Re: ATA/DMA problem after reboot

From: Yousef Raffah <yraffah_at_savola.com>
Date: Wed, 05 Oct 2005 12:04:12 +0300
On Wed, 2005-10-05 at 11:55 +0300, Pertti Kosunen wrote:
> Jeremie Le Hen wrote:
> 
> >How do I set this at boot time ?  There may be a tunable or something
> >allowing to do this.  My problem indeed occurs before / is even
> >mounted.
> >
> 
> Disable dma at boot and enable in rc.local.
> 
> /boot/loader.conf
> hw.ata.ata_dma="0"
> hw.ata.atapi_dma="0"
> 
> /etc/rc.local
> #!/bin/sh
> atacontrol mode ad0 UDMA66
> atacontrol mode ad4 UDMA66
> atacontrol mode ad5 UDMA66
> atacontrol mode ad6 UDMA66
Can these be used as a general rule? I mean I have a Tecra A4 and as of
now, my settings are the defaults:
root_at_RedDevil# atacontrol mode acd0
current mode = UDMA33
root_at_RedDevil# atacontrol mode ad0
current mode = UDMA100

Can I use UDMA66 for both of them?

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Received on Wed Oct 05 2005 - 07:04:54 UTC

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