From owner-freebsd-stable Mon Apr 13 05:40:47 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id FAA15474 for freebsd-stable-outgoing; Mon, 13 Apr 1998 05:40:47 -0700 (PDT) (envelope-from owner-freebsd-stable@FreeBSD.ORG) Received: from stcgate.statcan.ca (stcgate.statcan.ca [142.206.192.1]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id MAA15465 for ; Mon, 13 Apr 1998 12:40:44 GMT (envelope-from jeays@statcan.ca) Received: (from root@localhost) by stcgate.statcan.ca (8.6.11/8.6.9) id IAA28825; Mon, 13 Apr 1998 08:44:40 -0400 Received: from stcinet.statcan.ca(142.206.128.146) by stcgate via smap (V1.3) id sma028819; Mon Apr 13 12:44:08 1998 Received: from statcan.ca by statcan.ca (SMI-8.6/SMI-SVR4) id IAA19886; Mon, 13 Apr 1998 08:42:35 -0400 Date: Mon, 13 Apr 1998 08:39:24 -0400 (EDT) From: Mike Jeays X-Sender: jeays@austral To: Satoh Junichi cc: freebsd-stable@FreeBSD.ORG Subject: Re: ATAPI Zip drive In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk On Sun, 12 Apr 1998, Mike Jeays wrote: > > > On Mon, 13 Apr 1998, Satoh Junichi wrote: > > > > > When I attempt to mount either the CD-ROM or the ZIP drive, mount > > > > hangs, and I have to interrupt it with ctrl-C. If I do this > > > > a second time, the system crashes. (X stops. Attempts to > > > > log on through another tty don't work - characters entered after > > > > the login prompt just get echoed to the screen. It is big red > > > > switch time!) > > > > > > Hmm... I don't know why. > > > > I tested some combination of ATAPI devices, CD-ROM, ZIP and LS-120, on > > an IDE channel. I found the kernel is down by combination of the 'accel' > > and the 'intr' devices. For example, MATSUSHITA x24 CD-ROM drive and > > IOMEGA ZIP drive: > > =========================================================================== > > wdc1: unit 0 (atapi): , removable, accel, dma, iordis > > ^^^^^ > > wdc1: unit 1 (atapi): , removable, intr, > > ^^^^ > > =========================================================================== > > > > Now, when one device supports the 'intr', the atapi driver also supports > > it. It's not correct. The driver should *NOT* support it when the other > > device doesn't support it. > > > > I made a patch against the 2.2.6R atapi driver. After apply it, any > > combinations are acceptable. > > --- > > Junichi > > > I installed the patch and recompiled the kernel. Both my CD-ROM and Iomega Zip drive function perfectly on the same controller (CD-ROM as master). I can even copy files from one directly to the other. Thanks once again for the help. I now have a fully functioning system, and can screw the cover back on for the first time in weeks! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message