[Bug 1255028] Re: An unresolvable problem occurred while calculating the upgrade.

[Brian Murray]

This is because you have installed keyboard-configuration version 1.88
which is not included with Ubuntu 13.04 (the release which you are
trying to upgrade from).  You'll need to revert to the official version
of that package for the upgrade to proceed, although if you've installed
other packages not from the official archive you may encounter other
problems.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1255028

Title:
  An unresolvable problem occurred while calculating the upgrade.

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

Bug description:
  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 
  meetlinux at meetlinux-System-Product-Name:~$ ubuntu-bug ubuntu-release-upgrader-core

  (process:27392): GLib-CRITICAL **: g_slice_set_config: assertion
  `sys_page_size == 0' failed

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: ubuntu-release-upgrader-core 1:0.192.13
  ProcVersionSignature: Ubuntu 3.8.0-33.48-generic 3.8.13.11
  Uname: Linux 3.8.0-33-generic i686
  ApportVersion: 2.9.2-0ubuntu8.5
  Architecture: i386
  CrashDB: ubuntu
  Date: Tue Nov 26 15:22:25 2013
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to raring on 2013-11-26 (0 days ago)

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