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Date:      Wed, 1 Feb 2012 21:08:36 +0000 (UTC)
From:      Marius Strobl <marius@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
Subject:   svn commit: r230881 - stable/8/sys/dev/ata/chipsets
Message-ID:  <201202012108.q11L8aoF004742@svn.freebsd.org>

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Author: marius
Date: Wed Feb  1 21:08:35 2012
New Revision: 230881
URL: http://svn.freebsd.org/changeset/base/230881

Log:
  MFC: r230627
  
  Using ATA_CAM along with ATAPI DMA causes data corruption with ALI_NEW
  and CMD controllers for reasons unknown so disable it.
  
  PR:	164226

Modified:
  stable/8/sys/dev/ata/chipsets/ata-acerlabs.c
  stable/8/sys/dev/ata/chipsets/ata-siliconimage.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (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/e1000/   (props changed)

Modified: stable/8/sys/dev/ata/chipsets/ata-acerlabs.c
==============================================================================
--- stable/8/sys/dev/ata/chipsets/ata-acerlabs.c	Wed Feb  1 21:08:33 2012	(r230880)
+++ stable/8/sys/dev/ata/chipsets/ata-acerlabs.c	Wed Feb  1 21:08:35 2012	(r230881)
@@ -213,6 +213,10 @@ ata_ali_ch_attach(device_t dev)
 	if (ch->dma.max_iosize > 256 * 512)
 		ch->dma.max_iosize = 256 * 512;
     }
+#ifdef ATA_CAM
+	if (ctlr->chip->cfg2 & ALI_NEW)
+		ch->flags |= ATA_NO_ATAPI_DMA;
+#endif
 
     return 0;
 }

Modified: stable/8/sys/dev/ata/chipsets/ata-siliconimage.c
==============================================================================
--- stable/8/sys/dev/ata/chipsets/ata-siliconimage.c	Wed Feb  1 21:08:33 2012	(r230880)
+++ stable/8/sys/dev/ata/chipsets/ata-siliconimage.c	Wed Feb  1 21:08:35 2012	(r230881)
@@ -240,6 +240,10 @@ ata_cmd_ch_attach(device_t dev)
     if (ctlr->chip->cfg2 & SII_INTR)
 	ch->hw.status = ata_cmd_status;
 
+#ifdef ATA_CAM
+	ch->flags |= ATA_NO_ATAPI_DMA;
+#endif
+
     return 0;
 }
 



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