From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 10 Nov 2002 15:16:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 10 Nov 2002 15:16:23 -0500 Received: from twilight.ucw.cz ([195.39.74.230]:44747 "EHLO twilight.ucw.cz") by vger.kernel.org with ESMTP id ; Sun, 10 Nov 2002 15:16:22 -0500 Date: Sun, 10 Nov 2002 21:23:04 +0100 From: Vojtech Pavlik To: Thor Kristoffersen Cc: linux-kernel@vger.kernel.org Subject: Re: Problem with VT8235 + DMA patch + PlexWriter W2410 Message-ID: <20021110212304.A15619@ucw.cz> References: <200211101934.gAAJYZt09539@triumph.nr.no> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200211101934.gAAJYZt09539@triumph.nr.no>; from Thor.Kristoffersen@nr.no on Sun, Nov 10, 2002 at 08:34:35PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Nov 10, 2002 at 08:34:35PM +0100, Thor Kristoffersen wrote: > I have tried, without success, to get a PlexWriter PX-W2410A (IDE/ATAPI CD > burner) to work with an MSI KT3 Ultra2 (KT333/VT8235) and Vojtech Pavlik's > DMA patch. Any attempt to access the CD burner produces lots of messages > like these: > > hdc: status error: status=0x58 { DriveReady SeekComplete DataRequest } > hdc: drive not ready for command > hdc: status error: status=0x58 { DriveReady SeekComplete DataRequest } > hdc: drive not ready for command > hdc: status error: status=0x59 { DriveReady SeekComplete DataRequest Error } > hdc: status error: error=0x54 > hdc: drive not ready for command > > The problem seems to be largely independent of the kernel version. I have > tried 2.4.19, 2.4.20-preXX, and 2.5.46, with the same results. > > Simply turning off DMA for the CD burner does not make it work: the > problem persists as long as the patch is present. On the other hand, a > different CD burner (Sony CRX-140E) works just fine with the same > mainboard, with the patch present. Does the drive work without the patch? If yes, please send me 'hdparm -i /edv/hdc', 'lspci -vvxxx' for both the cases with and without the patch, and 'cat /proc/ide/via' for the case with the patch. I'll check if all the timings programmed really are correct. Maybe we have a candidate for drive PIO timing black list. (check: no overclocking takes place on your machine, right?) -- Vojtech Pavlik SuSE Labs