[Bug 1386780] [NEW] Unable to upgrade 14.04 to 14.10

[Jon Randy]

Public bug reported:

I've tried the upgrade from the console and from the GUI - same result:

An unresolvable problem occurred while calculating the upgrade.

 This can be caused by:
 * Upgrading to a pre-release version of Ubuntu
 * Running the current pre-release version of Ubuntu
 * Unofficial software packages not provided by Ubuntu

If none of this applies, then please report this bug using the command
'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.5
ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
Uname: Linux 3.13.0-37-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: i386
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Tue Oct 28 23:16:16 2014
InstallationDate: Installed on 2013-04-17 (559 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2014-10-28 (0 days ago)
VarLogDistupgradeTermlog:
 
mtime.conffile..etc.update.manager.release.upgrades: 2014-10-27T19:31:00.468948

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


** Tags: apport-bug dist-upgrade i386 trusty

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https://bugs.launchpad.net/bugs/1386780

Title:
  Unable to upgrade 14.04 to 14.10

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

Bug description:
  I've tried the upgrade from the console and from the GUI - same
  result:

  An unresolvable problem occurred while calculating the upgrade.

   This can be caused by:
   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version of Ubuntu
   * Unofficial software packages not provided by Ubuntu

  If none of this applies, then please report this bug using the command
  'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.5
  ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
  Uname: Linux 3.13.0-37-generic i686
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: i386
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Tue Oct 28 23:16:16 2014
  InstallationDate: Installed on 2013-04-17 (559 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2014-10-28 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update.manager.release.upgrades: 2014-10-27T19:31:00.468948

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