I so rarely use 3D on my Debian GNU/Linux desktop, I didn’t bother to verify it was working when I upgraded to Etch. Actually, it’s probably been busted since I moved to the unofficial Xorg in Sarge Backports in December. The Debian WiKi has the solution, essentially.
nx@faith:/home/.nx$ glxinfo | egrep “glx (vendor|version)”
server [...]