Messages in this thread | | | Date | Tue, 16 Feb 2010 17:34:27 +0900 | From | Tejun Heo <> | Subject | Re: [patch 1/1] Delay on vt6420 when starting ATAPI DMA write |
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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@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks!
-- tejun
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