Work around by editing /etc/X11/xorg.conf
See http://www.ubuntuforums.org/showthread.php?p=673281#post673281
More people showing this error at http://ubuntuforums.org/showthread.php?t=122700
Work around by editing /etc/X11/xorg.conf
See http:// www.ubuntuforum s.org/showthrea d.php?p= 673281# post673281
More people showing this error at http:// ubuntuforums. org/showthread. php?t=122700