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From: Terry Lambert <terry@lambert.org>
Message-Id: <199610161849.LAA03445@phaeton.artisoft.com>
Subject: Re: scsi drives left locked by shutdown
To: julian@whistle.com (Julian Elischer)
Date: Wed, 16 Oct 1996 11:49:21 -0700 (MST)
Cc: bde@zeta.org.au, current@FreeBSD.org
In-Reply-To: <326526E2.167EB0E7@whistle.com> from "Julian Elischer" at Oct 16, 96 11:18:10 am
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> > I use a zip drive for "/" and swap on a test machine.  Shutdown doesn't
> > close the swap device, so scsi_prevent() isn't called to unlock the drive,
> > so a hard reset is required to eject disks.
> 
> maybe a use for the at_shutdown() call?
> At one stage in the Berkeley BSD 4.4 course there was discussion
> of adding "shutdown" entries to cdevsw entries..

I second the motion of adding "detach" routines... it's very necessary
for rundown on pluggable hardware (which, by definition, is also
unpluggable).  The driver needs to be able to "rundown" at any time.


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.