If I made a guess I would check disks spinning up/down, power management settings, things of that nature which may not necessarily show in the CPU... but this is a really uneducated guess. Like Roman said though, I would also be glad to only have xruns every 20 minutes! Do you get xruns without any apps running and just jack?

On 9/7/07, Batuhan Bozkurt <batuhan@batuhanbozkurt.com> wrote:

Hello, I have this strange issue. Jack reports an xrun in every exact 20
minutes:

**** alsa_pcm: xrun of at least 1.703 msecs
18:59:17.219 XRUN callback (1).
**** alsa_pcm: xrun of at least 0.134 msecs
19:29:16.764 XRUN callback (2).
**** alsa_pcm: xrun of at least 0.511 msecs
19:49:16.459 XRUN callback (3).
**** alsa_pcm: xrun of at least 0.828 msecs
21:09:15.244 XRUN callback (4).

I think it is something that is scheduled in system. However there is i
indication of any kind of load at that instant, this also happens when
the computer look and feels fully idle.

I'm running Ubuntu Feisty with low latency kernel. What can it be? Any
suggestions?

Thanks!

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