linux-kernel - Re: sata_nv times out for BD-ROM iHOS104-08

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Date:	Sun, 21 Feb 2010 10:01:27 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Cengiz Günay <cgunay@...RY.EDU>
CC:	Robert Hancock <hancockrwd@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>
Subject: Re: sata_nv times out for BD-ROM iHOS104-08

On 02/21/2010 04:11 AM, Cengiz Günay wrote:
>> Does the attached patch make any difference?
> 
> Not that I can tell. I still get an infinite loop of ata4 errors. I
> attached a full dmesg output with the patch. Note that I have both the
> patches disable-clear-ua and drain-from-atapi-pio-bytes applied at the
> same time.

Hmmm... So, DRQ gets cleared?  That's strange.  When then the 18 extra
bytes happen?  Can you please try this one?

-- 
tejun

View attachment "swncq-polling-pio.patch" of type "text/x-patch" (449 bytes)