From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from systemhalted (CPE00207807b093-CM.cpe.net.cable.rogers.com [24.112.180.230]) by dsl2.external.hp.com (Postfix) with ESMTP id A0D93482D for ; Tue, 11 Feb 2003 10:52:11 -0700 (MST) Date: Tue, 11 Feb 2003 12:52:03 -0500 From: Carlos O'Donell To: John David Anglin Cc: Bad Max , parisc-linux@lists.parisc-linux.org Subject: Re: [parisc-linux] Re: Tag Starvation on 715/100 Message-ID: <20030211175203.GA28989@systemhalted> References: <200302111731.h1BHV1at017679@hiauly1.hia.nrc.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <200302111731.h1BHV1at017679@hiauly1.hia.nrc.ca> Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: > I believe the problem is the driver is using too many tags on an old > drive. You want to cut the number or disable tagged queing in the > driver for this drive. Grant would know the details but early Seagates > had buggy support for this feature. I turn it off on my cluster of 715/50's because the drives of that era just don't support it properly (e.g. random hardware lockups). c.