linux-kernel - Re: [PATCH] libata: add NCQ blacklist entries from Silicon Image Windows driver (v2)

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Date:	Wed, 04 Apr 2007 02:09:59 -0400
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Robert Hancock <hancockr@...w.ca>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org, Adrian Bunk <bunk@...sta.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] libata: add NCQ blacklist entries from Silicon Image
 Windows driver (v2)

Robert Hancock wrote:
> This adds some NCQ blacklist entries taken from the Silicon Image 3124/3132
> Windows driver .inf files. There are some confirming reports of problems
> with these drives under Linux (for example 
> http://lkml.org/lkml/2007/3/4/178)
> so let's disable NCQ on these drives.
> 
> Signed-off-by: Robert Hancock <hancockr@...w.ca>
> 
> --- linux-2.6.21-rc5-git9/drivers/ata/libata-core.c    2007-04-02 
> 21:03:29.000000000 -0600
> +++ linux-2.6.21-rc5-git9edit/drivers/ata/libata-core.c    2007-04-02 
> 21:26:23.000000000 -0600
> @@ -3363,6 +3363,11 @@ static const struct ata_blacklist_entry     { 
> "Maxtor 6L250S0",     "BANC1G10",     ATA_HORKAGE_NONCQ },
>     /* NCQ hard hangs device under heavier load, needs hard power cycle */
>     { "Maxtor 6B250S0",    "BANC1B70",    ATA_HORKAGE_NONCQ },
> +    /* Blacklist entries taken from Silicon Image 3124/3132
> +       Windows driver .inf file - also several Linux problem reports */
> +    { "HTS541060G9SA00",    "MB3OC60D",     ATA_HORKAGE_NONCQ, },
> +    { "HTS541080G9SA00",    "MB4OC60D",     ATA_HORKAGE_NONCQ, },
> +    { "HTS541010G9SA00",    "MBZOC60D",     ATA_HORKAGE_NONCQ, },

The thread you link to seems like an irq problem, especially because it 
worked in 2.6.20 and prior?

	Jeff



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