[Bug 1381990] Re: Unable to upgrade 14.04 LTS from 12.04.5

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: update-manager (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1381990

Title:
  Unable to upgrade 14.04 LTS from 12.04.5

Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  When I tried to upgrade. I am getting the following message

  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 1:0.156.14.17
  ProcVersionSignature: Ubuntu 3.2.0-70.105-generic-pae 3.2.63
  Uname: Linux 3.2.0-70-generic-pae i686
  ApportVersion: 2.0.1-0ubuntu17.7
  Architecture: i386
  Date: Thu Oct 16 16:05:53 2014
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2014-10-16 (0 days ago)

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