On Thu, 2008-01-17 at 19:17 +0100, Wolfgang Grandegger wrote: > [ 0.733248] TCP bind hash table entries: 2048 (order: 3, 57344 > bytes) > [ 0.741132] TCP: Hash tables configured (established 2048 bind > 2048) > [ 0.747981] TCP reno registered > [ 0.805896] krcupreemptd setsched 0 > [ 0.809657] prio = 98 That's interesting .. You chould try running cyclictest at priority 99 to eliminate other threads that might get involved (using -p99 instead of -p80 , I think) .. Daniel - 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