[Bug 1405700] Re: could not determine the upgrade

[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

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https://bugs.launchpad.net/bugs/1405700

Title:
  could not determine the upgrade

Status in update-manager package in Ubuntu:
  New

Bug description:
  I was updating ubuntu version 12 to the latest realese version 14.04.1 LTS. Each time I attempted to upgrade I will always get this error message:
  Could not determine the upgrade
  an unresolvable problem occurred whilecalculating the upgrade
  This can be cause by:
  updating 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 these applies, then please report this bug using the
  command 'ubuntu-bug ubuntu-release-upgrader-core'

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.17
  ProcVersionSignature: Ubuntu 3.2.0-74.109-generic 3.2.64
  Uname: Linux 3.2.0-74-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.0.1-0ubuntu17.8
  Architecture: amd64
  Date: Fri Dec 26 01:08:33 2014
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1419445276
   com.ubuntu.update-manager window-height 518
   com.ubuntu.update-manager window-width 600
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2014-12-24 (1 days ago)
  VarLogDistupgradeTermlog:

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