Date: Tue, 8 Jun 2010 10:03:08 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r208907 - head/sys/dev/ahci Message-ID: <201006081003.o58A38Ge063252@svn.freebsd.org>
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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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