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From: Tejun Heo on 16 Feb 2010 03:30
On 02/14/2010 09:04 PM, Bart Hartgers wrote:
> When writing a disc on certain lite-on dvd-writers (also rebadged
> as optiarc/LG/...) connected to a vt6420, the ATAPI CDB ends
> up in the datastream and on the disc, causing silent corruption.
> Delaying between sending the CDB and starting DMA seems to
> prevent this.
>
> I do not know if there are burners that do not suffer from
> this, but the patch should be safe for those as well.
>
> There are many reports of this issue, but AFAICT no solution was
> found before. For example:
> http://lkml.indiana.edu/hypermail/linux/kernel/0802.3/0561.html
>
> Signed-off-by: Bart Hartgers <bart.hartgers(a)gmail.com>

Acked-by: Tejun Heo <tj(a)kernel.org>

Thanks!

--
tejun
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