fglrx driver for ATI radeon 5450 card problem

[manit123]

After following ati-fglrx.tcz.info step by step  (including xorg-7.5)
I got

$fgl_glxgears
Xlib:  extension "GLX" missing on display ":0.0".
Using GLX_SGIX_pbuffer
Error: couldn't get an RGBA, Double-buffered visual

Please see attached xorg.0.log  (if 'Xorg -nolisten tcp' is run)