Having me leave a comment saying "I have no idea why this is happening" doesn't really do much good but sure.
Actually it appears to be crashing inside nvidia's GL library so this is yet another nvidia bug. ** Package changed: compiz (Ubuntu) => nvidia-graphics-drivers (Ubuntu) -- Compiz crashes on unlocking screensaver https://bugs.launchpad.net/bugs/495121 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in ubuntu. _______________________________________________ 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