From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261551AbULBE2L (ORCPT ); Wed, 1 Dec 2004 23:28:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261553AbULBE2L (ORCPT ); Wed, 1 Dec 2004 23:28:11 -0500 Received: from mail5.speakeasy.net ([216.254.0.205]:7394 "EHLO mail5.speakeasy.net") by vger.kernel.org with ESMTP id S261551AbULBE2G (ORCPT ); Wed, 1 Dec 2004 23:28:06 -0500 Date: Wed, 1 Dec 2004 22:28:02 -0600 From: John Lash To: Alan Cox Cc: Linux Kernel Mailing List Subject: Re: dma errors with sata_sil and Seagate disk Message-ID: <20041201222802.4545e663@tux> In-Reply-To: <1101944482.30990.74.camel@localhost.localdomain> References: <20041201115045.3ab20e03@homer.sarvega.com> <1101944482.30990.74.camel@localhost.localdomain> X-Mailer: Sylpheed-Claws 0.9.12cvs126 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 01 Dec 2004 23:41:22 +0000 Alan Cox wrote: > On Mer, 2004-12-01 at 17:50, John Lash wrote: > > I don't see any indication that Seagate has released any public firmware > > upgrades for this drive. Anybody have a suggestion? > > Don't mix seagate drives and SI311x hardware is the best suggestion. > Even if you activate the workaround for the problem you take a > performance hit. > > Please send Jeff Garzik a patch for the the change you made of course. > > Thanks Alan, that's pretty clear ;-) Yes, performance hit, big time, 9-10 MB/sec, load average through the roof on a big copy. Pretty much what I was expecting though. I'll look around work and see if there is anybody I can trade with. Odd that those two devices are so wildly incompatible. I'll roll up a patch for the change in the morning. --john