[Bug 1518720] Re: Failure to calculate upgrade path 15.04 - 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/1518720

Title:
  Failure to calculate upgrade path 15.04 - 15.10

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

Bug description:
  Other software sources have all been disabled after encountering this
  problem. That change did not resolve the problem unfortunately.
  Hopefully reporting the bug is helpful and will also allow to me
  better see what the error is.

  Regards Rob

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubuntu-release-upgrader-core 1:15.04.14.3
  ProcVersionSignature: Ubuntu 3.19.0-36.41-generic 3.19.8-ckt9
  Uname: Linux 3.19.0-36-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sun Nov 22 13:57:01 2015
  InstallationDate: Installed on 2014-08-19 (459 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to vivid on 2015-11-22 (0 days ago)
  VarLogDistupgradeTermlog:

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