No, I'm x86... I'll run a ram test or two, but I don't think that's the problem either. Sorry abut the misquote, I'll start gathering some numbers starting now.
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It's possible Zero, but I've removed my autogen.cfg and started with a clean one, as well as a new GUID.
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Yes, I have no problems with this in Windows, or when I play games that are very graphically dependent.
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I don't think it's any of those listed Bissig, I've never had issues like these before, and Tremulous isn't the only thing I do on my computer.