[Bug 1807323] Re: Unable to update 18.04 to 18.10

[Ubuntu Foundations Team Bug Bot]

** Tags added: bionic2cosmic

** Tags added: third-party-packages

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https://bugs.launchpad.net/bugs/1807323

Title:
  Unable to update 18.04 to 18.10

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

Bug description:
  $ sudo apt do-release-upgrade
  .
  .
  .

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

  Calculating the changes

  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

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.29
  ProcVersionSignature: Ubuntu 4.13.0-22.25-generic 4.13.13
  Uname: Linux 4.13.0-22-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Dec  6 21:08:11 2018
  InstallationDate: Installed on 2016-10-24 (773 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2018-12-07 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2018-12-06T10:28:19.136187

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