dma on as default
François Patte
francois.patte at math-info.univ-paris5.fr
Mon Aug 28 13:54:35 UTC 2006
Paul Smith a écrit :
> On 8/28/06, François Patte <francois.patte at math-info.univ-paris5.fr> wrote:
>
>> >> >> What is exactly your problem? Do you have SATA HD? Is it a laptop?
>> >> >
>> >> > Thanks, François. The problem is that if I do not set dma on, my dvd
>> >> > burner works _extremly_ slow. I do not have any SATA HD and it is
>> not
>> >> > a laptop.
>> >>
>> >> Did you try hdparm -c1 /dev/hdx (where hdx is the device your dvd is
>> >> linked to)?
>> >>
>> >> And try burning a dvd.
>> >>
>> >> Can you read a dvd "normally" with xine without a lot of frame being
>> >> dropped?
>> >
>> >
>> > With
>> >
>> > # /sbin/hdparm /dev/dvd
>> >
>> > /dev/dvd:
>> > IO_support = 1 (32-bit)
>> > unmaskirq = 1 (on)
>> > using_dma = 1 (on) <----- So dma is on now
>> > keepsettings = 0 (off)
>> > readonly = 0 (off)
>> > readahead = 256 (on)
>> > HDIO_GETGEO failed: Inappropriate ioctl for device
>> > #
>> >
>> > I can record and play video DVDs with no (apparent) problem. However,
>> > in the command line, with xine, I keep getting 'bad_frame'.
>>
>> And the speed when burning CD/DVD?
>
>
> The speed is fine. The dma is on now, true, but it gets off after a
> reboot, which is my problem.
So you add whatever you want to be set at boot time in /etc/rc.d/rc.local
--
François Patte
UFR de mathématiques et informatique
Université Paris 5 - Paris
http://www.math-info.univ-paris5.fr/~patte
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