[linux-audio-user] Uhm, low latency?

[felipe]

Hi,

I was stupidly sure I was running a lowlatency kernel just because my 
/proc/sys/kernel/lowlatency was set to 1.

I used to start jack with something like 
$: jackd -R -d alsa -d opl3sa2 -r 44100

and I was surprised by the great number of xruns. Now I tried "jackstart" as 
root and... what? This kernel does not have capabilities enabled?!

I read some posts by people who got lowlatency in their laptops only after 
enabling ACPI... Could this be true for some PC's too? Has anyone faced this 
inconvenience? I've completely disabled the Power Management support.

My box:
Pentium III katmai
192 MB Ram
Sound Card Yamaha opl3sa2
hdparm -t /dev/hda -> 64MB in 4.21 secs = 15.21 MB/sec
Debian woody + gcc3.2 + DeMuDi
ALSA 0.9rc6
Kernel 2.4.20-ck2 (almost: it's a 2.4.20 vanilla with Con Koliva's lowlatency, 
preemtpible and arcangeli's VM patches)

Can't think of anything relevant, any idea? Thank you

felipe


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