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Tom Glanzman was unable to connect from his RHEL6-64 box with Chrome v19.0.1084.52 after multiple attempts, where each time the Java client crashed. Note that a recent attempt to update video drivers for RHEL6-64 did not change the openGL version (still at 1.4), so one of our desktop support folks (Wayne Yu) continues to investigate. He
Hi Tom, I will need to look into this more. I have looked at both RHEL5 and RHEL6 system with different Nvidia card, and both shows OpenGL 1.4. So I installed Ubuntu 12.04 on a laptop and it shows OpenGL 2.1. And I check the Mesa version on all three system. RHEL5 shows Mesa 6.5.1, RHEL6 shows 7.11 and Ubuntu shows 8.0.2. The OpenGL driver support could be a combination of OpenGL library that comes with the operating system and hardware. Mesa provides the software rendering capability and the video card does the hardware part of it. Wayne
Tom G. then connected from a Windows XP box initially trying through the Chrome browser (both beta and canary) generated an error that the chrome versions are "too old" although they are up to date.  Tom then tried Firefox which seemed to work for audio, though there was a complaint that an OpenGL update is required for video (current version is 1.3.1030, but 1.5 is needed)  For fun, Tom also tried Android but SeeVogh on android fails immediately --- claims the Safari version was too old.

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