[Bug 1980574] Re: Cannot upgrade to Ubuntu 22.04 because of ubuntu-desktop package problems

[Martin Garbe]

I managed to upgrade my system and found the source of the problem.

The problem is that some pipewire packages were newer than the packages
which Ubuntu 22.04 wanted to install. You can see this in the logs of
VarLogDistupgradeAptlog.txt with the following line:

    gstreamer1.0-pipewire:amd64 Depends on pipewire:amd64 <
0.3.51-1~ubuntu20.04 @ii mK > (= 0.3.48-1ubuntu1) can't be satisfied!

The reason for the problem is that I installed some time ago a newer
pipewire because I tested Bluetooth headphones. This was installed via
an additional ppa (see
https://askubuntu.com/questions/1339765/replacing-pulseaudio-with-
pipewire-in-ubuntu-20-04)

 ppa:pipewire-debian/pipewire-upstream

Now that we know the root cause what is the fix?
The correct way is to use ppa-purge via:

 sudo ppa-purge ppa:pipewire-debian/pipewire-upstream

Why didn't I do this before?
Well, as a part of the upgrade process all ppa repos have to be deactivated. Therefore I deleted the ppa files manually in /etc/apt/sources.list.d/. After doing this you have no indication which package was installed by which source and everything worked smoothely and you forget these packages.


Let me tell you one additional way to upgrade even without ppa-purge. This was the way I found the problem.
I uninstalled ubuntu-desktop package. Then I was able to execute 'do-release-upgrade -d'. After reboot my system booted in text console because desktop was uninstalled. Now I tried to 'apt install ubuntu-desktop' and the system gave me an error with a useful hint:


 The following packages have unmet dependencies:
  gstreamer1.0-pipewire : Depends: pipewire (= 0.3.48-1ubuntu1) but 0.3.51-1~ubuntu20.04 is to be installed
                          Depends: libpipewire-0.3-0 (= 0.3.48-1ubuntu1) but 0.3.51-1~ubuntu20.04 is to be installed

Then I had to manually uninstall pipewire, libpipewire-0.3-0 and
libspa-0.2-bluetooth including all dependencies. After that 'apt install
ubuntu-desktop' was successfull.

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

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https://bugs.launchpad.net/bugs/1980574

Title:
  Cannot upgrade to Ubuntu 22.04 because of ubuntu-desktop package
  problems

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

Bug description:
  The package ubuntu-desktop has problems when upgrading from 20.04 to
  22.04.

  2022-07-02 21:04:18,935 WARNING Can't mark 'ubuntu-desktop' for upgrade (E:Unable to correct problems, you have held broken packages.)
  2022-07-02 21:04:19,147 ERROR Dist-upgrade failed: 'Broken packages after upgrade: ubuntu-desktop'

  Sadly, I cannot find errors in the logs which indicated how to solve
  the problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.38
  ProcVersionSignature: Ubuntu 5.14.0-1044.49-oem 5.14.21
  Uname: Linux 5.14.0-1044-oem x86_64
  ApportVersion: 2.20.11-0ubuntu27.24
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Jul  2 20:57:25 2022
  InstallationDate: Installed on 2021-02-06 (510 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2022-07-02 (0 days ago)

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