OK, confirming the BUG, running ubuntu ibex 8.10 , Intel Core2 Duo e7400, Asus P5Q-EM with HDMI out cable, when running this with a VGA cable, no flickering at all, and only since using the HDMI out on the Motherboard have i started seeing the flickering.
-- Screen flicker/resync on X4500HD https://bugs.launchpad.net/bugs/275152 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs