot account for third
party repositories or packages.

Furthermore, it appears as though your /etc/update-manager/release-
upgrades has been set to `Prompt=normal` when this would be expected to
be `Prompt=lts` when moving from LTS to LTS. While this might not be a
factor, it is slightly suspicious and not the default for this type of
upgrade.

Unfortunately, this doesn't appear to be a bug in ubuntu-release-
upgrader, but a package conflict with existing packages on the system.

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

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https://bugs.launchpad.net/bugs/2039891

Title:
  ubuntu upgrade from 20.04 to 22.04 is failing

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

Bug description:
  ubuntu upgrade from 20.04 to 22.04 is failing. 
  following are the error log from apt.log

  
  dist-upgrade tail -f /var/log/dist-upgrade/apt.log 
    MarkKeep xserver-xorg-input-libinput:amd64 < 0.29.0-1 -> 1.2.1-1 @ii umU Ib > FU=0
  Investigating (9) gnome-calendar:amd64 < 3.36.2-0ubuntu1 -> 41.2-3 @ii umU Ib >
  Broken gnome-calendar:amd64 Depends on libgweather-3-16:amd64 < 3.36.1-1~ubuntu20.04.1 | 40.0-5build1 @ii umH > (>= 40.0)
    Considering libgweather-3-16:amd64 20 as a solution to gnome-calendar:amd64 1
    MarkKeep gnome-calendar:amd64 < 3.36.2-0ubuntu1 -> 41.2-3 @ii umU Ib > FU=0
    Holding Back gnome-calendar:amd64 rather than change libgweather-3-16:amd64
   Try to Re-Instate (9) mutter:amd64
    MarkKeep mutter:amd64 < 3.36.9-0ubuntu0.20.04.2 -> 42.9-0ubuntu5 @ii umU Ib > FU=0
  Done
  Log time: 2023-10-20 03:19:45.886317

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.41
  ProcVersionSignature: Ubuntu 5.15.0-87.97~20.04.1-generic 5.15.122
  Uname: Linux 5.15.0-87-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.27
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Oct 20 03:20:10 2023
  InstallationDate: Installed on 2021-09-15 (764 days ago)
  InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2023-10-19 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2023-10-20T01:59:38.508862

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