svn commit: r211458 - stable/8/sys/dev/ahci

[Alexander Motin]

Author: mav
Date: Wed Aug 18 15:52:38 2010
New Revision: 211458
URL: http://svn.freebsd.org/changeset/base/211458

Log:
  MFC r208907:
  Disable NCQ and PMP support for VIA VT8251 AHCI. It was reported to be
  unreliable under load. Linux does the same.

Modified:
  stable/8/sys/dev/ahci/ahci.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cam/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/dev/ahci/ahci.c
==============================================================================
--- stable/8/sys/dev/ahci/ahci.c	Wed Aug 18 15:51:32 2010	(r211457)
+++ stable/8/sys/dev/ahci/ahci.c	Wed Aug 18 15:52:38 2010	(r211458)
@@ -239,8 +239,8 @@ static struct {
 	{0x0d8d10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
 	{0x0d8e10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
 	{0x0d8f10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
-	{0x33491106, 0x00, "VIA VT8251",	0},
-	{0x62871106, 0x00, "VIA VT8251",	0},
+	{0x33491106, 0x00, "VIA VT8251",	AHCI_Q_NOPMP|AHCI_Q_NONCQ},
+	{0x62871106, 0x00, "VIA VT8251",	AHCI_Q_NOPMP|AHCI_Q_NONCQ},
 	{0x11841039, 0x00, "SiS 966",		0},
 	{0x11851039, 0x00, "SiS 968",		0},
 	{0x01861039, 0x00, "SiS 968",		0},