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

[Brian Murray]

*** This bug is a duplicate of bug 1886748 ***
    https://bugs.launchpad.net/bugs/1886748

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1886748, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** This bug has been marked a duplicate of bug 1886748
   upgrade from 18.04 to 20.04 fails to calculate if libomp5 is installed

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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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