Dual Head Issues in Squeeze

[Dancing Fingers <batymahn@gmail.com>]

Hi guys
I was running dual monitors in Lenny with the ATI driver and
everything worked okay.  I upgraded to Squeeze and I was pleasantly
surprised how easy dual heads were to activate and configure.  But I'm
having 2 issues:
-  the DVI head flickers every second and
-  the dual head configuration kills xawtv.

Has any one figured out a fix?

Thanks.
Chris