Does the crash happen often, or was it a one-time occurrence? If you can reproduce the crash, you might try creating an /etc/X11/xorg.conf file that turns off SNA (using UXA instead):
Section "Device" Identifier "Card0" Driver "intel" Option "AccelMethod" "uxa" EndSection ** Information type changed from Private to Public ** Package changed: xorg-server (Ubuntu) => xserver-xorg-video-intel (Ubuntu) ** Changed in: xserver-xorg-video-intel (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1211711 Title: Xorg crashed with SIGABRT To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1211711/+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