linux-kernel - Re: deadlock in ipv6?

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Message-ID: <535E56E3.6070004@linaro.org>
Date:	Mon, 28 Apr 2014 21:25:55 +0800
From:	Alex Shi <alex.shi@...aro.org>
To:	John Stultz <john.stultz@...aro.org>,
	"naresh.kamboju@...aro.org Kamboju" <naresh.kamboju@...aro.org>,
	davem@...emloft.net, netdev@...r.kernel.org,
	Mark Brown <broonie@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: deadlock in ipv6?

On 04/25/2014 03:33 PM, Hannes Frederic Sowa wrote:
> On Fri, Apr 25, 2014 at 03:05:52PM +0800, Alex Shi wrote:
>> [   18.624755]        CPU0
>>
>> [   18.627349]        ----
>>
>> [   18.629943]   lock(&addrconf_stats->syncp.seq);
>>
>> [   18.634735]   <Interrupt>
>>
>> [   18.637512]     lock(&addrconf_stats->syncp.seq);
>>
> 
> Stable kernel should already carry a fix for this, 43a43b6040165f7
> ("ipv6: some ipv6 statistic counters failed to disable bh"). Could you give it
> a try?
> 

It seems a right fix. Thanks a lot for notification!

> Bye,
> 
>   Hannes
> 


-- 
Thanks
    Alex
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