From owner-freebsd-scsi@FreeBSD.ORG Sun Jul 27 20:07:23 2003 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D0C4A37B401 for ; Sun, 27 Jul 2003 20:07:23 -0700 (PDT) Received: from rootlabs.com (root.org [67.118.192.226]) by mx1.FreeBSD.org (Postfix) with SMTP id 1E95A43FAF for ; Sun, 27 Jul 2003 20:07:23 -0700 (PDT) (envelope-from nate@rootlabs.com) Received: (qmail 51516 invoked by uid 1000); 28 Jul 2003 03:07:25 -0000 Date: Sun, 27 Jul 2003 20:07:25 -0700 (PDT) From: Nate Lawson To: Don Bowman In-Reply-To: Message-ID: <20030727200617.K51476@root.org> References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: "'freebsd-scsi@freebsd.org'" Subject: RE: AIC7902 w/ seagate U320 drive issue on releng-4 (and current) X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Jul 2003 03:07:24 -0000 On Sun, 27 Jul 2003, Don Bowman wrote: > FYI, i've solved this problem for me by moving to > firmware version 5 on the ST318453LW (U320 15KRPM 18GB) > seagate drive. > > If you are seeing the problem I mentioned with U320 > seagate drive and AIC7902 controller I highly recommend > contacting seagate and requesting the latest rom. > Sadly the actual changes are 'proprietary' so I cannot > be sure this was the root cause of the problem. I'm > guessing there is an issue with large # of tags outstanding, > but its only a hunch. For you and anyone else who experiences "SCB timed out errors", upgrading drive firmware usually fixes this problem. Also, you can limit the number of tags in use by "camcontrol tags". -Nate