[Bug 1453579] Re: Unable to upgrade From 14.04LT Ubuntu to 15.04

[M. Rideout]

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

How do I fix it?

On 2015-05-13 11:22 AM, Brian Murray wrote:
> *** This bug is a duplicate of bug 1069133 ***
>      https://bugs.launchpad.net/bugs/1069133
>
> Reviewing the files from your upgrade attempt you seem to have enabled a
> PPA that provides Xorg packages. This will prevent the upgrade as that
> PPA contains different versions of packages essential to Ubuntu.  The
> page, https://launchpad.net/~xorg-edgers/+archive/ppa, contains details
> on to how to revert to the official Xorg packages for the xorg-edgers
> PPA.  Instructions for reverting to official Xorg packages should be
> similar for the PPA that you have enabled.
>
> ** Changed in: ubuntu-release-upgrader (Ubuntu)
>         Status: New => Invalid
>
> ** Tags added: ppa xorg-edgers-ppa
>
> ** 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/1453579

Title:
  Unable to upgrade From 14.04LT Ubuntu to 15.04

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

Bug description:
  During the process of setting up new software channels a popup comes
  up that says, "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.'

  How do I resolve this problem?

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubuntu-release-upgrader-core 1:14.10.10
  ProcVersionSignature: Ubuntu 3.16.0-37.51-generic 3.16.7-ckt9
  Uname: Linux 3.16.0-37-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.4
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sun May 10 11:35:25 2015
  InstallationDate: Installed on 2014-12-31 (129 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to utopic on 2015-05-10 (0 days ago)
  VarLogDistupgradeTermlog:

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