[Bug 1241191] Re: Update 13.04 problem

[Brian Murray]

It is not enough to just remove the sources.list files for the PPA, you
also need to downgrade to the official ubuntu versions of the packages
provided by that PPA.  The page I linked to contains the following:

"To revert to official packages, install the ppa-purge package and run
"sudo ppa-purge xorg-edgers". Note: This currently has issues in oneiric
because ppa-purge there does not work with multiarch. ppa-purge packages
from this PPA do purge correctly on precise and newer."

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https://bugs.launchpad.net/bugs/1241191

Title:
  Update 13.04 problem

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

Bug description:
  When I've tried to update I got the message:

  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 

  I'm using release 13.04. All files from /etc/apt/source.list.d/ were
  removed.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: ubuntu-release-upgrader-core 1:0.192.13
  ProcVersionSignature: Ubuntu 3.8.0-31.46-generic 3.8.13.8
  Uname: Linux 3.8.0-31-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  CrashDB: ubuntu
  Date: Thu Oct 17 23:20:06 2013
  InstallationDate: Installed on 2013-04-30 (170 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to raring on 2013-10-17 (0 days ago)

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