Im running Fedora Core 6 (x86_64) on an 1.8ghz AMD 3000+ , a buttload of ram, buttload of swap space, Nvidia GF3 Ti 64mb.
[MadRush@localhost ~]$ glxinfo | grep direct
direct rendering: Yes
heres the whole glxinfo: http://1t2.us/764
It's slow as crap, even with 800x600 and everything turned off. Openarena plays pretty good, though after a while the other online player movements get choppy. I haven't played Openarena since I increased my swap space.
Heres what I get when I run it and shut it down without playing a match:
Heres a long one when I play a match: