Re: [linux-audio-user] latency questions

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Subject: Re: [linux-audio-user] latency questions
From: Ian Bell (ian_AT_redtommo.com)
Date: Wed Oct 16 2002 - 21:02:16 EEST


On Tuesday 15 Oct 2002 10:48 pm, G. M. Bodnar wrote:
> I was running through the low-latency howto and I ran into a couple
> things that seem to be hindering process.
>
> First off, I'll mention that I'm using a Dell Inspiron 2650 laptop.
> I'm running debian unstable with 2.4.19.
>
> 1) DMA transer won't enable. I've enabled DMA transfers in the kernel
> as suggested by the howto. However, I'm unable to turn on dma access
> with hdparm. I'm told the operation is not permitted.

I have a 2650 and it appears the dma problem is a bug in the 2.4.18 kernel
with certain IDE chipsets. Apparently fixed in 2.4.20

Ian


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