[Bug 1516449] Re: cant upgrade from 15.04 to 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/1516449

Title:
  cant upgrade from 15.04 to 15.10

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

Bug description:
  Impossível calcular a atualização de versão

  Ocorreu um problema durante o cálculo da atualização.

  Isto pode ser causado por: 
  * Estar a atualizar para uma versão de pré-lançamento do Ubuntu 
  * Já ter a versão de pré-lançamento do Ubuntu actual 
  * Ter pacotes de software não oficiais, que não são fornecidos pelo 
  Ubuntu 

  Se nada disto se aplica, então por favor, relate este erro usando o 
  comando "ubuntu-bug ubuntu-release-upgrader-core ' no terminal.

  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: 2.17.2-0ubuntu1.7
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sun Nov 15 21:46:37 2015
  InstallationDate: Installed on 2015-02-13 (275 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to vivid on 2015-11-15 (0 days ago)

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