From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753236AbXCMMh1 (ORCPT ); Tue, 13 Mar 2007 08:37:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751535AbXCMMh1 (ORCPT ); Tue, 13 Mar 2007 08:37:27 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:52004 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753226AbXCMMh0 (ORCPT ); Tue, 13 Mar 2007 08:37:26 -0400 Date: Tue, 13 Mar 2007 13:40:45 +0000 From: Alan Cox To: l.genoni@oltrelinux.com Cc: htejun@gmail.com, linux-kernel@vger.kernel.org Subject: Re: IDE disk runs just in DMA/33 with 2.6.20.2 on nVidia CK804 controller Message-ID: <20070313134045.1ecc69c9@lxorguk.ukuu.org.uk> In-Reply-To: References: X-Mailer: Claws Mail 2.8.1 (GTK+ 2.10.8; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 13 Mar 2007 13:13:12 +0100 (CET) l.genoni@oltrelinux.com wrote: > Hi, > I reported this also for 2.6.20 kernel. > new libata with controller nVidia CK804 initializes the disk in DMA/33, > with with 2.6.19.5 and previous the disk is correctly inizialized in > DMA/100. > Tha cable is OK, and with older kernels the disks runs without troubles. I have the pieces that fix all this, but not yet integrated into the main tree. With 2.6.21rc3 you have 80 wire cables you may find that simply hacking the driver to set ATA_CBL_PATA80 is sufficient, but maybe not. Alan