Subject: Re: pciide cd-r trouble
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: David Brownlee <abs@netbsd.org>
List: current-users
Date: 10/08/2000 23:06:08
	Maybe if someone had a CD-R which exhibits the problem they
	would be willing to ship to Manuel? :)

                David/absolute
			       -- www.netbsd.org: A pmap for every occasion --


On Sun, 8 Oct 2000, Manuel Bouyer wrote:

> On Sun, Oct 08, 2000 at 11:54:15AM +0100, Steve Woodford wrote:
> > It's my opinion that the GENERIC and INSTALL kernels should disable DMA
> > for all atapi cd(4) devices. I've had sufficient grief with misbehaving
> > CD-{ROM,RW} drives that I do this routinely here.
> > 
> > A flags value of 0x0ff0 should be sufficient to make just about every
> > atapi cd drive on the planet work "Out the Box".
> 
> Hum, all but one CD drive I have here can do DMA properly. And for the one
> failing to do it, the driver downgrades to PIO properly.
> It would be better to improve the downgrade code if needed.
> 
> --
> Manuel Bouyer <bouyer@antioche.eu.org>
> --
>