There appeared to be problems when using the ATI Rage 128 graphics card in a Redhet 7.3 system. The problem manifested itself as screen corruption when exitting the Window Manager. This happened if using FVWM or KDE Window Managers. The corruption appeared to get progressively worse with each log off.
This problem was resolved by disabling Direct Rendering for this particular graphics card.
This is done by editting the file /etc/X11/XF96Config-4 . Find the Module section. Comment out the option to Load dri or direct rendering. You may also comment out support for OpenGL with the command Load glx.
Section "Module" Load "GLcore" Load "dbe" Load "extmod" Load "fbdevhw" # Load "dri" # Load "glx" Load "pex5" Load "record" Load "xie" EndSection
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