The option with the Option "Shadow" "true" in the xorg.conf works for me on Kubuntu 10.10 as well as in 11.04 beta 1.
The attached xorg.conf has a lot of data which is not really needed. If you want to use another screen configuration, remove everything form the file except the code below: Section "Device" Identifier "Sandybridge" Driver "intel" Option "DRI" "false" Option "Shadow" "true" EndSection -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/732304 Title: Intel sandy-bridge dual-head GPU hang _______________________________________________ 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