I have the very same problem on Thinkpad T42, changing xorg.conf improves the situation, but still non as good as it used to be in intrepid or hardy.
lspci | grep VGA: 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV250 [Mobility FireGL 9000] (rev 02) -- [r100-rv200] very poor Xorg performance - XAA solves this https://bugs.launchpad.net/bugs/363238 You received this bug notification because you are a member of Ubuntu-X, which is the registrant for xserver-xorg-driver-ati. _______________________________________________ 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