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Re: Nvidia MCP67 SATA controller
On Sun, Jun 22, 2008 at 06:01:14PM +0000, David Holland wrote:
> On Wed, Jun 18, 2008 at 07:30:41PM +0200, Dieter Baron wrote:
> > the Nvidia MCP67 SATA controller does not work using the viaide driver
> > (in native pci compatibility mode), as various users have reported.
> MCP65 should also use this patch (I have one, same behavior), and
> probably all the later nvidia versions as well.
> > This works quite well most of the time, but sometimes the chip seems
> > to get in a strange state after the switch. It then returns bogus
> > data when identifying the drive:
> > wd0 at atabus1 drive 0: <ST506>
> > (or similar, written from memory) instead of
> > wd0 at atabus1 drive 0: <Hitachi HDT725032VLA360>
> > and hangs when trying to read from the disk (still during boot).
> IME, it will also probably probe a ridiculously small drive size. I
> believe this is a known issue with ahcisata.c, not limited to nvidia
> cards, and so it's not something you've triggered.
AFAIK it's a timing issue with some drives. The PHY goes UP after a reset
and reports the drive is ready, while it's not.
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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