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Re: DVD that other computers can't play

From: "Steve O'Hara-Smith" <steve@xxxxxxxxxx>
Date: Sun, 7 Feb 2010 20:32:49 +0000

On Sun, 7 Feb 2010 11:37:33 -0500
Pierre Abbat <phma@phma.optus.nu> wrote:

> I installed vlc and tried to play the disk. It came up with a menu 
> saying "English/Español"; I picked one and tried to play one of the
> movies. It is now spewing an endless stream of the following error on the
> console: acd0: setting up DMA failed
> ata1: FAILURE - oversized DMA transfer attempt 100352 > 65536
> At least that's farther than I got on Windows, and I understand the
> error. How do I fix it?

	Nasty - I thought that problem was fixed some time ago, I haven't
seen it recently. A workaround is to use natacontrol to turn off DMA on the
drive like this:

natacontrol mode acd0 pio4

Steve O'Hara-Smith                          |   Directable Mirror Arrays
C:>WIN                                      | A better way to focus the sun
The computer obeys and wins.                |    licences available see
You lose and Bill collects.                 |    http://www.sohara.org/

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