It occurs to me that you could adjust the priority of IRQs (by sudo chrt). With cyclictest running at priority 49, adjust each irq down from 50 to 48 in turn and see if you get your hang. Once you have a specific irq, perhaps that will in turn point toward an actual cause. Jeff -- 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
