From owner-freebsd-scsi Mon Nov 18 13:24:46 1996 Return-Path: owner-freebsd-scsi Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id NAA12551 for freebsd-scsi-outgoing; Mon, 18 Nov 1996 13:24:46 -0800 (PST) Received: from phaeton.artisoft.com (phaeton.Artisoft.COM [198.17.250.211]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id NAA12538 for ; Mon, 18 Nov 1996 13:24:42 -0800 (PST) Received: (from terry@localhost) by phaeton.artisoft.com (8.6.11/8.6.9) id OAA07633; Mon, 18 Nov 1996 14:07:49 -0700 From: Terry Lambert Message-Id: <199611182107.OAA07633@phaeton.artisoft.com> Subject: Re: aic0 (/dev/rst0) problem To: kuku@gilberto.physik.rwth-aachen.de (Christoph Kukulies) Date: Mon, 18 Nov 1996 14:07:49 -0700 (MST) Cc: freebsd-hackers@freefall.freebsd.org, freebsd-scsi@freebsd.org In-Reply-To: <199611181334.OAA20811@gilberto.physik.rwth-aachen.de> from "Christoph Kukulies" at Nov 18, 96 02:34:12 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-scsi@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > # tar cvf /dev/rst0 / > ^C^Cst0: not ready (after a while) > > Is there anything special to that HP DAT drive? Blocksize which the driver > cannot cope with? Compression on/off? I believe the driver is working in > polled modes, at least not DMA driven. The board doesn't have busmaster > DMA logic and the motherboard DMA doesn't seem (yet) implemented in the > driver. Unless you set a dipswitch, it won't work with "audio DAT Tapes"; HP is the first drive that whines about them. 8-(. I also believe the default block size is 0 for autorecognition; there was a big discussion on this about 8 months ago. Look at the "mt" command man page for setting the block size. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.