[Bug 1898613] [NEW] errors when trying to install upgrade to the new release

[Mark Hosselton]

Public bug reported:

I don't know if it's an actual bug or not. Using Release 20.04.
---------------------------------------------------------------------------------------------------------------------------------------------------------
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'.
-----------------------------------------------------------------------------------------------------------------------


Thanks for checking.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.39
ProcVersionSignature: Ubuntu 4.15.0-119.120-generic 4.15.18
Uname: Linux 4.15.0-119-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.18
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct  5 14:54:32 2020
InstallationDate: Installed on 2012-10-28 (2899 days ago)
InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110720.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-10-05 (0 days ago)
VarLogDistupgradeTermlog:
 
mtime.conffile..etc.update-manager.release-upgrades: 2020-08-15T12:24:35.596205

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


** Tags: amd64 apport-bug bionic dist-upgrade third-party-packages

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https://bugs.launchpad.net/bugs/1898613

Title:
  errors when trying to install upgrade to the new release

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

Bug description:
  I don't know if it's an actual bug or not. Using Release 20.04.
  ---------------------------------------------------------------------------------------------------------------------------------------------------------
  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'.
  -----------------------------------------------------------------------------------------------------------------------

  
  Thanks for checking.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.39
  ProcVersionSignature: Ubuntu 4.15.0-119.120-generic 4.15.18
  Uname: Linux 4.15.0-119-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Oct  5 14:54:32 2020
  InstallationDate: Installed on 2012-10-28 (2899 days ago)
  InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110720.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-10-05 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update-manager.release-upgrades: 2020-08-15T12:24:35.596205

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