On 06/07/2013 02:34 PM, Mike Galbraith wrote: > Yeah, it didn't repeat before DVD download finally finished (after mere > three _weeks_). The below fired during the same boot as the last hang, > but far earlier fwiw. > > [10288.045302] ------------[ cut here ]------------ > [10288.045330] WARNING: at kernel/workqueue.c:1575 worker_enter_idle+0xea/0x130() This is actually something I'm looking at right now. But I can trigger this only with CPU-hotplug. You don't play with CPU-hotplug, do you? Sebastian -- 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