[Bug 1908834] Re: do-release-upgrade not work

[Brian Murray]

*** This bug is a duplicate of bug 1069133 ***
    https://bugs.launchpad.net/bugs/1069133

Reviewing the files from your upgrade attempt you seem to have enabled a
PPA that provides Xorg packages. This will prevent the upgrade as that
PPA contains package version numbers greater than the release to which
you are upgrading. You can revert the PPA by installing the ppa-purge
package from the official Ubuntu archive and then running 'sudo ppa-
purge ppa:oibaf/graphics-drivers'.  After that you can try upgrading
again and if it still fails open a new bug report.  Thanks and good
luck!

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

** Tags added: ppa xorg-oibaf-ppa

** This bug has been marked a duplicate of bug 1069133
   Get upgrade error 12.04 - 12.10 "Could not determine upgrade" - xorg from ppa

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https://bugs.launchpad.net/bugs/1908834

Title:
  do-release-upgrade not work

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

Bug description:
  Es konnte nicht ermittelt werden, welche Systemaktualisierungen 
  verfügbar sind 

  Ein unlösbares Problem trat während der Berechnung der 
  Systemaktualisierung auf. 

  Die wurde wahrscheinlich verursacht durch: 
  * Inoffizielle Software-Pakete, die nicht von Ubuntu bereitgestellt 
  werden 
  Bitte verwenden Sie das Tool »ppa-purge« aus dem ppa-purge- 
  Paket, um Software von einem Launchpad PPA zu entfernen und 
  versuchen Sie die Systemaktualisierung erneut.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.41
  ProcVersionSignature: Ubuntu 4.15.0-128.131-generic 4.15.18
  Uname: Linux 4.15.0-128-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Dec 20 20:31:35 2020
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-12-20 (0 days ago)

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