Q Light Controller+

Using the cute little Logitech wireless keyboard with built in trackpad that you can get from Walmart for $27 here in the states.

Under Raspbian Stretch, no latency.

Under the QLC+ the mouse input will freeze periodically.

Might be I'm asking too much of an Model B Revision 2.0 overclocked to 900mhz (no overvoltage).

Ideas?

Raspi is not ment to be used to edit shows - it is not powerful enough - therefore you can expect latency everywhere in edit mode