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SubjectRe: [PATCH] blacklist NCQ on Seagate Barracuda ST380817AS
Paolo Ornati wrote:
> On Sun, 30 Sep 2007 11:05:17 -0400
> Jeff Garzik <jeff@garzik.org> wrote:
>
>>> I have this problem only with XFS, and even with XFS it goes away
>>> mounting with "nobarrier"...
>> This last is an interesting datapoint.
>>
>> I wonder if libata has a generic problem with NCQ + FLUSH CACHE.
>>
>> What happens if you enable the 'fua' module parameter? (libata.fua on
>> kernel command line, if built in)
>
> it isn't supported here:
> sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

Did you actually try my suggestion?

That message is normal, because libata defaults to FUA==off.

Jeff



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