(In reply to comment #4)
> Wait a minute... Unigine is affected, but it's 64bit. Reporting bugs is
> confusing, especially when you can't edit your post ;)

 Unigine Heaven have 64 and 32 variants in it as i see, are you sure he does
not load 32bit one? 

 If you build you mesa try -O3 gcc optimization, that seems fixed those...
don't know yet what is particular issue with default optimization :).