[Bug 1520917] Re: Cannot upgrade to Vivid using do-release-upgrade

[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/1520917

Title:
  Cannot upgrade to Vivid using do-release-upgrade

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

Bug description:
  Hi,

  I tried to upgrade a friend's system and I get (sorry, his system is
  in French):

  sudo do-release-upgrade
  ...
  ...
  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

  Un problème insoluble est survenu lors de la préparation de la mise à 
  niveau. 

  Ceci peut-être dû à : 
  * la mise à niveau vers une version de développement d'Ubuntu ; 
  * la version de développement d'Ubuntu est actuellement utilisée ; 
  * des paquets logiciels non officiels, non fournis par 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 tried reading the help to see if I there is a verbose mode but there
  is none. I did 'ubuntu-bug ubuntu-release-upgrader-core' as suggested
  and it brought me here.

  lsb_release -rd
  Description:	Ubuntu 14.04.3 LTS
  Release:	14.04

  
  Thanks,
  Gabriel

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-70.113-generic 3.13.11-ckt29
  Uname: Linux 3.13.0-70-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  Date: Sun Nov 29 13:38:16 2015
  InstallationDate: Installed on 2011-05-16 (1657 days ago)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2015-11-29 (0 days ago)
  mtime.conffile..etc.update.manager.release.upgrades: 2015-11-29T12:19:31.658211

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