[Bug 2120240] [NEW] Unable to upgrade to 24.04 LTS

[Ben]

Public bug reported:

1) 
Description:    Ubuntu 22.04.5 LTS
Release:        22.04

2)
ubuntu-release-upgrader-core:
  Installed: 1:22.04.20
  Candidate: 1:22.04.20
  Version table:
 *** 1:22.04.20 500
        500 http://us.archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu jammy-updates/main i386 Packages
        100 /var/lib/dpkg/status
     1:22.04.10 500
        500 http://us.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu jammy/main i386 Packages

3)Expected: upgrade to 24.04
 
4)Happened: failed with message:
"Could not determine the upgrade 

An unresolvable problem occurred while calculating the upgrade.

If none of this applies, then please report this bug..."

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubuntu-release-upgrader-core 1:22.04.20
ProcVersionSignature: Ubuntu 5.15.0-145.158-lowlatency 5.15.184
Uname: Linux 5.15.0-145-lowlatency x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82.10
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Sat Aug  9 21:49:01 2025
InstallationDate: Installed on 2020-10-28 (1745 days ago)
InstallationMedia: Ubuntu-Studio 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to jammy on 2025-08-09 (0 days ago)

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


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

** Attachment added: "could only upload 1 file so apt.log appended onto bottom of Main.log"
   https://bugs.launchpad.net/bugs/2120240/+attachment/5897982/+files/main%26apt.log

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https://bugs.launchpad.net/bugs/2120240

Title:
  Unable to upgrade to 24.04 LTS

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

Bug description:
  1) 
  Description:    Ubuntu 22.04.5 LTS
  Release:        22.04

  2)
  ubuntu-release-upgrader-core:
    Installed: 1:22.04.20
    Candidate: 1:22.04.20
    Version table:
   *** 1:22.04.20 500
          500 http://us.archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages
          500 http://us.archive.ubuntu.com/ubuntu jammy-updates/main i386 Packages
          100 /var/lib/dpkg/status
       1:22.04.10 500
          500 http://us.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
          500 http://us.archive.ubuntu.com/ubuntu jammy/main i386 Packages

  3)Expected: upgrade to 24.04
   
  4)Happened: failed with message:
  "Could not determine the upgrade 

  An unresolvable problem occurred while calculating the upgrade.

  If none of this applies, then please report this bug..."

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubuntu-release-upgrader-core 1:22.04.20
  ProcVersionSignature: Ubuntu 5.15.0-145.158-lowlatency 5.15.184
  Uname: Linux 5.15.0-145-lowlatency x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu82.10
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Sat Aug  9 21:49:01 2025
  InstallationDate: Installed on 2020-10-28 (1745 days ago)
  InstallationMedia: Ubuntu-Studio 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to jammy on 2025-08-09 (0 days ago)

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