[Bug 1179334] [NEW] can't upgrade from 12.10 to 13.04

[Mastarto]

Public bug reported:

Could not calculate the upgrade

An unresolvable problem occurred while calculating the upgrade:
E:Unable to correct problems, you have held broken packages.

 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 12.10
Package: ubuntu-release-upgrader-core 1:0.190.6
ProcVersionSignature: Ubuntu 3.2.0-41.66-generic 3.2.42
Uname: Linux 3.2.0-41-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.6.1-0ubuntu10
Architecture: i386
Date: Mon May 13 08:53:40 2013
InstallationDate: Installed on 2012-01-02 (496 days ago)
InstallationMedia: Sabily-ultimate 11.10 "Uhud" - release i386 (20111217)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to quantal on 2013-05-13 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug dist-upgrade i386 quantal

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https://bugs.launchpad.net/bugs/1179334

Title:
  can't upgrade from 12.10 to 13.04

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

Bug description:
  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade:
  E:Unable to correct problems, you have held broken packages.

   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 12.10
  Package: ubuntu-release-upgrader-core 1:0.190.6
  ProcVersionSignature: Ubuntu 3.2.0-41.66-generic 3.2.42
  Uname: Linux 3.2.0-41-generic i686
  NonfreeKernelModules: wl
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: i386
  Date: Mon May 13 08:53:40 2013
  InstallationDate: Installed on 2012-01-02 (496 days ago)
  InstallationMedia: Sabily-ultimate 11.10 "Uhud" - release i386 (20111217)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to quantal on 2013-05-13 (0 days ago)
  VarLogDistupgradeTermlog:

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