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

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Message-ID: <d2d378041002211328w6355d2f9ued625de53964cee5@mail.gmail.com>
Date:	Sun, 21 Feb 2010 16:28:02 -0500
From:	Cengiz Günay <cgunay@...ry.edu>
To:	Tejun Heo <tj@...nel.org>
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 Sat, Feb 20, 2010 at 8:01 PM, Tejun Heo <tj@...nel.org> wrote:
> Hmmm... So, DRQ gets cleared?  That's strange.  When then the 18 extra
> bytes happen?  Can you please try this one?

It worked!

$ lsscsi
...
[4:0:0:0]    cd/dvd  ATAPI    iHOS104          WL08  /dev/sr0
...

I was able to read a regular DVD in the drive. According to dmesg the
negotiated speed was down to UDMA/33, so I am not sure about the
performance of the drive.

Full dmesg attached.

Thanks!
Cengiz

Download attachment "dmesg-sata_nv-swncq-polling-pio" of type "application/octet-stream" (77185 bytes)