Re: PATCH: Hitachi disk quirk

From: Michael Tokarev
Date: Tue Dec 04 2007 - 06:48:39 EST


Lukas Hejtmanek wrote:
> Hello,
>
> the following patch should be applied into 2.6.24-rc3 as the mentioned Hitachi
> disk has also problem with NCQ.

Which problems, exactly?

Note that recent massive "NCQ horkage" isn't necessary due to drives fault.
Search for "spurious completions during NCQ" for recent discussions
(many of them).

> --- a/drivers/ata/libata-core.c 2007-12-04 11:08:20.000000000 +0100
> +++ b/drivers/ata/libata-core.c 2007-12-04 11:09:23.000000000 +0100
> { "Hitachi HTS541616J9SA00", "SB4OC70P", ATA_HORKAGE_NONCQ, },
> + { "HITACHI HTS541616J9SA00", "SB4IC7UP", ATA_HORKAGE_NONCQ, },
> { "Hitachi HTS542525K9SA00", "BBFOC31P", ATA_HORKAGE_NONCQ, },

/mjt
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