From owner-freebsd-questions  Sat Jan 12  9:30:57 2002
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Date: Sat, 12 Jan 2002 12:29:44 +0000 (GMT)
From: Tim DeBoer <deboert@cletus.cornhusker.net>
To: Kevin Oberman <oberman@ptavv.es.net>
Cc: questions@FreeBSD.ORG
Subject: Re: Enabling DMA Access 
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Thanks Kevin,
That seemed to help a bit.

Now, if I can just get rid of the random crashes  ;)

--

Tim DeBoer
http://www.freebsd-geek.com

"When you find yourself in the company of a Halfling and an ill-tempered
Dragon, remember, you do not have to outrun the Dragon... 
...you just have to outrun the Halfling."

On Fri, 11 Jan 2002, Kevin Oberman wrote:

> > Date: Thu, 10 Jan 2002 14:28:23 +0000 (GMT)
> > From: Tim DeBoer <deboert@cletus.cornhusker.net>
> > Sender: owner-freebsd-questions@FreeBSD.ORG
> > 
> > Hi Everyone,
> > I've been playing with DVD on my FBSD box, but it looks lik hell.
> > The standard recomendation is to enable DMA access on ym drives, so I've
> > been digging through various kern files I've found on the web.
> > They all seem to call for
> > 
> > options 	ATA_ENABLE_ATAPI_DMA	# Enable DMA on ATAPI devices
> > 
> > The problem is, I can't recompile if I add that to my kern. 
> > The error message reads unknown option "ATA_ENABLE_ATAPI_DMA"
> > 
> > Am I missing a step here? Acutally I know I am, I just don't know what it
> > is.
> 
> This is obsolete. The new ata driver now sets this with a sysctl.
> 
> Add:
> hw.ata.atapi_dma="1"    # Run the CD-ROM/DVD in DMA mode
> to /boot/loader.conf.
> 
> R. Kevin Oberman, Network Engineer
> Energy Sciences Network (ESnet)
> Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
> E-mail: oberman@es.net			Phone: +1 510 486-8634
> 
> 


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