[Bug 2150339] [NEW] Upgrade to 26.04 fails

nwahmaet 2150339 at bugs.launchpad.net
Sat Apr 25 22:26:33 UTC 2026


Public bug reported:


Messages in terminal:

running do-release-upgrade -d from Ubuntu Budgie 25.10 fails .

Updating repository information
Hit http://archive.ubuntu.com/ubuntu resolute InRelease                                                                                                                                                                                   
Hit http://security.ubuntu.com/ubuntu resolute-security InRelease                                                                                                                                                                         
Hit http://archive.ubuntu.com/ubuntu resolute-updates 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'.

ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: ubuntu-release-upgrader-core 1:25.10.9
ProcVersionSignature: Ubuntu 6.17.0-22.22-generic 6.17.13
Uname: Linux 6.17.0-22-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CrashReports:
 640:113:115:1057522:2026-04-25 13:03:57.248829046 -0400:2026-04-25 13:03:57.620829632 -0400:/var/crash/_usr_bin_wireplumber.113.crash
 600:109:115:37:2026-04-25 13:03:59.469999597 -0400:2026-04-25 13:03:59.468832378 -0400:/var/crash/_usr_bin_wireplumber.113.uploaded
 644:113:115:0:2026-04-25 13:03:57.248829046 -0400:2026-04-25 13:03:57.248829046 -0400:/var/crash/_usr_bin_wireplumber.113.upload
CurrentDesktop: Budgie
Date: Sat Apr 25 18:23:21 2026
InstallationDate: Installed on 2024-04-14 (741 days ago)
InstallationMedia: Ubuntu-Budgie 23.10.1 "Mantic Minotaur" - Release amd64 (20231016.1)
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 questing on 2026-04-25 (0 days ago)
VarLogDistupgradeAptHistorylog:
 Start-Date: 2026-04-25  18:18:55
 Requested-By: peter (1001)
 End-Date: 2026-04-25  18:18:55
VarLogDistupgradeApttermlog:
 Log started: 2026-04-25  18:18:55
 Log ended: 2026-04-25  18:18:55

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


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

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https://bugs.launchpad.net/bugs/2150339

Title:
  Upgrade to 26.04 fails

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

Bug description:
  
  Messages in terminal:

  running do-release-upgrade -d from Ubuntu Budgie 25.10 fails .

  Updating repository information
  Hit http://archive.ubuntu.com/ubuntu resolute InRelease                                                                                                                                                                                   
  Hit http://security.ubuntu.com/ubuntu resolute-security InRelease                                                                                                                                                                         
  Hit http://archive.ubuntu.com/ubuntu resolute-updates 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'.

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: ubuntu-release-upgrader-core 1:25.10.9
  ProcVersionSignature: Ubuntu 6.17.0-22.22-generic 6.17.13
  Uname: Linux 6.17.0-22-generic x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CrashReports:
   640:113:115:1057522:2026-04-25 13:03:57.248829046 -0400:2026-04-25 13:03:57.620829632 -0400:/var/crash/_usr_bin_wireplumber.113.crash
   600:109:115:37:2026-04-25 13:03:59.469999597 -0400:2026-04-25 13:03:59.468832378 -0400:/var/crash/_usr_bin_wireplumber.113.uploaded
   644:113:115:0:2026-04-25 13:03:57.248829046 -0400:2026-04-25 13:03:57.248829046 -0400:/var/crash/_usr_bin_wireplumber.113.upload
  CurrentDesktop: Budgie
  Date: Sat Apr 25 18:23:21 2026
  InstallationDate: Installed on 2024-04-14 (741 days ago)
  InstallationMedia: Ubuntu-Budgie 23.10.1 "Mantic Minotaur" - Release amd64 (20231016.1)
  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 questing on 2026-04-25 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2026-04-25  18:18:55
   Requested-By: peter (1001)
   End-Date: 2026-04-25  18:18:55
  VarLogDistupgradeApttermlog:
   Log started: 2026-04-25  18:18:55
   Log ended: 2026-04-25  18:18:55

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