[Bug 1980300] [NEW] Unable to run sudo do-release-upgrade -p successfully

[Jeremy Hill]

Public bug reported:

Trying to upgrade, after removing PPA files, now getting "an
unresolvable problem"

Checking package manager
Reading package lists... Done    
Building dependency tree          
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'. 


Restoring original system state

Aborting
Reading package lists... Done

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.45
ProcVersionSignature: Ubuntu 5.4.0-104.118~18.04.1-generic 5.4.166
Uname: Linux 5.4.0-104-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.28
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Wed Jun 29 21:01:01 2022
InstallationDate: Installed on 2019-10-11 (992 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2022-06-30 (0 days ago)

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


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

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https://bugs.launchpad.net/bugs/1980300

Title:
  Unable to run sudo do-release-upgrade -p successfully

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

Bug description:
  Trying to upgrade, after removing PPA files, now getting "an
  unresolvable problem"

  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  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'. 

  
  Restoring original system state

  Aborting
  Reading package lists... Done

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.45
  ProcVersionSignature: Ubuntu 5.4.0-104.118~18.04.1-generic 5.4.166
  Uname: Linux 5.4.0-104-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.28
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Wed Jun 29 21:01:01 2022
  InstallationDate: Installed on 2019-10-11 (992 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2022-06-30 (0 days ago)

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