Exclamation Help: Greenscreen when watching Twitch/webm

Hey im running Paranoid 4.5Beta4, Kernel is
 
3.4.0-perf-ga6edd5eandroid-build@kpdm5.cbf.corp.google.com #1

and since Beta2, everytime I want to watch twitch or other streaming sites, I get a greenscreen. I then have to wait ~30s to sleep the
phone but it'll never work. Youtube works. Please help me