Then, hell, set the DEBUG options in this lock-driver, maybe you'll get some informative stuff
on DMA channels, IRQs, etc BLA, BLA before your machine locks. Remove the two slashes "//"
//#DEFINE DEBUG ----> #DEFINE DEBUG
//#DEFINE DEBUG_INTERRUPS ,etc,....
I've a source tar.gz version nforce 0241, so check this out in your version.
The source file in my package is named "i810_audio-rh72.c" (redhat?...Ohh)
Somewhere in log-files, etc,.. you should have at least also some warnings