Re; system keeps freezing once every 24 hours / random apps crashing

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> But i wonder, can you think of something why grabdisplay causes crashes
> and overlay doesn't ? This needed patch, would it solve this problem too ?

Grabdisplay causes (roughly) twice the traffic. Overlay mode runs the TV 
stream straight into the graphics card, peer-to-peer, while grabdisplay 
streams into RAM, lets the CPU read from there, scale, and push into the 
graphics card.
Pure overlay mode also produces zero CPU load.
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