[linux-audio-user] Re: Low latency with 2.6.16.16 vanilla

From: Loki Davison <loki.davison@email-addr-hidden>
Date: Wed May 24 2006 - 08:32:31 EEST

On 5/24/06, Lee Revell <rlrevell@email-addr-hidden-job.com> wrote:
> On Wed, 2006-05-24 at 09:17 +1000, Loki Davison wrote:
> > ext3 the best choice? Is there some easy way to convert an reiserfs
> > partition to an ext3 one? All my partitions, including my root
> > partition are reiserfs so i'm assuming that may be something to do
> > with my inability to record more than 2 tracks at a time in ardour
> > with my amd64 3000+ system and sata drives.
> >
>
> You'd have to copy off all the data, mkfs again, and copy it back.
>
> Do you have CONFIG_PREEMPT_BKL=y in the mainline kernel config?
> ReiserFS 3.x uses it heavily.
>
> Also, I never claimed that mainline was OK on all hardware - it does
> work for me and several others I have talked to. It will heavily depend
> on the driver set.
>
> Did you do:
>
> echo 64 > /sys/block/hd*/queue/max_sectors_kb
>
> like I described on the ML and my LAC2006 paper?
>
> You could also use Ingo's latency tracer patch for the mainline kernel o
> debug it.
>
> Lee
>
>

Guess i'll have to grab another drive then. My current one is pretty
full copying it across somewhere would take a while. I'm thinking it's
also limited ram, i've got 512 mb which is quite small for a 64 bit
system. Should i have CONFIG_PREEMPT_BKL on or off?

Loki
Received on Wed May 24 12:15:02 2006

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