From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261915AbUL0PtM (ORCPT ); Mon, 27 Dec 2004 10:49:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261917AbUL0PtM (ORCPT ); Mon, 27 Dec 2004 10:49:12 -0500 Received: from hermes.domdv.de ([193.102.202.1]:63242 "EHLO hermes.domdv.de") by vger.kernel.org with ESMTP id S261915AbUL0PtC (ORCPT ); Mon, 27 Dec 2004 10:49:02 -0500 Message-ID: <41D02EEC.4090000@domdv.de> Date: Mon, 27 Dec 2004 16:49:00 +0100 From: Andreas Steinmetz User-Agent: Mozilla Thunderbird 1.0 (X11/20041207) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Bartlomiej Zolnierkiewicz CC: Ross Biro , Alan Cox , Linux Kernel Mailing List Subject: Re: Linux 2.6.10-ac1 References: <1104103881.16545.2.camel@localhost.localdomain> <58cb370e04122616577e1bd33@mail.gmail.com> <41CF649E.20409@domdv.de> <58cb370e041226174019e75e23@mail.gmail.com> <8783be660412270645717b89d1@mail.gmail.com> <58cb370e0412270738fbc045c@mail.gmail.com> In-Reply-To: <58cb370e0412270738fbc045c@mail.gmail.com> X-Enigmail-Version: 0.89.5.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Bartlomiej Zolnierkiewicz wrote: > Workaround it if it is possible. If this is really a unfixable hardware problem > (hard to believe - other OS-es would be also bitten by the issue) shouldn't it > be workaround differently anyway by something like "ide=serialize_all" (which > is much saner from IDE POV than "idex=serialize") ? Bad. This would neatly kill my raid 5 setup performance wise. Call this idea a big step sideways. Doing a ide2=serialize leaves all three disks running without serialization unless the dvd-rw is used. Just to make it clear: ide0 -> onboard, 1 master (disk) ide1 -> onboard, 1 master (disk) ide2/3 -> pci, 2 master (disk,dvd-rw) Your idea would serialize all ide accesses which would slow down all disks not affected by the problem requiring serialization. -- Andreas Steinmetz SPAMmers use robotrap@domdv.de