I had the same issue but I would like to add more details. Running Natty from Alpha 3 on a RV530 (radeon X1600).
With no kernel options > grub is 4 char offset on the left > boot logo (ubuntu) is half off on the right (as if the monitor was half size > of video) > gdm perfect > as soon as I login flickers to black for 1 sec every 15 seconds > unity loads but doesn't work well (transparencies, missing icon, they appear > only when rollover with the mouse) Booting with nomodeset > grub is 4 char offset on the left > boot logo is low res but OK > gdm perfect > no flickering but no compiz no unity, only classic desktop (gnome) Booting with radeon.new_pll=0 > grub is 4 char offset on the left > boot logo is low back to half off the screen > gdm perfect > no flickering but no compiz no unity, only classic desktop (gnome), as in > nomodeset I hope it helps. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/543045 Title: [RV530] screen flickers in lucid lynx [Needs pll quirk] -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
