Unfortunately the backtrace and valgrind log show just what you said, this is a crash in the nvidia driver. There is nothing we can do about that.
** Package changed: compiz (Ubuntu) => nvidia-graphics-drivers (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in ubuntu. https://bugs.launchpad.net/bugs/670592 Title: compiz crashes when screensaver activates _______________________________________________ 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