From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: RE: Low performance Intel 10GE NIC (3.2.10) on 2.6.38 Kernel
Date: Thu, 07 Apr 2011 15:41:18 +0200
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Cc: netdev <netdev@vger.kernel.org>,
	Alexander Duyck <alexander.h.duyck@intel.com>,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>
To: Wei Gu <wei.gu@ericsson.com>
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Le jeudi 07 avril 2011 =C3=A0 13:46 +0200, Eric Dumazet a =C3=A9crit :
> OK, please send your .config file
>=20
>=20

I suspect you have

CONFIG_DMAR=3Dy