Can you please update mesa-demos package to latest 8.1.0, released here: http://lists.freedesktop.org/archives/mesa-dev/2013-February/035180.html Ubuntu package also has a mesa-utils-extra packages that could be added in Debian, there is also a bug about this: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=635764 Thanks.