Date: Wed, 21 Oct 1998 10:46:02 -0600 (MDT) From: "Kenneth D. Merry" <ken@plutotech.com> To: dwhite@resnet.uoregon.edu (Doug White) Cc: jeff@mountin.net, freebsd-current@FreeBSD.ORG Subject: Re: 3.0 missing some docs? Message-ID: <199810211646.KAA10038@panzer.plutotech.com> In-Reply-To: <Pine.BSF.4.03.9810210932390.12705-100000@resnet.uoregon.edu> from Doug White at "Oct 21, 98 09:34:58 am"
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Doug White wrote...
> On Wed, 21 Oct 1998, Jeffrey J. Mountin wrote:
>
> > Hmmm....
> >
> > This may be minor, but I noticed some empty directories in /usr/share/doc
> >
> > tutorials/upgrade:
>
> Hm, looks like they were supposed to be there but didn't make it. Jordan?
>
> > FWIW, trying to find more info on CAM, for example what is the pass0 for,
> > LINT doesn't say much, makes me wonder if it it's need or not in the kernel.
>
> pass0 is required, it's the passhrough device for scsi devices. I think
> post-RELEASE -current has #warn stupid-checks.
Actually, it isn't required. It's highly recommended, but optional. Some
folks might want to disable it for security reasons.
I put warning messages in the transport layer so that when people go
looking for a passthrough device, but don't have it in their kernel, they
get hit on the head. I got tired of people asking me why camcontrol,
cdrecord, or whatever didn't work. (don't worry, if you've asked me about
that, you're in very good company...)
If you're looking for documentation on the passthrough driver, RTFM. ("man
pass")
Ken
--
Kenneth Merry
ken@plutotech.com
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