[Bug 1240978] Re: Cannot upgrade to saucy

[Brian Murray]

*** This bug is a duplicate of bug 1241420 ***
    https://bugs.launchpad.net/bugs/1241420

** This bug is no longer a duplicate of bug 1216187
   unity blocks saucy upgrade
** This bug has been marked a duplicate of bug 1241420
   unity held back if ubuntu-desktop is not installed during upgrade from raring to saucy (upgrade fails)

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https://bugs.launchpad.net/bugs/1240978

Title:
  Cannot upgrade to saucy

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

Bug description:
  I've emptied my /etc/apt/sources.list.d/ and /etc/apt/sources.list is
  the orginal one. Still I cannot upgrade to saucy. I get this error
  message:

  Änderungen werden berechnet ("calculating differences")

  Änderungen werden berechnet

  Es konnte nicht ermittelt werden, welche Systemaktualisierungen 
  verfügbar sind  ("could not determine which system updates are available")

  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

  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 15:20:21 2013
  InstallationDate: Installed on 2013-05-06 (164 days ago)
  InstallationMedia: Ubuntu-Server 13.04 "Raring Ringtail" - Release amd64 (20130423.1)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to raring on 2013-10-17 (0 days ago)

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