Subject: Re: UltraDMA performance.
To: Wolfgang Rupprecht <wolfgang@wsrcc.com>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: port-i386
Date: 01/08/2001 18:35:07
On Fri, Jan 05, 2001 at 09:41:16AM -0800, Wolfgang Rupprecht wrote:
> 
> Manuel Bouyer writes:
> > Does something else share interrupt with the promise ?
> 
> Yes, my tlp1 interface and promise both have irq 10.   The Tulip is on
> the second channel of a quad-10/100 Dlink card.

Ok. This looks like a timing problem: the interrupt bit should be set in
2 registers at the same time (promise and IDEDMA), maybe one is set before
another.

I should try to get the docs for the promise Ultra/100; for now
we suppose it works the same way as the Ultra/66.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
--