[Bug 2067799] [NEW] An unresolvable problem occurred while calculating the upgrade

[peacecop kalmer:]

Public bug reported:

I want to upgrade from "23.10" to "24.04" and I get this log:

"<pre>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</pre>"

ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: ubuntu-release-upgrader-core 1:23.10.14
ProcVersionSignature: Ubuntu 6.5.0-35.35-generic 6.5.13
Uname: Linux 6.5.0-35-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.27.0-0ubuntu5
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
CurrentDesktop: XFCE
Date: Sat Jun  1 17:13:34 2024
InstallationDate: Installed on 2020-07-07 (1425 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to mantic on 2024-06-01 (0 days ago)
VarLogDistupgradeAptHistorylog:
 Start-Date: 2024-06-01  17:11:01
 Requested-By: kalmer (1000)
 End-Date: 2024-06-01  17:11:01
VarLogDistupgradeApttermlog:
 Log started: 2024-06-01  17:11:01
 Log ended: 2024-06-01  17:11:01

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


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

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https://bugs.launchpad.net/bugs/2067799

Title:
  An unresolvable problem occurred while calculating the upgrade

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

Bug description:
  I want to upgrade from "23.10" to "24.04" and I get this log:

  "<pre>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</pre>"

  ProblemType: Bug
  DistroRelease: Ubuntu 23.10
  Package: ubuntu-release-upgrader-core 1:23.10.14
  ProcVersionSignature: Ubuntu 6.5.0-35.35-generic 6.5.13
  Uname: Linux 6.5.0-35-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.27.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Sat Jun  1 17:13:34 2024
  InstallationDate: Installed on 2020-07-07 (1425 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to mantic on 2024-06-01 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2024-06-01  17:11:01
   Requested-By: kalmer (1000)
   End-Date: 2024-06-01  17:11:01
  VarLogDistupgradeApttermlog:
   Log started: 2024-06-01  17:11:01
   Log ended: 2024-06-01  17:11:01

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