I have discovered that this bug can be circumvented by using the following option in the "Device" section of the xorg.conf file:
Option "ExaNoComposite" "true" -- .''`. Stephen Powell : :' : `. `'` `- -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
