the upstream is at 6.6.99.191, while Feisty has 6.6.3. try this package, which has disabled one patch:
http://users.tkk.fi/~tjaalton/dpkg/xserver-xorg-video- ati_6.6.3-2ubuntu6.1_i386.deb ** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Unconfirmed => Needs Info -- [Feisty] DPMS no longer switches off backlight on radeon https://bugs.launchpad.net/bugs/106414 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [EMAIL PROTECTED] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs