How to avoid this Xvfb error: ES2 Prism: Error - GLX extension is not supported

Adam Jackson ajax at
Mon Dec 12 17:20:40 UTC 2016

On Mon, 2016-12-12 at 12:13 -0500, Long Vu wrote:

> Would it be this xvfb-run option ?
> -s ARGS   --server-args=ARGS        arguments (other than server number and
>                                     "-nolisten tcp") to pass to the Xvfb server
>                                     (default: "-screen 0 640x480x8")
> I am not familiar with X server options, what server args I would need
> to get rid of this "ES2 Prism: Error - GLX extension is not supported"
> error?

Yes, I think it would be:

xvfb-run -s "-screen 0 640x480x24" # ... whatever else you use

- ajax

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