Author: mav
Date: Tue Jun 8 10:03:08 2010
New Revision: 208907
URL: http://svn.freebsd.org/changeset/base/208907
Log:
Disable NCQ and PMP support for VIA VT8251 AHCI. It was reported to be
unreliable under load. Linux does the same.
Modified:
head/sys/dev/ahci/ahci.c
Modified: head/sys/dev/ahci/ahci.c
==============================================================================
--- head/sys/dev/ahci/ahci.c Tue Jun 8 07:49:02 2010 (r208906)
+++ head/sys/dev/ahci/ahci.c Tue Jun 8 10:03:08 2010 (r208907)
@@ -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},
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