And actually glancing at the code, perhaps the leak is a little bit further up. I don't see any calls to unreference the memory of the pixmap allocation after setting it after each expose event. Here's another patch that might help address this.
** Attachment added: "patch" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/714829/+attachment/1870855/+files/patch ** Also affects: ubiquity (Ubuntu) Importance: Undecided Status: New -- 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/714829 Title: Xorg segfaults during LiveCD installation using preseed file _______________________________________________ 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