[Bug 1400373] Re: cannot calculate upgrade 14.04 to 14.10

[Brian Murray]

*** This bug is a duplicate of bug 1384946 ***
    https://bugs.launchpad.net/bugs/1384946

** This bug has been marked a duplicate of bug 1384946
   Trying to upgrade to utopic, cannot compute changes due to gnuplot

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https://bugs.launchpad.net/bugs/1400373

Title:
  cannot calculate upgrade 14.04 to 14.10

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

Bug description:
  It gets through the point of Calculating Change and then fails for no
  reason:

  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  Building data structures... Done 

  Calculating the changes

  Could not calculate the upgrade

  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. 

  
  Restoring original system state

  Aborting
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  Building data structures... Done

  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: 2.14.1-0ubuntu3.6
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Mon Dec  8 10:50:36 2014
  InstallationDate: Installed on 2014-02-14 (296 days ago)
  InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140204)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2014-12-08 (0 days ago)
  mtime.conffile..etc.update.manager.release.upgrades: 2014-12-03T15:18:02.371267

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