netdev - Re: Kernel crash after using new Intel NIC (igb)

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Message-ID: <1303905858.3166.41.camel@edumazet-laptop>
Date:	Wed, 27 Apr 2011 14:04:18 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Maximilian Engelhardt <maxi@...monizer.de>
Cc:	"Wyborny, Carolyn" <carolyn.wyborny@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	StuStaNet Vorstand <vorstand@...sta.mhn.de>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>
Subject: Re: Kernel crash after using new Intel NIC (igb)

Le mercredi 27 avril 2011 à 13:46 +0200, Maximilian Engelhardt a écrit :

> Hello Carolyn,
> 
> Thanks for your response.
> 
> I have opened a issue at
> https://sourceforge.net/tracker/?func=detail&aid=3293703&group_id=42302&atid=447449
> and also posted all information there.
> 
> 
> Please not that yesterday I updated the kernel, so I'm now running 2.6.38.4.
> Eric Dumazet mentioned on the LKML that this might be a memory corruption that 
> my be solved with kernel 2.6.38.
> 

Hmm, I suggested to use slub_nomerge to make sure inetpeer kmemcache is
not shared with another (possibly mem corruptor) layer.

Please note we were not able to track the bug in 2.6.37 kernels.

> I'll report if the crash happens again, but it might take some times as in the 
> past it happened within the interval of weeks to month.
> 

Thanks


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