[Bug 1534374] Re: unable to upgrade to 15.04 due to libstdc++6 SRU

[Brian Murray]

I've set Vivid to unsupported in the meta-release file now and one can
now upgrade to wily using 'do-release-upgrade -p'. The -p is necessary
to use the release upgrader tarball from -proposed, which is being
copied to -updates as I write this. Subsequently, you shouldn't need the
-p switch for long.

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https://bugs.launchpad.net/bugs/1534374

Title:
  unable to upgrade to 15.04 due to libstdc++6 SRU

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

Bug description:
  initially had a problem with X when i installed a new Nvidia video
  card.  got that working but only one monitor was functioning (other is
  displayport).  Thought maybe upgrading to a new release might fix the
  problem.  Software update only offered 15.04, so I said ok and tried
  to upgrade.  It crashed with the info attached.  rebooted just in
  case, but still get the same problem

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.16.0-57.77~14.04.1-generic 3.16.7-ckt20
  Uname: Linux 3.16.0-57-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  Date: Thu Jan 14 18:38:01 2016
  InstallationDate: Installed on 2015-03-14 (306 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-01-14 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update.manager.release.upgrades: 2016-01-14T18:29:51.136835

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