Hello Sebastian, After adding of your patch "disable preemption during CR3 read+write" we have since 2 weeks no rt throttling event. This is very good improvement. Thanks a lot, Jens -- 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