[Bug 1132016] Re: ubuntu-release-upgrader-core could not calculate the upgrade

[saber]

i have the same problem with upgrading to 13.10 release, it says that it's impossible to do the calculation for upgrade.
The message that i've in terminal is in french i don't know if that will be useful or not but this is what i've got :


"32.1 M o téléchargés en 6s (0  o/s)                                            

Vérification du gestionnaire de paquets
Lecture des listes de paquets… Terminé          
Construction de l'arbre des dépendances            
Lecture des informations d'état… Terminé       
Construction des structures de données… Terminé

Calcul des modifications en cours

Calcul des modifications en cours

Impossible d'évaluer la mise à niveau

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 

Si rien de tout cela ne s'applique, veuillez signaler ce bogue en 
utilisant la commande 'ubuntu-bug ubuntu-release-upgrader-core' dans 
un terminal. 


Restauration du système dans son état d'origine

Annulation
Lecture des listes de paquets… Terminé          
Construction de l'arbre des dépendances            
Lecture des informations d'état… Terminé       
Construction des structures de données… Terminé"


I have also attached the main.log file from /var/log/dist-upgrade

Hope read you forward.
Thanks

** Attachment added: "main.log"
   https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1132016/+attachment/3885548/+files/main.log

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https://bugs.launchpad.net/bugs/1132016

Title:
  ubuntu-release-upgrader-core could not calculate the upgrade

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

Bug description:
  When updating from Kubuntu 12.04 to 12.10, got the message -
  "
  Could not calculate the upgrade
  An unresolvable problem occurred while calculating the 
  upgrade: The package 'kubuntu-desktop' is marked for 
  removal but it is on the removal blacklist. This can be 
  caused by: * Upgrading to a prelease version of Ubuntu 
  * Running the current pre-release version of Ubuntu * 
  Unofficial software packages not provided by Ubuntu If 
  non of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a 
  terminal.
  "

  I know that neither
  * Upgrading to a prelease version of Ubuntu 
  * Running the current pre-release version of Ubuntu 
  apply, but I don't know about 
  * Unofficial software packages not provided by Ubuntu
  as I do have some non-Ubuntu/Canonical supplied software installed.  I've not had this problem with any previous version upgrade, and the only thing I've installed since the 12.04 version upgrade was possibly either Chrome or Chromium.

  graeme at dust-puppy:~$ lsb_release -rd
  Description:    Ubuntu 12.04 LTS
  Release:        12.04
  graeme at dust-puppy:~$ apt-cache policy ubuntu-release-upgrader-core
  ubuntu-release-upgrader-core:
    Installed: (none)
    Candidate: 1:0.190.1
    Version table:
       1:0.190.1 0
          500 http://archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
  graeme at dust-puppy:~$ apt-cache policy kubuntu-desktop
  kubuntu-desktop:
    Installed: 1.254
    Candidate: 1.254
    Version table:
   *** 1.254 0
          100 /var/lib/dpkg/status
  graeme at dust-puppy:~$

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