Subject: Re: SCSI _is_ still broken on VS3100
To: maximum entropy <entropy@zippy.bernstein.com>
From: Ignatios Souvatzis <ignatios@cs.uni-bonn.de>
List: port-vax
Date: 01/14/1999 21:18:06
On Thu, Jan 14, 1999 at 11:58:49AM -0500, maximum entropy wrote:
> >Date: Wed, 13 Jan 1999 01:48:46 -0500 (EST)
> >From: maximum entropy <entropy@zippy.bernstein.com>
> >[...] 
> >+	ncr_sc->sc_no_disconnect = 0xff;
> >[...]
> 
> I got some independent confirmation that this works.
> 
> The problem isn't with the VS3100 hardware.  It's the drive --
> rz23 drives are SCSI-1 so we need to inhibit disconnect/reselect.
> 
> Of course the patch I sent is worthless as it stands.  Performance is
> bad enough without inhibiting disconnection for all devices.  Does
> anyone have ideas about how we can set the bits for SCSI-1 devices
> only?

Put their identification into the quirk table. If there isn't support for
disconnection inhibit, add it.

sys/dev/scsipi/something.. Dont ask me, I haven't looked there since scsi
and atapi was nified.


	-is