[LAU] Regular Xruns?

[Peder Hedlund]

Quoting David Baron <d_baron at 012.net.il>:

> Simply listening to music with mplayer or xmms running through jack: I get
> xruns approximately every 20 minutes--around the hour, 20min, 40min.  
>  Not exact but +-2 second but around the third hour point.

Check your /etc/crontab and see if something there's the culprit. If  
my suspicion is right you probably have an entry with 0,20,40 or */20  
there.