> > The problem occurs in overload situations only. So previously we also got > the message that rt throttling is getting enabled. > > The problem seems to be dependent on the realtime patch because with a > untouched kernel 3.2.16 we cant reproduce it. > To locate the problem, additionally we try to disable switching to > "throttling mode" by uncommenting "rt_rq->rt_throttled = 1;" in sched_rt.c > but it still occurs. > > If the kernel is configured to be tickless the problem occurs less often. > hi, if anyone has a similar problem with 3.2.16-rt27 on a single core ppc: a workaround is to activate the SMP option in the kernel configuration regardless that only one core is available. it would be nice if someone who is familiar with the hrtimer and ppc/timer-irq can catch the problem. regards, Harald ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please visit http://www.symanteccloud.com ______________________________________________________________________ -- 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
