Sebastian Frei wrote: > I applied the patch, but it doesn't work as good as the sched_yield "patch". > > Now it takes between 3 and 8 seconds when moving or jumping between cutmarks, > with the sched_yield this was possible instantly. What happens if you put a cCondWait::SleepMs(1); instead of the sched_yield()? Maybe Reinhards remark about putting the sleep() outside of the locked area is the key... Klaus