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Date:      Mon, 30 Sep 2002 20:39:39 -0400
From:      Chuck McCrobie <mccrobie@cablespeed.com>
Cc:        scsi@FreeBSD.org
Subject:   Re: Current problem reports assigned to you
Message-ID:  <3D98EECB.8ED06AD7@cablespeed.com>
References:  <Pine.BSF.4.21.0209301307540.83020-100000@root.org>

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Nate Lawson wrote:
> 
> I'll revisit the quirks stuff this week and commit them if everything is
> kosher.  I'm afraid we're stuck with quirks for now when the devices truly
> do not support 6 byte CDBs.
> 
> -Nate
> 
[problem reports snipped]

I guess I've missed most of the discussion about the 6 byte CDBs.  Why
not issue 10 byte CDB first, then fall back to 6-byte if that fails
(ILLEGAL COMMAND, etc.) instead of trying 6-byte CDB first, then falling
back to 10-byte?

Are there any devices which hang on 10-byte CDB's but work with 6-byte
CDBs?  Surely most devices are SCSI-1 and should at least recognize that
a 10-byte CDB is illegal?

Chuck McCrobie
mccrobie@cablespeed.com

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