Linux Restricted modules 2.6.20-2 are incompatable with X4100 Mobility.

Bug #76338 reported by raid517
4
Affects Status Importance Assigned to Milestone
linux-restricted-modules-2.6.20 (Ubuntu)
New
Undecided
Unassigned

Bug Description

Binary package hint: linux-restricted-modules-2.6.20-2-generic

Hi I am writing to report that the FGLRX ATI drivers included in the linux-restricted modules package are incompatible with Radeon mobility (laptop) chipsets. This isn't just restricted to the 2.6.20-2 restricted modules - it is also true of all restricted-modules packages to date.

From my own experience the generic drivers for the ATI X series of cards (as in X1500, X1600, X1700 etc) which are applicable to desktop systems, are *not* the same as those for the equivalent ATI mobility series of cards which are intended for laptop use - and are rarely if ever interchangeable. Installing the linux restricted modules package on a laptop appears to cause the generic desktop fglrx modules to be installed - which as I said, simply does not work.

Previously to overcome this I simply used this script from Kanotix.com: http://www.kanotix.com/files/install-fglrx-debian.sh which pretty much took care of all of the most difficult issues - often also patching for incompatibilities with existing kernel versions. This script has always been excellent for this - and in many senses I would highly recommended it.

However this script is also incompatible with the latest FGLRX drivers and the 2.6.20-2 kernel - and now Kanotix itself as a project looks like it may be in the process of an implosion - so it is not at all clear if this script will be maintained any more. (It was however effective right up until the latest 2.6.19 Kubuntu kernel release).

There should almost certainly be a dialog that allows you to select the appropriate driver type for one's system (i.e.desktop or laptop) and also perhaps a modified/updated version of this script could be run to ensure atomatic configuration of the appropriate driver parameters.

I would very much like to be able to maintain my system directly through the Ubuntu repositories rather than being required to always seem the assistance or advice of third parties.

Tags: fawn feisty
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