[Bug 1887739] Re: 20.04 failed to calculate upgrade issue

[Brian Murray]

You do have some X packages installed from another PPA (paulo-miguel-
dias-ubuntu-mesa-bionic.list) and those are likely causing a failure to
calculate the upgrade. Please try purging that PPA and trying the
upgrade again.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1887739

Title:
  20.04 failed to calculate upgrade issue

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

Bug description:
  per previous suggestions (in a bug report) i tried "sudo ppa-purge
  ppa:oibaf/graphics-drivers". i don't have that ppa - but still have
  the same issue.

  Thanks for all your invaluable help

  Andrew

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.37
  ProcVersionSignature: Ubuntu 5.3.0-45.37~18.04.1-generic 5.3.18
  Uname: Linux 5.3.0-45-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.15
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Jul 16 14:15:54 2020
  InstallationDate: Installed on 2019-11-28 (230 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-07-16 (0 days ago)

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