[Bug 1610464] Re: upgrade to 16.04 stops on advancement calculation

[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 oibaf'.  After that you try upgrading and 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/1610464

Title:
  upgrade to 16.04  stops on advancement calculation

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

Bug description:
  I motivi possono essere: 
  * L'avanzamento a una versione di pre-rilascio di Ubuntu 
  * L'esecuzione dell'attuale versione di pre-rilascio di Ubuntu 
  * Pacchetti software non ufficiali non forniti da Ubuntu

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-93.140-generic 3.13.11-ckt39
  Uname: Linux 3.13.0-93-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Fri Aug  5 17:51:47 2016
  InstallationDate: Installed on 2014-04-17 (840 days ago)
  InstallationMedia:
   
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-08-05 (0 days ago)

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