This on is SOLVED!
It was due to SuSE's CKRM_CPU_SCHEDULE scheduler.
Back to Linux's 'normal' one solve it.
quake3-smp ~198 fps 2. high ~193 fps HIGH
640x480 window on 1280x1024x24/32.
1024x768 window give ~100 fps, again.
This is interesting, though. The use of a different scheduler should probably not have such a huge impact on performance (if no other cpu or io-heavy processes are running).
Are you using pageflip? If no the r200CopyBuffer calls sched_yield() which potentially could cause such a difference. But if you're using pageflip I'm not sure why there would be such a drastic difference.
Roland
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