[Bug 2039922] Re: Upgrade to 23.10 fails with error "An unresolvable problem occurred while calculating the upgrade."

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/2039922

Title:
  Upgrade to 23.10 fails with error "An unresolvable problem occurred
  while calculating the upgrade."

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

Bug description:
  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 likely caused by: 
  * Unofficial software packages not provided by Ubuntu 
  Please use the tool 'ppa-purge' from the ppa-purge 
  package to remove software from a Launchpad PPA and 
  try the upgrade again. 

  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 23.04
  Package: ubuntu-release-upgrader-core 1:23.04.7
  ProcVersionSignature: Ubuntu 6.2.0-35.35-generic 6.2.16
  Uname: Linux 6.2.0-35-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.26.1-0ubuntu2.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CrashReports:
   640:1000:123:2454801240:2023-10-17 13:49:57.001308793 -0700:2023-10-17 09:09:33.762042981 -0700:/var/crash/_opt_google_chrome_chrome.1000.crash
   600:116:123:5:2023-10-17 19:09:15.141720274 -0700:2023-10-17 13:49:57.113309693 -0700:/var/crash/_opt_google_chrome_chrome.1000.uploaded
   644:1000:123:0:2023-10-17 13:49:57.005308826 -0700:2023-10-17 13:49:57.005308826 -0700:/var/crash/_opt_google_chrome_chrome.1000.upload
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Oct 19 23:26:30 2023
  InstallationDate: Installed on 2021-12-12 (676 days ago)
  InstallationMedia: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to lunar on 2023-10-20 (0 days ago)

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