[Bug 1310328] Re: update manager fails 12.04.4 LTS ->14.04 LTS

[Jean-Baptiste Lallement]

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

** Package changed: update-manager (Ubuntu) => ubuntu-release-upgrader
(Ubuntu)

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

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https://bugs.launchpad.net/bugs/1310328

Title:
  update manager fails 12.04.4 LTS ->14.04 LTS

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

Bug description:
  Could not calculate the upgrade

  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

  If none of this applies, then please report this bug using the command
  'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.13
  ProcVersionSignature: Ubuntu 3.11.0-19.33~precise1-generic 3.11.10.5
  Uname: Linux 3.11.0-19-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  Date: Sun Apr 20 13:43:53 2014
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1398015599
   com.ubuntu.update-manager show-details true
   com.ubuntu.update-manager window-height 500
   com.ubuntu.update-manager window-width 600
  InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140204)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_CA:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2014-04-20 (0 days ago)
  VarLogDistupgradeTermlog:

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