Please collect a full backtrace on this crash - see http://wiki.ubuntu.com/X/Backtracing for guidance.
In answer to #2, from my raring chroot:
/build/buildd/xserver-xorg-video-intel-2.21.2/build/src/sna/../../../src/sna/sna_dri.c:186
Please collect a full backtrace on this crash - see http:// wiki.ubuntu. com/X/Backtraci ng for guidance.
In answer to #2, from my raring chroot:
/build/ buildd/ xserver- xorg-video- intel-2. 21.2/build/ src/sna/ ../../. ./src/sna/ sna_dri. c:186