Problem with xcompmgr on Radeon card
fcomi at tiscali.it
Tue Oct 5 03:23:54 PDT 2004
Vladimir Dergachev wrote:
> On Tue, 5 Oct 2004, Francesco wrote:
>> I have X.org 6.8.1 with this snapshot driver for radeon:
>> Everything works fine including tv-in and dri with 3d acceleration
>> and I get about 1400 fps with glxgears.
>> The problems start when I run xcompmgr, it works (and glxgears
>> continue to give me high FPS) but X in general is very slow,
>> unusable. I have read of other people in the internet with problems
>> with ati cards and x.org 6.8.1, but here everything works except
>> xcompmgr (same behaviour with metacity patch to enable composition
>> When I launch X I noticed this line:
>> (WW) RADEON(0): Failed to set up write-combining range
>> I think that can be related with my problem.
>> Any hint to solve this?
> Are you by chance running with vesa framebuffer and 2.6.x kernel ?
In fact i'm running VESA framebuffer on kernel 184.108.40.206
I had some problems with Radeon fb and software suspend 2.
> There was some posts that seem to imply that vesa fb sets up mttr for
> visible part of framebuffer only and this can mess up X.org.
> Try using radeon framebuffer driver.
I'm recompiling kernel with radeon fb instead of vesa.
Will post here results.
> Vladimir Dergachev
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