This probably does not belong here, but just to let you know:
With latest update of the 686 kernel (2.6.15-26.47), restricted modules (2.6.15.11-4) and proprietary ATI fglrx driver (7.0.0-8.25.18+2.6.15.11-4),
I now have hardware 3D with the 686 kernel. Problem seems to be gone.
This probably does not belong here, but just to let you know:
With latest update of the 686 kernel (2.6.15-26.47), restricted modules (2.6.15.11-4) and proprietary ATI fglrx driver (7.0.0- 8.25.18+ 2.6.15. 11-4),
I now have hardware 3D with the 686 kernel. Problem seems to be gone.