[Bug 2063360] [NEW] Could not calculate the upgrade

[Christian Kujau]

Public bug reported:

Trying to upgrade from 22.04.4 to 24.04:


$ do-release-upgrade -d
Checking for a new Ubuntu release

= Welcome to Ubuntu 24.04 LTS 'Noble Numbat' =
[...]

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.

This was caused by:  
* Upgrading to a pre-release version of Ubuntu
This is most likely a transient problem,
please try again later.
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'.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubuntu-release-upgrader-core 1:22.04.19
ProcVersionSignature: Ubuntu 6.5.0-28.29~22.04.1-generic 6.5.13
Uname: Linux 6.5.0-28-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
Date: Wed Apr 24 19:28:06 2024
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to jammy on 2024-04-24 (0 days ago)

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


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

** Attachment added: "/var/log/dist-upgrade/main.log"
   https://bugs.launchpad.net/bugs/2063360/+attachment/5770081/+files/main.log

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https://bugs.launchpad.net/bugs/2063360

Title:
  Could not calculate the upgrade

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

Bug description:
  Trying to upgrade from 22.04.4 to 24.04:

  
  $ do-release-upgrade -d
  Checking for a new Ubuntu release

  = Welcome to Ubuntu 24.04 LTS 'Noble Numbat' =
  [...]

  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.

  This was caused by:  
  * Upgrading to a pre-release version of Ubuntu
  This is most likely a transient problem,
  please try again later.
  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'.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubuntu-release-upgrader-core 1:22.04.19
  ProcVersionSignature: Ubuntu 6.5.0-28.29~22.04.1-generic 6.5.13
  Uname: Linux 6.5.0-28-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  Date: Wed Apr 24 19:28:06 2024
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to jammy on 2024-04-24 (0 days ago)

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