[LAU] Using linux-rt with Ati Mobility X700

Peter Finnegan peter.c.finnegan at comcast.net
Sat Dec 13 13:22:03 EST 2008

On Sat, 2008-12-13 at 17:59 +0100, Matthias Schönborn wrote:
> I hadn't got the time to do some music on my ubuntu machine the last few
> months, but yesterday I wanted to boot the rt-kernel on my machine. To
> my surprise, I only got a resolution of 800x600. I used to have the
> proprietary driver from ati.com installed; Though this one doesn't work
> on the Linux-rt kernel (no 3D acceleration), I used to get the desired
> resolution of 1400x1050. To regain this resolution, I tried several
> xorf.conf files, using "ati", "fglrx" and "vesa" as driver, but none
> worked. (In the process of doing so, I somehow even managed to screw up
> my Internet configuration on the main kernel (d'oh), so I'm actually
> writing this on 800x600... ) So my question is: Is there actually
> someone on this list, who is able to boot Linux-rt on his ubuntu
> machine, using an ati x700 mobility? I'd really appreciate any
> suggestions, more so working xorg.conf files and verified driver
> numbers.
> Greetings from Euskirchen
> Matthias

I have found that fglrx + RT = great frustration.  I Have a mobility
x1400 on my thinkpad.  However I have gotten it to work.

1.  Have you tried using the packaging from the envy project?  I tried
ubuntu for a little while when Hardy came out and at that time the envy
packages had gotten the driver to work with the ubuntu rt kernel.
http://www.albertomilone.com/envyngfaq.html#A  Apparently, it is in the
Universe repo now.  

2.  I am currently using opensuse 11 with jenglh's kernel and I have
been building the driver from ati.com.  I found that there were some
modifications the studio 64 forms that got the kernel module to build
right.  http://64studio.com/node/150 (see sydb's post dated 12-23-2007)
They involve extracting the driver and then changing the license line on
a couple of files, and then building a package.  I also have realized
that this does not give me the right to gripe if it hoses my
kernel/system on a realtime kernel.  So far, I have had reasonable
success with this configuration.   

I am looking forward the the work on the ati and radeonhd driver so I
don't have to mess with fglrx anymore.  

Best wishes

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