kern/120177: [ata] ATA DMA modes don't work on CF cards

Sergey N. Voronkov serg at tmn.ru
Tue Jul 29 06:54:15 UTC 2008


On Tue, Jul 29, 2008 at 05:20:06AM +0000, Andrey V. Elsukov wrote:
> The following reply was made to PR kern/120177; it has been noted by GNATS.
> 
> From: "Andrey V. Elsukov" <bu7cher at yandex.ru>
> To: bug-followup at FreeBSD.org, tlb at tlb.org
> Cc:  
> Subject: Re: kern/120177: [ata] ATA DMA modes don't work on CF cards
> Date: Tue, 29 Jul 2008 08:52:42 +0400
> 
>  Hi, Trevor.
>  
>  Can you try to set UDMA33 or UDMA66 mode?
>  If it will work you can try this patch:
>  http://butcher.heavennet.ru/patches/kernel/ata/ata_limit_mode_from_device_hints.diff
>  
>  With this patch you can set mode in /boot/device.hints (or from loader
>    prompt), for example:
>  hint.ad.0.mode="UDMA33"
>  hint.ad.1.mode="UDMA66"

This can be done a bit simpler:

echo atacontrol mode ad4 UDMA33>> /etc/rc.local

Best regards,
Serg N. Voronkov.



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