(In reply to comment #3)
> I'm not sure if I and others experience the same problem as you, but when I
> try to start the first tutorial mission in DotA 2 (or change the resolution
> in the options menu), the game crashes.

I can change the resolution just fine.

> It seems to boil down to a general shader issue with Mesa, as users with
> Intel & R600 drivers are having the problems. When one delete certain shader
> files the game will start.

Nope, deleting/renaming the fxc subdirectory doesn't help on my system.

Looks like I'm seeing a different problem than you are.