I have two asus 5770's running on stock Ubuntu 11.04.  aticonfig can read the gpu temps just fine, but these stats don't appear in cgminer.  I've tried numerous versions of cgminer, AMD sdk's, all with the same results.  

https://img.skitch.com/20120429-tgisxymgwsgdj83egw2xr7yue2.jpg

https://img.skitch.com/20120429-8rxk84cg6k3gxr4mb2d933kjpt.jpg

Anyone have any ideas what's causing this?