From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422956AbWBOEwy (ORCPT ); Tue, 14 Feb 2006 23:52:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422957AbWBOEwy (ORCPT ); Tue, 14 Feb 2006 23:52:54 -0500 Received: from mustang.oldcity.dca.net ([216.158.38.3]:64920 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S1422956AbWBOEwx (ORCPT ); Tue, 14 Feb 2006 23:52:53 -0500 Subject: Re: 2.6.15.x - very slow disk-writing From: Lee Revell To: "Nikolay N. Ivanov" Cc: Andrew Morton , LKML In-Reply-To: <43F2D3A3.9030707@nndl.org> References: <43F0F67A.8080001@nndl.org> <20060213200517.20f7a291.akpm@osdl.org> <43F2BEE5.5060002@nndl.org> <20060214193121.752767ee.akpm@osdl.org> <43F2D3A3.9030707@nndl.org> Content-Type: text/plain Date: Tue, 14 Feb 2006 23:52:45 -0500 Message-Id: <1139979166.2733.17.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.5.91 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2006-02-15 at 07:09 +0000, Nikolay N. Ivanov wrote: > Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 > ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx > Probing IDE interface ide0... > hda: SAMSUNG SP0411N, ATA DISK drive > Probing IDE interface ide1... > hdc: ASUS CB-5216A, ATAPI CD/DVD-ROM drive > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 > ide1 at 0x170-0x177,0x376 on irq 15 > /dev/hda: > multcount = 16 (on) > IO_support = 0 (default 16-bit) > unmaskirq = 0 (off) > using_dma = 0 (off) It looks like you are using the generic IDE driver, rather than the one for your chipset, and it is not enabling DMA? Lee