[Bug 1519685] Re: can't upgrade to kubuntu 15.10

[Brian Murray]

*** This bug is a duplicate of bug 996916 ***
    https://bugs.launchpad.net/bugs/996916

** This bug has been marked a duplicate of bug 996916
   postgresql packages in the removal blacklist making it hard to upgrade

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https://bugs.launchpad.net/bugs/1519685

Title:
  can't upgrade to kubuntu 15.10

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

Bug description:
  When I write `sudo do-release-upgrade` at the end of log trace I
  obtain this:

  ===========
  ...
  ...
  ...
  Conexión http://ad.archive.ubuntu.com wily-backports/restricted Translation-en                                                                                                                       
  Conexión http://ad.archive.ubuntu.com wily-backports/universe Translation-en                                                                                                                         
  Obtenidos 0 B en 6s (27,7 MB/s)                                                                                                                                                                      

  Comprobando el gestor de paquetes
  Leyendo lista de paquetes... Finalizado       
  Creando árbol de dependencias                  
  Leyendo la información de estado... Finalizado
  Generando estructuras de datos... Finalizado  

  Calculando los cambios

  Calculando los cambios

  No se ha podido calcular la actualización

  Ha ocurrido un problema mientras se calculaba la actualización.

  Eso se ha podido causar por: 
  * Actualizar a una versión de Ubuntu aún no publicada 
  * Estar ejecutando la versión actual, aún no publicada, de Ubuntu 
  * Paquetes no oficiales de software no proporcionados por Ubuntu 

  Si nada de esto aplica, informe de este error usando la orden 
  «ubuntu-bug ubuntu-release-upgrader-core» en una terminal.

  ============

  I don't have more information.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubuntu-release-upgrader-core 1:15.04.14.3
  ProcVersionSignature: Ubuntu 3.19.0-33.38-generic 3.19.8-ckt7
  Uname: Linux 3.19.0-33-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Wed Nov 25 09:03:33 2015
  InstallationDate: Installed on 2014-05-26 (547 days ago)
  InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to vivid on 2015-11-25 (0 days ago)

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