linux-kernel - Re: [PATCH] libata: add NCQ blacklist entries from Silicon Image Windows driver

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Message-ID: <45DD3EC7.3050801@garzik.org>
Date:	Thu, 22 Feb 2007 01:57:11 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Robert Hancock <hancockr@...w.ca>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org, Andrew Morton <akpm@...l.org>,
	Tejun Heo <htejun@...il.com>
Subject: Re: [PATCH] libata: add NCQ blacklist entries from Silicon Image
 Windows driver

Robert Hancock wrote:
> This patch adds in some NCQ blacklist entries taken from the Silicon
> Image Windows drivers' .inf files for the 3124 and 3132 controllers.
> These entries were marked as ""DisableSataQueueing". Assume these are
> in their blacklist for a reason and disable NCQ on these drives.
> 
> Signed-off-by: Robert Hancock <hancockr@...w.ca>
> 
> --- linux-2.6.21-rc1edit/drivers/ata/libata-core.c.prev    2007-02-21 
> 22:23:05.000000000 -0600
> +++ linux-2.6.21-rc1edit/drivers/ata/libata-core.c    2007-02-21 
> 22:25:44.000000000 -0600
> @@ -3269,6 +3269,13 @@ static const struct ata_blacklist_entry
>     /* Devices with NCQ limits */
> 
> +    /* The following blacklist entries are taken from the Windows
> +       driver .inf files for the Silicon Image 3124 and 3132. */
> +    { "Maxtor 7B250S0",    "BANC1B70",    ATA_HORKAGE_NONCQ, },
> +    { "HTS541060G9SA00",    "MB3OC60D",    ATA_HORKAGE_NONCQ, },
> +    { "HTS541080G9SA00",    "MB4OC60D",    ATA_HORKAGE_NONCQ, },
> +    { "HTS541010G9SA00",    "MBZOC60D",    ATA_HORKAGE_NONCQ, },

Do we have information that these drives fail on non-SiI controllers?

Sometimes the problem can be related to a single family of controllers.

	Jeff



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