As i said, the new drivers didnt work for me while using 2.6.16.

I'm now using gentoo-sources 2.6.15-r1 (vanilla 2.6.16-r2 before) and i can load fglrx again. And with the new ati-driver 8.22.5 X-server doesn't freeze while shutting down or using 3D-acceleration.

I cant load my fglrx modul. agpgart is compiled as module and loads without a problem (agpgart and sis_agp). dmesg gives me:
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected SiS 648 chipset
agpgart: AGP aperture is 128M @ 0xd0000000
fglrx: module license 'Proprietary. (C) 2002 - ATI ...