[Bug 1986952] Re: can't upgrade - not clear what ppa-purge should purge

[Aaron Rainbolt]

Thank you for taking the time to report this issue and helping to make
Ubuntu better. Examining the information you have given us, this does
not appear to be a bug report so we are closing it and converting it to
a question in the support tracker. We understand the difficulties you
are facing, but it is better to raise problems you are having in the
support tracker at https://answers.launchpad.net/ubuntu if you are
uncertain if they are bugs. If you would prefer live chat support, you
can find an IRC support channel for your flavor of Ubuntu here:
https://wiki.ubuntu.com/IRC/ChannelList. You can also find help with
your problem in the support forum of your local Ubuntu community
http://loco.ubuntu.com/ or asking at https://askubuntu.com or
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https://help.ubuntu.com/community/ReportingBugs.

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

** Converted to question:
   https://answers.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+question/702823

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https://bugs.launchpad.net/bugs/1986952

Title:
  can't upgrade - not clear what ppa-purge should purge

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

Bug description:
  upgrading from 20.04.4 to 22 and get error:

  An unresolvable problem occurred while calculating the upgrade.

   This was likely caused by:
   * Unofficial software packages not provided by Ubuntu
  Please use the tool 'ppa-purge' from the ppa-purge 
  package to remove software from a Launchpad PPA and 
  try the upgrade again.

  i downloaded ppa-purge, but it's not clear what needs to be purged,
  nor what the issue is (from looking the logs mentioned).

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.38
  ProcVersionSignature: Ubuntu 5.15.0-43.46~20.04.1-generic 5.15.39
  Uname: Linux 5.15.0-43-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.24
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Aug 18 06:47:42 2022
  InstallationDate: Installed on 2020-09-05 (712 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2022-08-18 (0 days ago)
  VarLogDistupgradeTermlog:

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