Re: spurious completions during NCQ?

[Tejun Heo <htejun@gmail.com>]

Florin Iucha wrote:
> On Wed, Jun 06, 2007 at 08:28:07AM -0600, Robert Hancock wrote:
>>> This is on a Thinkpad T60 with 2 GB RAM, running Ubuntu 7.04 (kernel
>>> 2.6.20-16-generic).  No proprietary drivers (ok, maybe the Intel
>>> Wi-Fi - but that should not count).
>>>
>>> The laptop came with Windows but I blew that away - did I mess some
>>> thing up regarding HPA and its ilk?
>> It means the drive reported command tags were completed that were not 
>> outstanding. What kind of drive is this?
> 
> [   29.033142] ata1.00: ata_hpa_resize 1: sectors = 156301488, hpa_sectors = 156
> 301488
> [   29.033146] ata1.00: ATA-7: HITACHI HTS541680J9SA00, SB2IC7EP, max UDMA/100
> [   29.033149] ata1.00: 156301488 sectors, multi 16: LBA48 NCQ (depth 31/32)
> [   29.034230] ata1.00: ata_hpa_resize 1: sectors = 156301488, hpa_sectors = 156
> 301488

Please report the result of 'hdparm -I /dev/sda'.  We'll probably have
to blacklist it for NCQ.

-- 
tejun
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