[Bug 2043164] [NEW] Dist-upgrade fails: "Could not calculate the upgrade "

[Pekka Tallqvist]

Public bug reported:

Upgrading from 23.04 to 23.10. Expected an upgrade, got
"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'. 
"

ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: ubuntu-release-upgrader-core 1:23.04.7
ProcVersionSignature: Ubuntu 6.2.0-36.37-generic 6.2.16
Uname: Linux 6.2.0-36-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.26.1-0ubuntu2.1
Architecture: amd64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov 10 08:30:21 2023
InstallationDate: Installed on 2023-09-08 (62 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to lunar on 2023-11-10 (0 days ago)
VarLogDistupgradeAptHistorylog:
 Start-Date: 2023-11-10  08:22:02
 Requested-By: pekka (1000)
 End-Date: 2023-11-10  08:22:02
VarLogDistupgradeApttermlog:
 Log started: 2023-11-10  08:22:02
 Log ended: 2023-11-10  08:22:02

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


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

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https://bugs.launchpad.net/bugs/2043164

Title:
  Dist-upgrade fails: "Could not calculate the upgrade "

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

Bug description:
  Upgrading from 23.04 to 23.10. Expected an upgrade, got
  "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'. 
  "

  ProblemType: Bug
  DistroRelease: Ubuntu 23.04
  Package: ubuntu-release-upgrader-core 1:23.04.7
  ProcVersionSignature: Ubuntu 6.2.0-36.37-generic 6.2.16
  Uname: Linux 6.2.0-36-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.26.1-0ubuntu2.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Nov 10 08:30:21 2023
  InstallationDate: Installed on 2023-09-08 (62 days ago)
  InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to lunar on 2023-11-10 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2023-11-10  08:22:02
   Requested-By: pekka (1000)
   End-Date: 2023-11-10  08:22:02
  VarLogDistupgradeApttermlog:
   Log started: 2023-11-10  08:22:02
   Log ended: 2023-11-10  08:22:02

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