[PlanetCCRMA] xruns

Steve Harris S.W.Harris@ecs.soton.ac.uk
Wed Oct 1 01:02:01 2003


On Tue, Sep 30, 2003 at 09:35:14 -0700, Jonathan Segel wrote:
> ok, i still cannot figure how to get decent sound out of my computer, 
> but i am learning slowly. i see that when i start the qjackctl, if i 
> have the periods/buffer at 2 and only 2, no matter what frames/period 
> it is set at, it will start the alsa engine.
> 
> but it always does so with a message of:
>  **** alsa_pcm: xrun of at least 0.088 (or so) seconds.
> and, stupid me, i didn't even realize that that was an error message, 

An xrun is either an overrun or underrun, where the computer cant keep up
with the kernel. You'l hear it as a click or pop if theres any audio
playing.

If you see one after you first start jack, then thats normal - its only a
problem if they occur while your actually using it.

- Steve