[Bug 1898169] Re: do-release-upgrade failed after all ppa packages removed, 18.04 -> 20.04

[Brian Murray]

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

** 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/1898169

Title:
  do-release-upgrade failed after all ppa packages removed, 18.04 ->
  20.04

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

Bug description:
  do-release-upgrade fails when calculating the upgrade, I tried removing some packages but apt.log still reports in the end 49 conflicts.
  How do I figure out what to remove to enable upgrade?

  Description:    Ubuntu 18.04.5 LTS
  Release:        18.04

  do-release-upgrade: version 18.04.37

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.38
  ProcVersionSignature: Ubuntu 5.4.0-42.46~18.04.1-generic 5.4.44
  Uname: Linux 5.4.0-42-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.17
  Architecture: amd64
  CrashDB: ubuntu
  Date: Fri Oct  2 09:49:37 2020
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-10-02 (0 days ago)

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