glxinfo | grep render
direct rendering: Yes
GLX_ATI_render_texture
OpenGL renderer string: RADEON 9200 Series DDR Generic

/opt/ati/bin/fglrxinfo
display: :0.0 screen: 0
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: RADEON 9200 Series DDR Generic
OpenGL version string: 1.3.1091 (X4.3.0-8.27.6)

glxgears
7236 frames in 5.0 seconds = 1447.008 FPS

BUT WHEN I TRY TO RUN QUAKE 4 !!!

--------------- R_InitOpenGL ----------------
Initializing SDL subsystem
WARNING: SDL_Init failed: No available video device

Initializing SDL subsystem
WARNING: SDL_Init failed: No available video device

--------------- BSE Shutdown ----------------
---------------------------------------------
WARNING: rvServerScanGUI::Clear() - invalid scanGUI

idRenderSystem::Shutdown()
Sys_Error: Unable to initialize OpenGL


Let me know if there is any more info needed. Please help, Thanks for your time!!!