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Re: Nvidia MCP67 SATA controller
On Wed, Jun 18, 2008 at 08:23:04PM +0200, Dieter Baron wrote:
> > This is almost a duplicate of ahci_reset(), which is the first thing done
> > in ahci_attach(). I think you don't need this function at all,
> > just set the AHCI_GHC_AE bit in the force_ahci case, and let ahci_attach()
> > to the reset.
> I tried that first, but then it never worked the first time after
> power on. I had to do a reset when the first boot hung, then the
> second boot would succeed.
It's probably the same issue that cause your drive to not be probed
properly some times. It's most probably timing-related and I guess it works
with your patch only because of the 1s delay it adds.
Could you see if the attached patch would help ?
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
RCS file: /cvsroot/src/sys/dev/ic/ahcisata_core.c,v
retrieving revision 1.16
diff -u -p -u -r1.16 ahcisata_core.c
--- ahcisata_core.c 7 Jun 2008 12:56:57 -0000 1.16
+++ ahcisata_core.c 18 Jun 2008 18:49:22 -0000
@@ -606,8 +606,8 @@ ahci_probe_drive(struct ata_channel *chp
/* and start operations */
- /* wait 100ms before actually starting operations */
- tsleep(&sc, PRIBIO, "ahciprb", mstohz(100));
+ /* wait 500ms before actually starting operations */
+ tsleep(&sc, PRIBIO, "ahciprb", mstohz(500));
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