The following reply was made to PR kern/34085; it has been noted by GNATS.

From: Quentin Garnier <cube@cubidou.net>
To: gnats-bugs@NetBSD.org
Cc: christianbiere@gmx.de
Subject: Re: kern/34085: "scsibus* at umass?" missing for GENERIC kernel
Date: Wed, 26 Jul 2006 08:39:05 +0200

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 On Tue, Jul 25, 2006 at 11:05:00PM +0000, christianbiere@gmx.de wrote:
 > >Number:         34085
 > >Category:       kern
 > >Synopsis:       "scsibus* at umass?" missing for GENERIC kernel
 > >Confidential:   no
 > >Severity:       non-critical
 > >Priority:       low
 > >Responsible:    kern-bug-people
 > >State:          open
 > >Class:          change-request
 > >Submitter-Id:   net
 > >Arrival-Date:   Tue Jul 25 23:05:00 +0000 2006
 > >Originator:     Christian Biere
 > >Release:        NetBSD 3.99.20
 > >Organization:
 > >Environment:
 > NetBSD cyclonus 3.99.20 NetBSD 3.99.20 (STARSCREAM) #0: Tue Jul 25 20:54:=
 43 CEST 2006  bin@cyclonus:/o/NetBSD/obj/sys/arch/i386/compile/STARSCREAM i=
 386
 > >Description:
 > The following line is missing in the GENERIC kernel for several platforms:
 >=20
 > scsibus* at umass? channel ?
 
 No, it's not missing.
 
 It's not that you can't have it;  you very well can, and the alpha
 config proves it.  My point is that if you have "scsibus* at scsi?", you
 don't need it.
 
 That's the thing:  if "scsibus* at scsi?" appears before the instance
 attaching at umass, the latter will never even be considered by
 autoconf(9) because the two are semantically equivalent for an
 attachment at umass.  So if you have the two lines, you're actually
 wasting the few bytes of a cfdata structure.
 
 > I have an external harddisk (using USB) which requires this configuration.
 > This is documented in scsibus(4) and the GENERIC kernel for e.g., alpha
 > includes it. If there are no reasons to exclude this line, it should be
 > added to the GENERIC kernel for all platforms or at least i386. If
 > kernel size is the reason, it would be nice to have it at least
 > commented out there because it might not be as easy to find the necessary
 > option otherwise.
 
 I'll remove that line where it can only brings confusion, such as the
 alpha configuration file.
 
 I'll probably fix scsibus.4, too, although it's interesting to have a
 list somewhere of the devices that expose the scsi attribute, so it does
 make sense to have it that way.
 
 --=20
 Quentin Garnier - cube@cubidou.net - cube@NetBSD.org
 "When I find the controls, I'll go where I like, I'll know where I want
 to be, but maybe for now I'll stay right here on a silent sea."
 KT Tunstall, Silent Sea, Eye to the Telescope, 2004.
 
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