Date: Mon, 13 Apr 1998 08:39:24 -0400 (EDT) From: Mike Jeays <jeays@statcan.ca> To: Satoh Junichi <junichi@astec.co.jp> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: ATAPI Zip drive Message-ID: <Pine.SOL.3.96.980413083435.3726A-100000@austral> In-Reply-To: <Pine.SOL.3.96.980412231711.26679A-100000@austral>
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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): <MATSHITA CR-587/7S13>, removable, accel, dma, iordis > > ^^^^^ > > wdc1: unit 1 (atapi): <IOMEGA ZIP 100 ATAPI/23.D>, 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
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