On Thu, 2006-09-07 at 04:05 +0200, Dominic Sacré wrote: > Hi, > > I'd like to run jack on a rather old laptop (IBM Thinkpad X21, P3 700MHz). > The problem is that I'm getting xruns almost every 30 seconds. That is, > not every time, but the interval between two xruns is always an exact > multiple of 30 seconds. CD media detection? power management features?