Re: AHCI + ST3160023AS + NCQ problems

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Matheus Izvekov wrote:
>> Indeed removing the jumper of sdb made it be recognised as SATA2. But
>> sdc, what the problem is really about, is neither SATA2, not has any
>> jumper whatsoever. but both the manufacturer and libata claim it
>> supports NCQ.
>>
> 
> Anything i could do to help debug this? or perhaps it makes more sense
> to just blacklist NCQ for this particular drive?

Timeouts on modern SATA disks usually indicate hardware problem.

* unstable power supply (this is quite common)
* faulty cable or poorly seated connectors
* faulty drive or controller (seems rare)

Please apply common hardware debugging method - isolate problem by
changing configuration piece-by-piece and finding out to which component
the error actually belongs to.

-- 
tejun
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