On reflection, it looks more like a mesa problem. The final operation is performs looks to be referencing an invalid source texture. It's hard to be completely sure that the second sample state is being accessed, but it does look like it is.
** Summary changed: - compiz crashed in raring, cannot be restarted, strange kernel+X issue with intel driver + [ilk mesa] compiz crashed in raring, cannot be restarted -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1119745 Title: [ilk mesa] compiz crashed in raring, cannot be restarted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1119745/+subscriptions _______________________________________________ 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
