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Subject: Re: ALi M1543 on P200
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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Date: 14 Sep 2002 00:51:17 +0100
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On Fri, 2002-09-13 at 20:12, Vladimír Třebický wrote:
> I cannot use DMA on my new disks. UDMA is enabled in BIOS in mode UDMA 2. It
> doesn't work even in auto mode. ide0=dma doesn't work either. hdparm -d 1
> /dev/hda causes "operation not permitted"

Known bug in the new IDE code. This one is still pending resolution.