[Bug 1314355] [NEW] Trying to upgrade with do-release-upgrade fails

[Kirscher]

Public bug reported:

do-release-upgrade  (on 13.04 to try to upgrade to 13.10) leads to
following 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

The 2 first reason do not apply to my situation, so I have deactivated
backports in sources.list , but the problem remains...

Don't know what to do to identify what is blocking the upgrade.

Any suggestion is welcome.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: ubuntu-release-upgrader-core 1:0.192.13
ProcVersionSignature: Ubuntu 3.8.0-35.50-generic 3.8.13.13
Uname: Linux 3.8.0-35-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8.5
Architecture: amd64
CrashDB: ubuntu
Date: Tue Apr 29 20:36:11 2014
InstallationDate: Installed on 2013-01-31 (453 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to raring on 2014-04-29 (0 days ago)

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


** Tags: amd64 apport-bug dist-upgrade raring

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https://bugs.launchpad.net/bugs/1314355

Title:
  Trying to upgrade with do-release-upgrade fails

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

Bug description:
  do-release-upgrade  (on 13.04 to try to upgrade to 13.10) leads to
  following 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

  The 2 first reason do not apply to my situation, so I have deactivated
  backports in sources.list , but the problem remains...

  Don't know what to do to identify what is blocking the upgrade.

  Any suggestion is welcome.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: ubuntu-release-upgrader-core 1:0.192.13
  ProcVersionSignature: Ubuntu 3.8.0-35.50-generic 3.8.13.13
  Uname: Linux 3.8.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.9.2-0ubuntu8.5
  Architecture: amd64
  CrashDB: ubuntu
  Date: Tue Apr 29 20:36:11 2014
  InstallationDate: Installed on 2013-01-31 (453 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to raring on 2014-04-29 (0 days ago)

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