World of Tanks ubuntu (linux) nvidia GTX 560, 4Gb RAM, cpu i7 3770

!!Warning!! Blue artefacts are only on video!! not realy in game. specification: system: Ubuntu 64bit enviroment: Gnome-shell CPU: i7 3770 RAM: 4GB VGA: asus GTX 560 DirectCUII TOP VGA_driver: version PlayOnLinux with wine Game is playable hangs and freezes are created by recording software(recordmydesktop). Without recording are everything fine. FPS jumps from 30 to 120 but it is playable. Some improvement can get by command taskset -cp 0,1,2,3 $(pgrep worldoftanks) this give affini