From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Carsten Emde <C.Emde@osadl.org>
Cc: Linux RT Users <linux-rt-users@vger.kernel.org>
Subject: Re: [OSADL QA 3.18.9-rt5 #1]
Date: Thu, 09 Apr 2015 14:37:19 +0200 [thread overview]
Message-ID: <5526727F.1060703@linutronix.de> (raw)
In-Reply-To: <55245FC8.9090509@osadl.org>
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
next prev parent reply other threads:[~2015-04-09 12:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-07 22:52 [OSADL QA 3.18.9-rt5 #1] Carsten Emde
2015-04-09 12:37 ` Sebastian Andrzej Siewior [this message]
2015-04-09 16:53 ` Sebastian Andrzej Siewior
2015-04-10 12:36 ` Sebastian Andrzej Siewior
2015-04-11 1:35 ` Carsten Emde
2015-04-20 21:22 ` [RESOLVED OSADL " Carsten Emde
2015-05-12 0:15 ` [OSADL " Steven Rostedt
2015-05-13 8:12 ` Sebastian Andrzej Siewior
2015-05-13 15:23 ` Steven Rostedt
2015-05-13 16:34 ` Steven Rostedt
2015-06-11 15:27 ` Sebastian Andrzej Siewior
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