Gunter Ohrner wrote:
> the other is a high system load and bad responsiveness of the system as a
> whole. I didn't even bother to measure timer/sleep jitters as the system
> was dog slow and the fans started to run a full speed nearly immediately.

Ok, I recompiled the kernel with some debug options and attached
a /proc/latency_trace output, hoping it will be helpful to track down the
problem...

Please tell me if there's anything else I should do.

Greetings,

  Gunter