Please re-test against current Jaunty. Attach a new /var/log/Xorg.0.log and Xorg.0.log.old after reproducing the issue, and the output of 'lspci -vvnn'.
Please re-test against current Jaunty. Attach a new /var/log/Xorg.0.log and Xorg.0.log.old after reproducing the issue, and the output of 'lspci -vvnn'.