[clug] Radeon 9200 and Xorg suckage

Tim Potter tpot at samba.org
Tue Apr 4 22:47:23 GMT 2006

On Tue, Apr 04, 2006 at 09:04:30AM -0700, Michael Still wrote:

> I just picked up a Radeon 9200 PCI card for my MythTV machine, and I am 
> using Xorg with Drapper Drake (Ubuntu). I've tried both the ati driver 
> (which loads the radeon driver), and the radeon driver, and they both 
> consume about 80% of the CPU while the machine is playing back video.
> This is a reasonably grunty machine, and I'd really like the CPU back. 
> Have other people seen problems like this? I can't find any 
> documentation that suggests that the ATI binary drivers will fix it, but 
> I am tempted to give it a go. Does anyone know if the binary drivers 
> work better at video playback?

Just FYI, I am getting about 10% CPU usage for playback on a Athlon 3000+ 
with a NVidia 6600, so 80% CPU sounds like something is badly wrong.
This is using the xv video extension.

I haven't been able to get the xvmc driver going so there is supposed to
be more gains possible.


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