[Bug 1397063] [NEW] upgrade to 14.10 fails at "Could not calculate the upgrade "

[Pankaj]

Public bug reported:

I have no ppa. sources.list looks normal without any ppa.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.5
ProcVersionSignature: Ubuntu 3.13.0-40.69-generic 3.13.11.10
Uname: Linux 3.13.0-40-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Thu Nov 27 22:52:44 2014
InstallationDate: Installed on 2014-04-20 (221 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2014-11-27 (0 days ago)
mtime.conffile..etc.update.manager.release.upgrades: 2014-10-04T09:58:14.779678

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade trusty

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https://bugs.launchpad.net/bugs/1397063

Title:
  upgrade to 14.10 fails at "Could not calculate the upgrade "

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

Bug description:
  I have no ppa. sources.list looks normal without any ppa.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.5
  ProcVersionSignature: Ubuntu 3.13.0-40.69-generic 3.13.11.10
  Uname: Linux 3.13.0-40-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Thu Nov 27 22:52:44 2014
  InstallationDate: Installed on 2014-04-20 (221 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2014-11-27 (0 days ago)
  mtime.conffile..etc.update.manager.release.upgrades: 2014-10-04T09:58:14.779678

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