Are spin locks supported under RTLinux? The reason I ask 
is when I use spin_lock_irqsave() in an RT task it produces 
the error "NMI Watchdog detected LOCKUP on CPU1" 

Just wondering if I'm using the function inappropriately 
or if it's just not supported under RTLinux.

Thanks!

---
Brian Rivers
Computer Engineer
Redstone Technical Test Center
(256) 313-8043