[Bug 1311143] Re: Impossible to upgrade my 13.10 to 14.04

[Jean-Baptiste Lallement]

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

** 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/1311143

Title:
  Impossible to upgrade my 13.10 to 14.04

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

Bug description:
  Hello,

  I deactivated third-parties repositories on my 13.10, but when i try
  performing the upgrade to 14.04, an error is shown after the "Defining
  new software repositories" (translation from french, so the label may
  not be exact) phase I get the following error message :

  '
  '
  Impossible d'évaluer la mise à niveau

  Un problème insoluble est survenu lors de la préparation de la mise à
  niveau.

   Ceci peut-être dû à :
   * la mise à niveau vers une version de développement d'Ubuntu ;
   * la version de développement d'Ubuntu est actuellement utilisée ;
   * des paquets logiciels non officiels, non fournis par Ubuntu.

  Si rien de tout cela ne s'applique, veuillez signaler ce bogue en utilisant la commande 'ubuntu-bug ubuntu-release-upgrader-core' dans un terminal.
  '
  '

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: ubuntu-release-upgrader-core 1:0.205.6
  ProcVersionSignature: Ubuntu 3.11.0-20.34-generic 3.11.10.6
  Uname: Linux 3.11.0-20-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Tue Apr 22 16:14:49 2014
  InstallationDate: Installed on 2013-02-21 (424 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to saucy on 2014-04-22 (0 days ago)
  VarLogDistupgradeTermlog:

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