All I had to do was remove certain repositories. Worked fine on 3 computers
with differing configs.
On 24 Oct 2014 06:11, "Bruno A. Regno" <email address hidden> wrote:

> Thank you Steven. I was a bit more drastic. After purging the ppa didn't
> work I purged the whole graphic environment from the X-server on up.
> Then I did a CLI dist-upgrade and finally re-installed all the purged
> packages back. I had to re-install the Nvidia driver back and after that
> everything worked. The funny thing is that this happened only in one
> machine of eight with supposedly identical configuration.
>
>
> Sent from Samsung Mobile
>
> -------- Original message --------
> From: Steven McCullagh <email address hidden>
> Date:
> To: <email address hidden>
> Subject: [Bug 1069133] Re: Get upgrade error 12.04 - 12.10 "Could not
>   determine upgrade" - xorg from ppa
>
> If running ppa-purge xorg-edgers doesn't work, try the following:
>
> sudo apt-get remove xserver-xorg-video-all
>
> This will then allow you to upgrade from Ubuntu 13.10 to 14.04.
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1313080).
> 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)
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1069133/+subscriptions
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1310737).
> 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)
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1069133/+subscriptions
>