I was having trouble with the nvaudio module crashing. I've found a magic incantation that works for me. I thought I'd post it here.
Cheers, Shaun apt-get install gcc-3.3 apt-get install kernel-image-2.4.20-3-k7 kernel-headers-2.4.20-3-k7 ln -s /usr/src/kernel-headers-2.4.20-3-k7 \ /lib/modules/2.4.20-3-k7/build cd nforce/nvaudio make CC=gcc-3.3 TARGET_CPU=athlon clean all make install depmod -A