On Mon, 1 Jul 2013, Peter Zijlstra wrote: > OK, so on my westmere it triggers that WARN in task_ctx_sched_out() a > _lot_ (I removed the ONCE for easier debugging earlier -- still kinda > stumped there). > > Then this thing causes an RCU stall and starts triggering NMI watchdog > msgs.. so YAY! :-) I'm glad it's not just me. I'm in the process of kernel bisecting this, though all I can tell you so far is 2.6.32 is unaffected by the bug but 3.2 and later are. Vince -- To unsubscribe from this list: send the line "unsubscribe trinity" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html