linux-kernel - Re: omap: panda rcu stall on 3.10.1

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Message-ID: <522AC66A.1000605@gmail.com>
Date:	Sat, 07 Sep 2013 08:23:38 +0200
From:	Christian Hoffmann <chrmhoffmann@...il.com>
To:	jean-philippe francois <jp.francois@...ove.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	paulmck@...ux.vnet.ibm.com
Subject: Re: omap: panda rcu stall on 3.10.1

On 08/30/2013 10:10 AM, jean-philippe francois wrote:
> 2013/8/30 Christian Hoffmann <chrmhoffmann@...il.com>:
>>
>>> This also went to: linaro-kernel@...ts.linaro.org
>>
>> Hi,
>>
>> current linaro kernel on 13.07 (3.10.1.0-1-linaro-omap) shows stack below.
>> System is generally quite unstable. Light usage (postfix+dovecot...)
>>
>> Full dmesg here:
>> https://dl.dropboxusercontent.com/u/21820416/rcu.stall.panda
>>
> Hi,
>
> Does it happen when run with nohlt in the kernel command line ?

Hi,

the panda is much more stable (up now for 2 or three days) with nohlt. 
No sign of stack traces or RCU stalls.

Thank you.
Chris
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