Date: Sun, 12 Apr 1998 23:20:06 -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.3.96.980412231711.26679A-100000@austral> In-Reply-To: <199804130248.LAA01315@kamui.astec.co.jp>
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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 > That's interesting; I think my two devices are 'accel' and 'intr' respectively. (The CD-ROM isn't plugged in right now, so I can't see for certain.) I will try the patch tomorrow, and report back. Thanks for the help! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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