Reading https://bugs.freedesktop.org/show_bug.cgi?id=21553, I found the problem is related to "coherent mode" (What's that ?!?). Command line below solve the problem.
xrandr --output DVI-0 --set coherent_mode 0 I can enjoy again my 1600x1200 screen ! Does anybody knows how to make coherent mode disabled as default ? I can't found anything related to this reading man ati... Hope this workaround may help other people... -- [RV530] Screen "static noise" using high resolutions https://bugs.launchpad.net/bugs/366651 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
