[Bug 1241497] Re: can't do release upgrade. Already removed all packages that are not in the ubuntu-sources

[Brian Murray]

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

** 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/1241497

Title:
  can't do release upgrade. Already removed all packages that are not in
  the ubuntu-sources

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

Bug description:
  >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 

  The first two points are definitely not true an I already removed all
  unofficial Software

  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
  NonfreeKernelModules: fglrx
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  CrashDB: ubuntu
  Date: Fri Oct 18 12:44:36 2013
  InstallationDate: Installed on 2011-04-22 (909 days ago)
  InstallationMedia: Xubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413.2)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to raring on 2013-10-18 (0 days ago)

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