[Bug 1368355] Re: Upgrade to Ubuntu 14.04 not possible

[Brian Murray]

*** This bug is a duplicate of bug 1279762 ***
    https://bugs.launchpad.net/bugs/1279762

** This bug has been marked a duplicate of bug 1279762
   upgrade to 14.04 from 13.10 or 12.04 failed - cinnamon fails to upgrade

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to update-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1368355

Title:
  Upgrade to Ubuntu 14.04 not possible

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  I try to upgrade Ubuntu 12.04LTS to Ubuntu 14.04LTS, like it is suggested in the "Gestionnaire des mises à jours"
  When arriving to "calculate" the following message apperas:
  "Impossible d'évaluer la mise à niveau

  An unresolvable problem occurred while calculating the upgrade.

   This can be caused by:
   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version of Ubuntu
   * Unofficial software packages not provided by 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."

  I use Cinnamon desktop.

  Thanks for your help

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.17
  ProcVersionSignature: Ubuntu 3.13.0-36.63~precise1-generic 3.13.11.6
  Uname: Linux 3.13.0-36-generic x86_64
  ApportVersion: 2.0.1-0ubuntu17.7
  Architecture: amd64
  Date: Thu Sep 11 19:05:54 2014
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1410454591
   com.ubuntu.update-manager show-details true
   com.ubuntu.update-manager window-height 589
   com.ubuntu.update-manager window-width 641
  InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2014-09-11 (0 days ago)
  VarLogDistupgradeTermlog:

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1368355/+subscriptions