[Bug 1069133] Re: Get upgrade error 12.04 - 12.10 "Could not determine upgrade" - xorg from ppa

[Yann Lossouarn]

@tasgo : I just followed the procedure explained at askubuntu, without
success : the upgrade still fails with the same error message... :/

@michael-ransbottom : I suspected that, but even after adding the xorg-edgers PPA like this :
'
'
sudo add-apt-repository ppa:xorg-edgers/ppa 
sudo apt-get update
sudo apt-get install <package name>
'
'
... when trying to install the 'xorg-server' package, I still get messages like "Impossible to find the packet xorg-server". 

HOWEVER I decided to remove the libkms1 packet, and then after
reactivating the xorg-edgers repository, the ppa-purge seems to run
ok... I will take you informed if I succeed in upgrading 13.10 to 14.04
after that... :)

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https://bugs.launchpad.net/bugs/1069133

Title:
  Get upgrade error 12.04 - 12.10 "Could not determine upgrade" - xorg
  from ppa

Status in “ubuntu-release-upgrader” package in Ubuntu:
  In Progress

Bug description:
  TEST CASE:
  1. Install a minimal Saucy amd64 (lxc container or VM)
  2. Install software-properties-common if it is not already installed and enable xorg-edgers PPA:
    $ sudo add-apt-repository ppa:xorg-edgers/ppa
  3. Install the task ubuntu-desktop
    $ sudo apt-get install ubuntu-desktop^
  4. Upgrade:
    $ sudo do-release-upgrade -d

  ACTUAL RESULT:
  Upgrade fails because it refuses to break the ABI of xorg.

  == Original Description ==
  Gets to the upgrade stage Setting new Software channels and the error window comes up on the Calculating the Changes part. Have got all security updates for 12.04 on and restarted but it still comes up. Using the proper software channels.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubuntu-release-upgrader-core (not installed)
  ProcVersionSignature: Ubuntu 3.5.0-17.26-generic 3.5.5
  Uname: Linux 3.5.0-17-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu14
  Architecture: amd64
  Date: Sat Oct 20 17:16:19 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to precise on 2012-10-20 (0 days ago)

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