[Bug 1520364] Re: cannot upgrade to 15.04

[Brian Murray]

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

** 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/1520364

Title:
  cannot upgrade to 15.04

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

Bug description:
  Could not calculate the upgrade

  An insoluble problem occurred while calculating the upgrade.

   That may be because :
   * To upgrade to a yet- released version of Ubuntu
   * You run a yet- released version of Ubuntu
   * Unofficial software packages not released Ubuntu is installed.

  If none of these apply , please report this error using the command "
  ubuntu - bug ubuntu -release - Upgrader -core " in a terminal .

  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 i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: i386
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Thu Nov 26 22:14:27 2015
  InstallationDate: Installed on 2013-05-15 (925 days ago)
  InstallationMedia: Ubuntu-Studio 12.04.2 "Precise Pangolin" - Release i386 (20130213)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2015-11-26 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update.manager.release.upgrades: 2015-11-26T21:53:07.308568

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