I have used RT preemption to ensure that WiMAX radio PHY and MAC drivers can be appropriately prioritized to avoid hardware I/O overun and underrun conditions. Like some have mentioned, trying to maintain this essential stability simultaneous with high throughput (especially high bandwidth stream of really small packets) can still be a challenge. Regards, Darcy -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html