Signal 11 with loading GLX on redhat 8.1 beta phoebe

hi folks!

this is my first post here! i installed redhat 8.1 beta phoebe on my nvidia 
nforce based system. the graphics kernel & the GLX drivers compile fine from 
the sources. but when i start X it crashes logging something like,

Loading GLX....
"Caught signal 11" aborting...

i read about this error in quite a few posts in linux forums from people 
have different distributions too. is there any fix for this? people say, if 
i disable "load glx" option in the XF86Config file then the X starts fine 
but GL is something very important to have and without it X would be more 
handicapped. so if there any ways of fixing this please let me know.

any insights on this issue are also welcome as it would be a learning 
experience for me :-)

thanks,
venkat.

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