This is with the default ati/radeon driver right? Please attach your Xorg.0.log
** Package changed: xserver-xorg-video-radeonhd (Ubuntu) => xserver- xorg-video-ati (Ubuntu) -- AGP Aperture must be 256Mb or more with Radeon https://bugs.launchpad.net/bugs/444824 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