From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: Re: (fwd) Re: Bug#289770: kernel-image-2.6.10-1-686: 2.6.10 fails to set up DMA on my IBM thinkpad Date: Wed, 12 Jan 2005 14:50:18 +0100 Message-ID: <58cb370e050112055071ee9b08@mail.gmail.com> References: <20050111195345.GI2618@stro.at> <20050112120245.GA24839@kantaka.co.uk> <200501121352.33520.bzolnier@elka.pw.edu.pl> <20050112133524.GA27287@kantaka.co.uk> <41E52A38.9060108@sgi.com> Reply-To: Bartlomiej Zolnierkiewicz Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from wproxy.gmail.com ([64.233.184.200]:29492 "EHLO wproxy.gmail.com") by vger.kernel.org with ESMTP id S261180AbVALNuX (ORCPT ); Wed, 12 Jan 2005 08:50:23 -0500 Received: by wproxy.gmail.com with SMTP id 67so332982wri for ; Wed, 12 Jan 2005 05:50:18 -0800 (PST) In-Reply-To: <41E52A38.9060108@sgi.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Prarit Bhargava Cc: Philip Armstrong , maximilian attems , linux-ide@vger.kernel.org, 289770@bugs.debian.org On Wed, 12 Jan 2005 08:46:32 -0500, Prarit Bhargava wrote: > Philip and Bartlomiej, > > I've been tracking an almost identical problem on my IA64 platform with > a bk pull that is about a month old. > > I tracked it down to a duplicate vector request of 0x38 = 56 by the > mmtimer -- take a look at /proc/interrupts, /proc/ioports, /proc/iomem > and see if anything has requested the specific area that your CD is > trying to get. > > My output looked like: > > SGIIOC4: IDE controller at PCI slot 0000:01:01.0, revision 79 > ide0: BM-DMA at 0xc00001080c200140-0xc00001080c200163 > Probing IDE interface ide0... > hda: MATSHITADVD-ROM SR-8588, ATAPI CD/DVD-ROM drive > ide0: Disabled unable to get IRQ 56. > Probing IDE interface ide0... > hda: MATSHITADVD-ROM SR-8588, ATAPI CD/DVD-ROM drive > hda: IRQ probe failed (0x4ffffffe) > Probing IDE interface ide1... > ide1: Wait for ready failed before probe ! > Probing IDE interface ide2... > ide2: Wait for ready failed before probe ! > Probing IDE interface ide3... > ide3: Wait for ready failed before probe ! > Probing IDE interface ide4... > ide4: Wait for ready failed before probe ! > Probing IDE interface ide5... > ide5: Wait for ready failed before probe ! > ide0: DISABLED, NO IRQ > > Bartlomiej, just a thought: > > I think that the output of the failures of the probes for non-existant > interfaces ide1-ide5 could be suppressed, no? yes > What would you think if we only output the "failed before probe" > messages for interfaces that return -EBUSY from wait_hwif_ready? It > would make the system boot a lot "prettier":) care to make a patch?