Can you please try and see if you get the same crash with the mesa 7.6.1 package from https://launchpad.net/~ubuntu-x-swat/+archive/x-updates or with the 2.6.32 kernel from Lucid?
Can you please try and see if you get the same crash with the mesa 7.6.1 package from https:/ /launchpad. net/~ubuntu- x-swat/ +archive/ x-updates or with the 2.6.32 kernel from Lucid?