Mailinglist Archive: opensuse (4570 mails)
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Re: [SLE] Setting the DMA *and* making it stick
- From: Basil Chupin <blchupin@xxxxxxxxxx>
- Date: Wed, 9 Nov 2005 14:12:00 +0000 (UTC)
- Message-id: <43720348.6030802@xxxxxxxxxx>
Carlos E. R. wrote:
I don't know how you manage it but if you are watching a DVD and have to use the hdparm command then going to another desktop to start a terminal or do, say, CTRL-ALT-F2, logon as root and issue the command you miss a portion of the film. You can hear the audio but you don't see the video- hence you miss a portion of the film.
Cheers.
--
In a period of great joy and pleasure you are comforted by the thought that tragedy is just around the corner.
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The Tuesday 2005-11-08 at 16:19 +1100, Basil Chupin wrote:
Well, you CAN go to a terminal and (as root) use the hdparm command to
reset the DMA but, of course, you will miss a portion of the film during
this step.
Why "of course"?
I don't know how you manage it but if you are watching a DVD and have to use the hdparm command then going to another desktop to start a terminal or do, say, CTRL-ALT-F2, logon as root and issue the command you miss a portion of the film. You can hear the audio but you don't see the video- hence you miss a portion of the film.
I did change that setting while copying files, and did not loose a byte. The only thing you could notice is a glitch, a delay, while the kernel activates the change: if the viever reacts to delays by dropping frames (which is a normal trick, by the way) then yes, you will miss a portion.
- -- Cheers,
Carlos Robinson
Cheers.
--
In a period of great joy and pleasure you are comforted by the thought that tragedy is just around the corner.
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