[Bug 1980670] [NEW] cannot upgrade to ubuntu 22.04 LTS from 21.10

[Timm]

Public bug reported:

Description:	Ubuntu 21.10
Release:	21.10

ubuntu-release-upgrader-core:
  Installiert:           1:21.10.9
  Installationskandidat: 1:21.10.9
  Versionstabelle:
 *** 1:21.10.9 500
        500 http://iq.archive.ubuntu.com/ubuntu impish-updates/main amd64 Packages
        500 http://iq.archive.ubuntu.com/ubuntu impish-updates/main i386 Packages
        100 /var/lib/dpkg/status
     1:21.10.8 500
        500 http://iq.archive.ubuntu.com/ubuntu impish/main amd64 Packages
        500 http://iq.archive.ubuntu.com/ubuntu impish/main i386 Packages

I expected to be able to upgrade to 22.04 without issues. However it
results in an error message that "it couldn't detect the available
system updates, this could be caused by third party PPAs", etc. even
though they should be disabled since I recently upgraded from 20.04 to
21.10.

ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: ubuntu-release-upgrader-core 1:21.10.9
ProcVersionSignature: Ubuntu 5.13.0-52.59-generic 5.13.19
Uname: Linux 5.13.0-52-generic x86_64
ApportVersion: 2.20.11-0ubuntu71.2
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Mon Jul  4 17:44:09 2022
InstallationDate: Installed on 2020-07-16 (718 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to impish on 2022-07-04 (0 days ago)
VarLogDistupgradeTermlog:
 
mtime.conffile..etc.update-manager.release-upgrades: 2022-07-04T17:39:53.700157

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade impish third-party-packages

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https://bugs.launchpad.net/bugs/1980670

Title:
  cannot upgrade to ubuntu 22.04 LTS from 21.10

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

Bug description:
  Description:	Ubuntu 21.10
  Release:	21.10

  ubuntu-release-upgrader-core:
    Installiert:           1:21.10.9
    Installationskandidat: 1:21.10.9
    Versionstabelle:
   *** 1:21.10.9 500
          500 http://iq.archive.ubuntu.com/ubuntu impish-updates/main amd64 Packages
          500 http://iq.archive.ubuntu.com/ubuntu impish-updates/main i386 Packages
          100 /var/lib/dpkg/status
       1:21.10.8 500
          500 http://iq.archive.ubuntu.com/ubuntu impish/main amd64 Packages
          500 http://iq.archive.ubuntu.com/ubuntu impish/main i386 Packages

  I expected to be able to upgrade to 22.04 without issues. However it
  results in an error message that "it couldn't detect the available
  system updates, this could be caused by third party PPAs", etc. even
  though they should be disabled since I recently upgraded from 20.04 to
  21.10.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.10
  Package: ubuntu-release-upgrader-core 1:21.10.9
  ProcVersionSignature: Ubuntu 5.13.0-52.59-generic 5.13.19
  Uname: Linux 5.13.0-52-generic x86_64
  ApportVersion: 2.20.11-0ubuntu71.2
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jul  4 17:44:09 2022
  InstallationDate: Installed on 2020-07-16 (718 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to impish on 2022-07-04 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update-manager.release-upgrades: 2022-07-04T17:39:53.700157

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