Hi! Please send me RTFM/anything. I sit here with a clean 2.4.20 source and nbd-2.4.30, Debian Sid, and I cant go nowhere. ejs-022:/usr/src/linux-2.4.20# insmod ../tmp/enbd.o =2E./tmp/enbd.o: unresolved symbol __write_lock_failed =2E./tmp/enbd.o: unresolved symbol __read_lock_failed I think this is an ID10T problem... --=20 Tomka Gergely j=F3 szerencs=E9t