From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933083AbYD3Tzz (ORCPT ); Wed, 30 Apr 2008 15:55:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758772AbYD3Tzq (ORCPT ); Wed, 30 Apr 2008 15:55:46 -0400 Received: from py-out-1112.google.com ([64.233.166.179]:32982 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756884AbYD3Tzp (ORCPT ); Wed, 30 Apr 2008 15:55:45 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:organization:to:subject:date:user-agent:cc:references:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:message-id; b=ijbLv+UqpvLWMqAEHdsFPcQnmI6wzRSpgdKbxssvx0mYsXWaRB3cw7kpTwA2lmKBDIFtjBMK6Ax9Sz7bFLg/Cv5q0x4yl1CIzKxmFlOhokUruVAl4FtFFUCw5lHz0XVpBKjtTENo5QOZvqt3vyk1KCa/zodfU+bb4qbH0lDhA5Y= From: Balaji Rao Organization: National Institute of Technology Karnataka To: Bartlomiej Zolnierkiewicz Subject: Re: IDE probe failure in 2.6.25-mm1 Date: Thu, 1 May 2008 01:25:35 +0530 User-Agent: KMail/1.9.9 Cc: Andrew Morton , linux-kernel@vger.kernel.org References: <200804302343.14949.balajirrao@gmail.com> <20080430112028.ae20df4a.akpm@linux-foundation.org> <200804302130.44894.bzolnier@gmail.com> In-Reply-To: <200804302130.44894.bzolnier@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200805010125.36065.balajirrao@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 01 May 2008 01:00:44 am Bartlomiej Zolnierkiewicz wrote: > On Wednesday 30 April 2008, Andrew Morton wrote: > > On Wed, 30 Apr 2008 23:43:14 +0530 > > Balaji Rao wrote: > > > > > Hi Andrew, > > > > > > IDE probe fails in 2.6.25-mm1 on qemu. > > > > > > [ 0.664164] Uniform Multi-Platform E-IDE driver > > > [ 1.571508] ide0: DISABLED, NO IRQ > > > [ 1.572380] ide0: failed to initialize IDE interface > > > > > > This is the output with linux-2.6.git > > > > > > [ 1.567368] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 > > > [ 1.571430] hda: max request size: 512KiB > > > [ 1.574302] hda: 10485760 sectors (5368 MB) w/256KiB Cache, CHS=10402/255/63 > > > [ 1.583896] hda: cache flushes supported > > > [ 1.585053] hda: hda1 > > > > > > This is apparently due to the invasive changes in hwif_t's io_ports member. > > > > > > > OK, thanks. > > > > I _think_ Bart idenfitied a patch which caused this (or something like it) > > and dropped it? > > Yep. > > Two patches were dropped from IDE tree: > > ide-fix-hwif-s-initialization.patch > ide-make-ide_hwifs-static.patch > > there is also a hot-fix patch available: > > http://article.gmane.org/gmane.linux.ide/30860 > > + for qemu switching to using piix host driver (qemu emulates PIIX3) should > also workaround the issue since it seems to happen only with ide_generic. Hi Bart, Yea, it now works in qemu after enabling the PIIX drivers. Thank you. -- Warm Regards, Balaji Rao Dept. of Mechanical Engineering NITK