Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262174AbVBQBAT (ORCPT ); Wed, 16 Feb 2005 20:00:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262067AbVBQBAT (ORCPT ); Wed, 16 Feb 2005 20:00:19 -0500 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:50605 "EHLO parcelfarce.linux.theplanet.co.uk") by vger.kernel.org with ESMTP id S262174AbVBQBAK (ORCPT ); Wed, 16 Feb 2005 20:00:10 -0500 Message-ID: <4213EC86.9020108@pobox.com> Date: Wed, 16 Feb 2005 19:59:50 -0500 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040922 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Witold Krecicki CC: linux-kernel@vger.kernel.org Subject: Re: sil_blacklist - are all those entries necessary? References: <200502151706.04846.adasi@kernel.pl> <421228B7.2060204@pobox.com> <200502152129.11236.adasi@kernel.pl> <200502170143.00817.adasi@kernel.pl> In-Reply-To: <200502170143.00817.adasi@kernel.pl> Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2169 Lines: 53 Witold Krecicki wrote: > Dnia wtorek 15 luty 2005 21:29, napisa?e?: > >>Dnia wtorek 15 luty 2005 17:52, napisa?e?: >> >>>Witold Krecicki wrote: >>> >>>>in sata_sil.c there is: >>>>sil_blacklist [] = { >>>> { "ST320012AS", SIL_QUIRK_MOD15WRITE }, >>>> { "ST330013AS", SIL_QUIRK_MOD15WRITE }, >>>> { "ST340017AS", SIL_QUIRK_MOD15WRITE }, >>>> { "ST360015AS", SIL_QUIRK_MOD15WRITE }, >>>> { "ST380023AS", SIL_QUIRK_MOD15WRITE }, >>>> { "ST3120023AS", SIL_QUIRK_MOD15WRITE }, >>>> { "ST3160023AS", SIL_QUIRK_MOD15WRITE }, >>>> { "ST3120026AS", SIL_QUIRK_MOD15WRITE }, >>>> { "ST340014ASL", SIL_QUIRK_MOD15WRITE }, >>>> { "ST360014ASL", SIL_QUIRK_MOD15WRITE }, >>>> { "ST380011ASL", SIL_QUIRK_MOD15WRITE }, >>>> { "ST3120022ASL", SIL_QUIRK_MOD15WRITE }, >>>> { "ST3160021ASL", SIL_QUIRK_MOD15WRITE }, >>>> { "Maxtor 4D060H3", SIL_QUIRK_UDMA5MAX }, >>>> { } >>>>}; >>>>I've got ST3120026AS and I've been using it with SIL3112 without this >>>>hack for a long time - without any negative effects. The same >>>>impression on ST3200822AS - is there any way to check if it is REALLY >>>>necessary? 15MB/s is not what I'd expect on SATA... >>> >>>It's necessary until we can prove otherwise. Simply running well >>>without your drive in the blacklist means nothing -- you just haven't >>>hit the error condition yet. >> >>So how can I proove it? Are there any tests? It's been running for over a >>year, almost 24/7 and nothing... > > Still no response - so again: > is there ANY way to test if this hack is necessary for specific model of a > disk? You need a bus analyzer, and need to test different sizes of FIS's. If all possible sizes (2048 combinations) work on your device, the blacklist entry is not needed. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/