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SubjectRe: [BUG?] ata disk running maximum at DMA33 with 2.6.20 and new pata driver, NV CK804 ide controller.
On Wed, 7 Feb 2007 01:19:36 +0100
Luigi Genoni <genoni@sns.it> wrote:

> Hi,
> since upgrading to kernel 2.6.20 my pata disk, using new pata driver, is
> initialized maximum in DMA33 mode (and obviously performances drop
> consequently), as you can see from:

Interesting.

> Willing to test any patch.

Firstly can you see if its consistently the case that booting 2.6.20
gives UDMA33 and 2.6.19 UDMA100 over a few reboots. If it is please drop
the 2.6.19 drivers/ata/pamd_amd into 2.6.20 and try that.

Thanks

Alan
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