From owner-freebsd-questions Thu Dec 21 6:24:50 2000 From owner-freebsd-questions@FreeBSD.ORG Thu Dec 21 06:24:46 2000 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from aslan.scsiguy.com (aslan.scsiguy.com [63.229.232.106]) by hub.freebsd.org (Postfix) with ESMTP id F17D537B402; Thu, 21 Dec 2000 06:24:44 -0800 (PST) Received: from scsiguy.com (localhost [127.0.0.1]) by aslan.scsiguy.com (8.11.0/8.9.3) with ESMTP id eBLEOdF41963; Thu, 21 Dec 2000 07:24:40 -0700 (MST) (envelope-from gibbs@scsiguy.com) Message-Id: <200012211424.eBLEOdF41963@aslan.scsiguy.com> X-Mailer: exmh version 2.2 06/23/2000 with nmh-1.0.4 To: James Cronin Cc: freebsd-scsi@FreeBSD.ORG, freebsd-questions@FreeBSD.ORG, fred@condo.chico.ca.us, drek@bigstudios.com, Don.Lewis@tsc.tdk.com, nicks@albury.net.au Subject: Re: seagate drive firmware bugs In-Reply-To: Your message of "Thu, 21 Dec 2000 13:27:22 GMT." <20001221132722.J52246@plum.flirble.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 21 Dec 2000 07:24:39 -0700 From: "Justin T. Gibbs" Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG >Hi, > >I note in 20000921234343.A37161@absinthe.condo.chico.ca.us that >a bug has been identified in certain seagate drives in relation to >tagged queueing and write-thru caching that results in errors like: > >Dec 15 02:27:06 plum /kernel: (da0:ahc0:0:0:0): READ(10). CDB: 28 0 0 9a 22 23 > 0 >+0 2 0 >Dec 15 02:27:06 plum /kernel: (da0:ahc0:0:0:0): NOT READY asc:4,3 >Dec 15 02:27:06 plum /kernel: (da0:ahc0:0:0:0): Logical unit not ready, manual >+intervention required field replaceable unit: 5 >Dec 15 02:27:06 plum /kernel: (da0:ahc0:0:0:0): Invalidating pack > >I've disabled tagged queueing on the affected drive: My recollection was that the drive would simply fall off the bus to never return without a power cycle. It's interesting that the drive actually returns sense telling you it's dead. >but have been unable to disable write-thru cacheing (there's no option >that I can find to do that in the SCSI bios on my Adaptec aic7895 >Ultra SCSI adapter). Use "camcontrol modepage -e -m 8 -P 3" on the device and change WCE to 0. >How do I find out the firmware version on my drives? Nothing that looks like >a firmware version gets displayed in dmesg: > >da0 at ahc0 bus 0 target 0 lun 0 >da0: Fixed Direct Access SCSI-2 device Vendor Model Revision -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message