Lonni J Friedman wrote: > Or maybe you updated your Mesa RPM which broke the GLX module. I know > that I've never seen the need to hardcode the GLX module path in > RHEL4. Something seems broken in your environment. It is certainly possible that xorg-x11-Mesa-libGLU and/or xorg-x11-Mesa-libGL were updated by up2date prior to my noticing the issue. I also hadn't found the need to hardcode the GLX module path up until now. Yes, something is amiss. But, as previously mentioned, I'm not alone. Once I noticed the problem the solution was a single google search away. Am I going to lose any sleep over it? No. Am I going to dig in and find the root cause? No, not unless I'm really-really bored.