[Bug 2139607] [NEW] release upgrade

[Yuma Hara]

Public bug reported:

I cant upgrade from ubuntu20.04 to ubuntu22.04.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubuntu-release-upgrader-core 1:20.04.41
ProcVersionSignature: Ubuntu 5.15.0-139.149~20.04.1-generic 5.15.178
Uname: Linux 5.15.0-139-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.31
Architecture: amd64
CasperMD5CheckResult: skip
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Mon Feb  2 23:55:58 2026
InstallationDate: Installed on 2023-10-05 (851 days ago)
InstallationMedia: Ubuntu 20.04.6 LTS "Focal Fossa" - Release amd64 (20230316)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=ja_JP.UTF-8
 SHELL=/usr/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to focal on 2026-02-02 (0 days ago)

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


** Tags: amd64 apport-bug dist-upgrade focal

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https://bugs.launchpad.net/bugs/2139607

Title:
  release upgrade

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

Bug description:
  I cant upgrade from ubuntu20.04 to ubuntu22.04.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.41
  ProcVersionSignature: Ubuntu 5.15.0-139.149~20.04.1-generic 5.15.178
  Uname: Linux 5.15.0-139-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.31
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Feb  2 23:55:58 2026
  InstallationDate: Installed on 2023-10-05 (851 days ago)
  InstallationMedia: Ubuntu 20.04.6 LTS "Focal Fossa" - Release amd64 (20230316)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=ja_JP.UTF-8
   SHELL=/usr/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2026-02-02 (0 days ago)

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