Ati 128 kernel 2.4.21-0.25mdk error [drm:r128_freelist_get] *ERROR* returning NULL!

I have instaled the latest kernel from Linux-Mandrake, but still have the problem with de drm/dri module when uses OpenGl library, with terminus hangs pass 3 min, with screensavers hangs, all aplications hangs when use OpenGl library
Can anybody help me??
Alfonso C. Suarez Martinez <>