From owner-freebsd-stable Wed Dec 13 10:17:42 2000 From owner-freebsd-stable@FreeBSD.ORG Wed Dec 13 10:17:39 2000 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from bach.Graphics.Cornell.EDU (bach.graphics.cornell.edu [128.84.247.50]) by hub.freebsd.org (Postfix) with ESMTP id DA0B737B400 for ; Wed, 13 Dec 2000 10:17:38 -0800 (PST) Received: from graphics.cornell.edu (barn.graphics.cornell.edu [128.84.247.210]) by bach.Graphics.Cornell.EDU (8.9.1/8.9.1) with ESMTP id NAA03524 for ; Wed, 13 Dec 2000 13:17:34 -0500 (EST) (envelope-from hurf@graphics.cornell.edu) Message-ID: <3A37BC7E.319FE29D@graphics.cornell.edu> Date: Wed, 13 Dec 2000 13:14:22 -0500 From: Hurf Sheldon Organization: Program of Computer Graphics, Cornell University X-Mailer: Mozilla 4.75 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: freebsd-stable@freebsd.org Subject: 4.2 stable SCSI errors Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi Folks, We are getting "Queuing a BDR SCB" errors and then related problems trying to access a DLT tape library via `amlabel` or `chio` (which `amlabel` uses). It seems to be related to wait-states as acessing the first 6 slots never causes an error - slots 7+ do - the library seems to take longer to seat the cartridges as it homes each time before shopping for a cartridge. The drive works fine on an HPUX system. We've gone into the SCSI card and reset the tranfer rate to 10mb/s. I looked for some notes re: this and the only reference I found was re: dual CPU interrpts; we are using a dual PII system. As I write this a single cpu kernal is being built that we will try. Should we try a single cpu motherboard system or? System description: System 4.2 stable (cvsup 12/10/00) Dual 266mhz PII, PB2-D ASUS MB, Adaptec 3940 card Overland 4000 DLT tape library thanks, hurf -- Hurf Sheldon, Dir. Research Systems email: hurf@graphics.cornell.edu Program of Computer Graphics voice:607 255 6713 fax:607 255 0806 580 Rhodes Hall, Cornell University http://www.graphics.cornell.edu/~hurf/ Ithaca, N.Y. 14853 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message