I can confirm this on Jaunty RC on HP nx6310 with Intel 945GM. Putting Option "FramebufferCompression" "off" in my /etc/xorg.conf solved the problem with casual Black/Grey/White Screen of Death on external monitor AND the periodical filckering (or rather "shaking" in my case) mentioned above.
I can confirm this on Jaunty RC on HP nx6310 with Intel 945GM. Putting Option "FramebufferCom pression" "off" in my /etc/xorg.conf solved the problem with casual Black/Grey/White Screen of Death on external monitor AND the periodical filckering (or rather "shaking" in my case) mentioned above.