/afs/andrew.cmu.edu/usr/shadow/darwin-libafs.o install 1.3.80 and replace /var/db/openafs/etc/afs.kext/Contents/MacOS/afs with /afs/andrew.cmu.edu/usr/shadow/darwin-libafs.o, chown root:wheel, and chmod 644. i have little doubt it has bugs. crash it and send me your panic logs.