On 04/08/2015 12:52 AM, Carsten Emde wrote: > Hi Sebastian, Hi Carsten, > an Intel Bay Trail board (Intel(R) Celeron(R) CPU J1900 @ 1.99GHz) at > the OSADL QA Farm rack #b/slot #6 (https://www.osadl.org/?id=1894) stops > working every 12 to 36 hours. The only way to get the board back to work > is to power cycle it. Such crashes did not happen with any of the > previously tested 3.12-rt kernels. About eight crashes have been > observed so far - the kernel message obtained at the serial console (see > below) was similar in all cases. This backtrace looks familiar I think. I think the problem is that hrtimer_cancel() is called from hrtimer_interrupt() and deadlocks. Is there anything special you do here except runnin FULL_NOHZ? > > Thanks, > Carsten. 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