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Date:      Mon, 24 Mar 2003 15:33:51 -0500 (EST)
From:      Don <don@calis.blacksun.org>
To:        The Anarcat <anarcat@anarcat.ath.cx>
Cc:        Craig Reyenga <creyenga@connectmail.carleton.ca>, freebsd-current@freebsd.org
Subject:   Re: Solved??? Re: playing mp3s and burning a cd
Message-ID:  <20030324152908.O76255@calis.blacksun.org>
In-Reply-To: <20030324194330.GA681@lenny.anarcat.ath.cx>
References:  <20030324173510.GA831@lenny.anarcat.ath.cx> <000b01c2f235$896d10d0$0200000a@fireball> <20030324190153.GE831@lenny.anarcat.ath.cx> <20030324141312.M76018@calis.blacksun.org> <20030324194330.GA681@lenny.anarcat.ath.cx>

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> On Mon Mar 24, 2003 at 02:14:48PM -0500, Don wrote:
> > > Should a PR be filed or some QA team contacted to make sure this
> > > problem doesn't stay alive in 5.2? :)
> > This isn't, by chance, a problem with your setting for the
> > sysctl "hw.ata.atapi_dma" is it?
> How extraordinarly cute! This solves it! I'm currently listening to
> Me, Mom and Morgentaler and burning a 4x CD without any slowdown, this
> is great.
Glad to be of help. Anytime you have odd system problems like that give
"sysctl -a" a perusal. Sometimes you will be surprised at what you find.

There was definitely a reason for turning off DMA access for atapi devices
by default, I just can not remember why. I'm sure this issue and the
reason were mentioned on the list already.

> PS: what's the proper way to enable ATAPI DMA in the loader.conf file?
> I don't see any flag WRT that there.. I'm tempted to add:
>
> set hw.ata.atapi_cam=1
hw.ata.atapi_dma not _cam :)

-Don

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