Subject: Re: [linux-audio-dev] disk latency under 2.4.19 ll+preempt
From: Maarten de Boer (mdeboer_AT_iua.upf.es)
Date: Wed Nov 20 2002 - 09:29:31 EET
On 19 Nov 2002 15:29:19 -0500
jfm3 <jfm3_AT_ouroboros-complex.org> wrote:
> I'm running the low latency and preemption kernel patches on 2.4.19. I'm
> getting disk copy latency of around 10ms. Since I'm a real time person
> (according to M. Goggins) who doesn't use the hd in real time, I can
> live with this, but it bugs me. I've tried ext2 and ext3, no difference.
> Any other tips?
Do you have support for your chipset unabled under "IDE, ATA and ATAPI
Block devices" in your kernel configuration, and "Use PCI DMA by default
when available"? I believe this is rather important.
Maarten
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