Ultra5 ATA issues

Doug White dwhite at gumbysoft.com
Fri Nov 14 08:34:01 PST 2003

Move to -current and drop wilko.

On Fri, 14 Nov 2003, Dag-Erling [iso-8859-1] Smørgrav wrote:

> Jesper Skriver <jesper at FreeBSD.org> writes:
> > On Fri, Nov 14, 2003 at 09:32:46AM +0100, Dag-Erling Smørgrav wrote:
> > > Doug White <dwhite at gumbysoft.com> writes:
> > > > Good! Maybe you can fix -current on them :)
> > > Uh?  -CURRENT runs just fine on my U5.
> > Do you use the default ATA controller and drive ?
> On-board ATA controller, but a different drive (the original was only
> two or three gig or so).  Works fine in PIO4 if you disable DMA at
> boot.  ISTR 5.1-RELEASE tried to use DMA, failed, and fell back to
> PIO4, while atang hangs when DMA fails, so I've disabled it in
> loader.conf.  I believe this has been discussed on the -sparc64 list;
> see the archives for details.

I replaced the default seagate with a Maxtor, but I don't have to demote
to PIO on 5.1-REL.  I'll try disabling DMA on it today.  i'm also trying
to iterate ata-lowlevel.c to see if I can find a specific break point.  45
minute kernel compiles don't help. :(

Doug White                    |  FreeBSD: The Power to Serve
dwhite at gumbysoft.com          |  www.FreeBSD.org

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