Hello, I am playing world of warcraft using opengl. Every couple of minutes the game stutters for about 1 second. Any ideas on a fix? The video card is complete overkill for an older game like this. System Specs: OS: Linux Mint Helena CPU: Phenom 2 x4 940 MOBO: Foxconn A7DA-S RAM: 4x2GB GSKILL PC28500 1KW PSU Video: XFX 5870 1GB