[Bug 2150145] Re: unidentifiable error at start of do-release-upgrade

[Daniel Tang]

*** This bug is a duplicate of bug 2150319 ***
    https://bugs.launchpad.net/bugs/2150319

** This bug has been marked a duplicate of bug 2150319
   lintian breaks upgrade from 24.04 to 26.04

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https://bugs.launchpad.net/bugs/2150145

Title:
  unidentifiable error at start of do-release-upgrade

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

Bug description:
  I can't see any problem except
  misterious
  ----------------
  Could not calculate the upgrade
  An unresolvable problem occurred while calculating the upgrade.
  ------------------------


  the log follows:
  ====================================
  Reading cache

  Checking package manager
  Reading package lists... Done
  Building dependency tree... Done
  Reading state information... Done
  Hit https://apt.releases.hashicorp.com noble InRelease
  Hit https://download.docker.com/linux/ubuntu noble InRelease
  Hit https://deb.nodesource.com/node_22.x nodistro InRelease
  Hit https://dl.google.com/linux/chrome/deb stable InRelease
  Hit http://lenovo.archive.canonical.com noble InRelease
  Hit https://packages.microsoft.com/repos/edge stable InRelease
  Hit https://repository.spotify.com stable InRelease
  Hit https://packages.microsoft.com/repos/code stable InRelease
  Hit https://ppa.launchpadcontent.net/bit-team/stable/ubuntu lunar InRelease
  Hit https://deb.termius.com squeeze InRelease
  Hit https://linux.dropbox.com/ubuntu noble InRelease
  Hit https://dbeaver.io/debs/dbeaver-ce  InRelease
  Hit https://esm.ubuntu.com/apps/ubuntu noble-apps-security InRelease
  Hit https://esm.ubuntu.com/apps/ubuntu noble-apps-updates InRelease
  Hit https://esm.ubuntu.com/infra/ubuntu noble-infra-security InRelease
  Hit https://esm.ubuntu.com/infra/ubuntu noble-infra-updates InRelease
  Hit https://archive.ubuntu.com/ubuntu noble InRelease
  Hit https://archive.ubuntu.com/ubuntu noble-updates InRelease
  Hit https://archive.ubuntu.com/ubuntu noble-backports InRelease
  Hit https://archive.ubuntu.com/ubuntu noble-security InRelease
  Hit https://prod-cdn.packages.k8s.io/repositories/isv:/kubernetes:/core:/stable:/v1.32/deb  InRelease
  Hit https://packages.buildkite.com/helm-linux/helm-debian/any any InRelease
  Fetched 0 B in 0s (0 B/s)
  Reading package lists... Done
  Building dependency tree... Done
  Reading state information... Done
  Fetched 0 B in 0s (0 B/s)

  Updating repository information
  Hit https://archive.ubuntu.com/ubuntu resolute InRelease
  Hit https://esm.ubuntu.com/apps/ubuntu resolute-apps-updates InRelease
  Hit https://archive.ubuntu.com/ubuntu resolute-updates InRelease
  Hit https://esm.ubuntu.com/apps/ubuntu resolute-apps-security InRelease
  Hit https://archive.ubuntu.com/ubuntu resolute-security InRelease
  Hit https://esm.ubuntu.com/infra/ubuntu resolute-infra-updates InRelease
  Hit https://archive.ubuntu.com/ubuntu resolute-backports InRelease
  Hit https://esm.ubuntu.com/infra/ubuntu resolute-infra-security InRelease
  Fetched 0 B in 0s (0 B/s)

  Checking package manager
  Reading package lists... Done
  Building dependency tree... Done
  Reading state information... Done

  Calculating the changes

  Calculating the changes

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  If none of this applies, then please report this bug using the
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If
  you want to investigate this yourself the log files in
  '/var/log/dist-upgrade' will contain details about the upgrade.
  Specifically, look at 'main.log' and 'apt.log'.

  Restoring original system state

  Aborting
  Reading package lists... Done
  Building dependency tree... Done
  Reading state information... Done

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: ubuntu-release-upgrader-core 1:24.04.28
  ProcVersionSignature: Ubuntu 6.17.0-22.22~24.04.1-generic 6.17.13
  Uname: Linux 6.17.0-22-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.8
  Architecture: amd64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Apr 23 20:21:41 2026
  InstallationDate: Installed on 2024-10-11 (559 days ago)
  InstallationMedia: Ubuntu 22.04.5 LTS "Jammy Jellyfish" - Release amd64 (20240911)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to noble on 2026-04-23 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2026-04-23  20:20:35
   Requested-By: miroslav.zatko (1001)
   End-Date: 2026-04-23  20:20:35
  VarLogDistupgradeApttermlog:
   Log started: 2026-04-23  20:20:35
   Log ended: 2026-04-23  20:20:35

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