[Bug 1534777] Re: can't upgrade from 14.04 to 15.04

[Brian Murray]

*** This bug is a duplicate of bug 1534374 ***
    https://bugs.launchpad.net/bugs/1534374

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1534374, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** This bug has been marked a duplicate of bug 1534374
   unable to upgrade to 15.04 due to libstdc++6 SRU

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https://bugs.launchpad.net/bugs/1534777

Title:
  can't upgrade from 14.04 to 15.04

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

Bug description:
  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. 

  Would be nice if one could get more output about what's not allowing
  me to upgrade

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-74.118-generic 3.13.11-ckt30
  Uname: Linux 3.13.0-74-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Fri Jan 15 13:32:26 2016
  InstallationDate: Installed on 2014-11-21 (420 days ago)
  InstallationMedia: Xubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140723)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-01-15 (0 days ago)
  mtime.conffile..etc.update.manager.release.upgrades: 2016-01-15T12:47:36.406804

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