[Bug 1313137] Re: Upgrade from 13.10 to 14.04 failed while calculating the upgrade

[Ubuntu Foundations Team Bug Bot]

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

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** 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/1313137

Title:
  Upgrade from 13.10 to 14.04 failed while calculating the upgrade

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

Bug description:
  While upgrading a fairly new system build from 13.10 to 14.04, upgrade
  failed with:

  * Upgrading to a pre-release version of Ubuntu 
  * Running the current pre-release version of Ubuntu 
  * Unofficial software packages not provided by Ubuntu 

  I am not aware of anything on this build that would meet any of these
  critieria (I do have KVM's running 14.04, but not the main system).
  Only package that I have added were a video card driver (since de-
  installed) and grub-customerizer).

  Posted here as the failure asked that if these three things are not
  true, post to Launchpad

  lsb_release -rd
  Description:	Ubuntu 13.10
  Release:	13.10

  I expected the upgrade to occur (as it has many times in the past) and
  it backed out the changes.

  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
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Sat Apr 26 08:53:42 2014
  InstallationDate: Installed on 2014-04-16 (10 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to saucy on 2014-04-26 (0 days ago)

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