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From: Wilko Bulte <wilko@yedi.iaf.nl>
Message-Id: <199702112258.XAA02978@yedi.iaf.nl>
Subject: Re: Problem with 3701B CD-ROM
To: se@freebsd.org (Stefan Esser)
Date: Tue, 11 Feb 1997 23:58:41 +0100 (MET)
Cc: joerg_wunsch@uriah.heep.sax.de, robsch@robkaos.ruhr.de,
        freebsd-scsi@freebsd.org
In-Reply-To: <19970211202335.YC36261@x14.mi.uni-koeln.de> from "Stefan Esser" at Feb 11, 97 08:23:35 pm
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As Stefan Esser wrote...
> On Feb 11, j@uriah.heep.sax.de (J Wunsch) wrote:
> > As Robert Schien wrote:
> > 
> > > /kernel: cd0 at scbus0 target 2 lun 0: COMMAND FAILED (9 0) @f20ba800.
> > > /kernel: cd0 at scbus0 target 2 lun 0: extraneous data discarded.
> > > 
> > > The errors disappear when the kernel option FAILSAFE is set.
> > 
> > That would mean they don't grok tagged queuing.
> 
> Like just about any CDROM drive on the market today :)

Which is logical since TCQ only makes sense in devices that
are not slow like molasses by design ;-)

> I've never had a single problem with my Toshiba 3601,
> and I think the error is caused by some application
> sending an invalid request.

All Toshiba's I have also work fine with every FreeBSD rev
I threw at them. E.g.
(ncr0:4:0): "TOSHIBA CD-ROM XM-5301TA 0925" type 5 removable SCSI 2

Wilko
_     ____________________________________________________________________
 |   / o / /  _  Bulte  email: wilko@yedi.iaf.nl - Arnhem, The Netherlands
 |/|/ / / /( (_) 	Do, or do not. There is no 'try' - Yoda
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