[Bug 1296163] Re: GUI updater does nothing when I authenticate and from a terminal I get Could not determine the upgrade An unresolvable problem occurred while calculating the upgrade.

[Ubuntu Foundations Team Bug Bot]

Reviewing the files from your upgrade attempt you seem to have enabled
the xorg-edgers-ppa.  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.  Thanks

[This is an automated message.  I apologize if it reached you
inappropriately; please just reply to this message indicating so.]

** Tags added: ppa

** Tags added: xorg-edgers-ppa

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1296163

Title:
  GUI updater does nothing when I authenticate and from a terminal I get
  Could not determine the upgrade   An unresolvable problem occurred
  while calculating the upgrade.

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

Bug description:
  I am using 13.04 and am trying to upgrade to 13.10.

  Using the Software Updater (GUI), it tells me that there is a new
  version of Ubuntu available (13.10), and when I click the Upgrade
  button it asks me to authenticate. When I enter my password and hit
  the Authenticate button, all windows disappear and nothing happens.

  I then used "do-release-upgrade" in a terminal, and here is the error:

  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  Building data structures... Done 

  Calculating the changes

  Calculating the changes

  Could not determine 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 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: 2.9.2-0ubuntu8.5
  Architecture: amd64
  CrashDB: ubuntu
  Date: Sun Mar 23 01:27:49 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2013-09-10 (193 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to raring on 2014-03-22 (0 days ago)

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