From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 18 Aug 2001 15:15:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 18 Aug 2001 15:15:41 -0400 Received: from astcc-153.astound.net ([24.219.123.215]:45319 "EHLO master.linux-ide.org") by vger.kernel.org with ESMTP id ; Sat, 18 Aug 2001 15:15:25 -0400 Date: Sat, 18 Aug 2001 12:14:26 -0700 (PDT) From: Andre Hedrick To: Frank Neuber cc: linux-kernel@vger.kernel.org Subject: Re: BUGFIX: UDMA-SiS5513 chipset support In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Frank, Not the correct solution, you should not set autodma. This will prevent DMA from being used at INIT; however, you can still attempt it later. This patch is an invalid solution, period. Regards, Andre Hedrick CTO ASL, Inc. Linux ATA Development ----------------------------------------------------------------------------- ASL, Inc. Tel: (510) 857-0055 38875 Cherry Street Fax: (510) 857-0010 Newark, CA 94560 Web: www.aslab.com On Sat, 18 Aug 2001, Frank Neuber wrote: > Hi, > recently I did an upgrade of my old computer (ASUS SP97-V) to > the kernel-2.4.7. > > Problem: > My system was crashing even when I load the module ide-disk.o > Solution: > Because of the broken hardware (some UDMA problems with an non > UDMA-Cabel to the drive) the linux kernel hangs during ide_dma_check. > Even if UDMA is disabeld in the bios, the kernel detect this drive as > an udma drive. And this is wrong!! > My solution was simply to comment out the ide_dma_check in ide.c. > You can find this patch as attachment. > > Frank > > -- > _/_/_/_/ _// _/ Frank Neuber > _/ _/_/ _/ frank.neuber@gmx.de (private) > _/_/_/ _/ _/ _/ > _/ _/ _/_/ neuber@opensource-systemberatung.de > _/ _/ // http://www.opensource-systemberatung.de >