I'm having random freezes too, with Gnome and Compiz. They seemed to just start recently, maybe around April 3rd like you said.
I thought it was related to Gnome-Do at first, because it always froze when trying to bring up Gnome-Do. I removed that and still had the problem. So then I thought it was the UXA acceleration, but I changed back to EXA and still had it freeze. Now the freezes seem random, I'll see if I can find some kind of trend in when they occur.
I'm having random freezes too, with Gnome and Compiz. They seemed to just start recently, maybe around April 3rd like you said.
I thought it was related to Gnome-Do at first, because it always froze when trying to bring up Gnome-Do. I removed that and still had the problem. So then I thought it was the UXA acceleration, but I changed back to EXA and still had it freeze. Now the freezes seem random, I'll see if I can find some kind of trend in when they occur.
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller [8086:2a02] (rev 0c)