[Bug 2111896] [NEW] Fail to upgrade to Ubuntu 22.04

[Ting-Hsuan Chen]

Public bug reported:

Fail to upgrade to Ubuntu 22.04 with the message "An unresolvable
problem occurred while calculating the upgrade.   This was likely caused
by:  * Unofficial software packages not provided by Ubuntu". Tried ppa-
purge but didn't work.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubuntu-release-upgrader-core 1:20.04.41
Uname: Linux 6.0.12-76060012-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.27
Architecture: amd64
CasperMD5CheckResult: skip
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Wed May 28 20:15:27 2025
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_NZ.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to focal on 2025-05-28 (0 days ago)
VarLogDistupgradeTermlog:
 
modified.conffile..etc.default.apport:
 # set this to 0 to disable apport, or to 1 to enable it
 # you can temporarily override this with
 # sudo service apport start force_start=1
 enabled=0
mtime.conffile..etc.default.apport: 2018-03-08T13:07:32.794203

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


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

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/2111896

Title:
  Fail to upgrade to Ubuntu 22.04

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

Bug description:
  Fail to upgrade to Ubuntu 22.04 with the message "An unresolvable
  problem occurred while calculating the upgrade.   This was likely
  caused by:  * Unofficial software packages not provided by Ubuntu".
  Tried ppa-purge but didn't work.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.41
  Uname: Linux 6.0.12-76060012-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.27
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Wed May 28 20:15:27 2025
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_NZ.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2025-05-28 (0 days ago)
  VarLogDistupgradeTermlog:
   
  modified.conffile..etc.default.apport:
   # set this to 0 to disable apport, or to 1 to enable it
   # you can temporarily override this with
   # sudo service apport start force_start=1
   enabled=0
  mtime.conffile..etc.default.apport: 2018-03-08T13:07:32.794203

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2111896/+subscriptions