From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brice Goglin Subject: Re: DCA/IOAT problem Date: Mon, 26 Jan 2009 21:24:01 +0100 Message-ID: <497E1BE1.4020301@inria.fr> References: <497DF609.9000600@chelsio.com> <497E13B8.9040803@itcare.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Linux Network Development list To: =?UTF-8?B?UGF3ZcWCIFN0YXN6ZXdza2k=?= Return-path: Received: from iona.labri.fr ([147.210.8.143]:41826 "EHLO iona.labri.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751470AbZAZUpj (ORCPT ); Mon, 26 Jan 2009 15:45:39 -0500 In-Reply-To: <497E13B8.9040803@itcare.pl> Sender: netdev-owner@vger.kernel.org List-ID: Pawe=C5=82 Staszewski wrote: > ioatdma 0000:00:08.0: DCA is disabled in BIOS > > Why DCA is not working (or workink but no info about in ioat) See above in dmesg: It's disabled in BIOS. If the BIOS doesn't have an option to enable DCA, you need to talk to your vendor. Or you can try changing registers on the chipset manually... Brice