Probably. What driver / hardware are you actually using? This sounds like the kind of thing that would happen if you either don't have properly installed 32-bit GL drivers, or are using a fairly old Mesa version.
Originally Posted by letharion
I'm xf86-video-ati and mesa from git as of yesterday. I do believe I have the 32-bit opengl libs installed. Based on your feedback, I tried another game, and have similar problems. My problem likely has nothing at all to do with SC2, and I submitted a new thread instead of hijacking this one. Awaiting moderation.
Originally Posted by Henri
This may give you some information about your GPU:
If you're really dealing with an Nvidia card then xf86-video-ati is obviously not for you.
Try xf86-video-nouveau or the legacy blob (in case of an 5500) instead.
Also, make sure mesa contains the specific bits for your card.