[Bug 1905430] [NEW] release upgrade from 18.04 to 20.04 does not work

[Marcus Schwamberger]

Public bug reported:


the typical "do-release-update" delivers a roleback with the comment that there was an unsolvable problem possibly caused by inoffical software packages (which I thought I had removed completly)

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.40
ProcVersionSignature: Ubuntu 5.4.0-54.60~18.04.1-generic 5.4.65
Uname: Linux 5.4.0-54-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.20
Architecture: amd64
CrashDB: ubuntu
Date: Tue Nov 24 17:23:57 2020
InstallationDate: Installed on 2019-07-31 (482 days ago)
InstallationMedia: Xubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=de_DE:en
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-11-24 (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/1905430

Title:
  release upgrade from 18.04 to 20.04 does not work

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

Bug description:
  
  the typical "do-release-update" delivers a roleback with the comment that there was an unsolvable problem possibly caused by inoffical software packages (which I thought I had removed completly)

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.40
  ProcVersionSignature: Ubuntu 5.4.0-54.60~18.04.1-generic 5.4.65
  Uname: Linux 5.4.0-54-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.20
  Architecture: amd64
  CrashDB: ubuntu
  Date: Tue Nov 24 17:23:57 2020
  InstallationDate: Installed on 2019-07-31 (482 days ago)
  InstallationMedia: Xubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=de_DE:en
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-11-24 (0 days ago)

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