Hi Klaus, On Mi, Jan 03, 2007 at 01:22:14 +0100, Klaus Schmidinger wrote: > Well, the tuner thread doesn't really do that much that might > eat such a lot of CPU time, one would think. > > Maybe you can add some debug output in cDvbTuner::Action() and > cDvbTuner::SetFrontend() to find out what exactly it is doing > when this happens. > few weeks ago I noticed a similar Problem, that vdr eats a lot of cpu power. In my HTPC there is a tt 2.3 dvb-s and a usb-dvb-t stick. I did some tests with dvb-t stick plugged in and without. The cpu load is about 20% higher with the stick. Please tell me if you need more info to find the Problem. Thanks Halim