Emperor@pcbsd /usr/home/Emperor]$ glxgears
Failed to initialize GEM.  Falling back to classic.
Running synchronized to the vertical refresh.  The framerate should be
approximately the same as the monitor refresh rate.
8812 frames in 5.0 seconds = 1762.311 FPS
11698 frames in 5.0 seconds = 2339.590 FPS
11486 frames in 5.0 seconds = 2297.183 FPS
13200 frames in 5.0 seconds = 2639.975 FPS
2760 frames in 5.0 seconds = 550.863 FPS
182 frames in 5.0 seconds = 36.294 FPS
6228 frames in 5.0 seconds = 1245.591 FPS
12324 frames in 5.0 seconds = 2464.748 FPS
2235 frames in 5.0 seconds = 446.011 FPS
XIO:  fatal IO error 35 (Resource temporarily unavailable) on X server ":0.0"
      after 2241 requests (1592 known processed) with 0 events remaining.