On Sat, Feb 04, 2006 at 01:01:21PM +1100, James Haggerty wrote:
> > OK, so DMA is probably used, but the controller or the drive can't
> > run fast.
> > Could you run the test program with a large number, and check the
> > system and interrupt CPU usage with top or systat vm ?
> >
> > Anyway I'm going to commit the patch, as at last it prevents the panic.
> >
> 
> Using systat vm, Sy hovers around 1.0 to 1.4%; In goes from 0.0 to 0.4%.

OK, so DMA is working. I guess either the drive or the controller isn't
very good ...

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--