[winswitch] Question about Xpra, OpenGL, and Xming-Mesa

Antoine Martin antoine at nagafix.co.uk
Fri Dec 1 01:35:36 GMT 2017

On 01/12/17 01:11, Michael Segev via shifter-users wrote:
> Hello,
> My situation is as follows:
> I'm currently on a Windows 10 machine that has Xpra, Xming-Mesa (Xming with
> OpenGL support), and PuTTY installed. I am trying to run a GUI java app
> that uses OpenGL on a remote Linux (Ubuntu 16.04) machine and have it
> display back on my PC using Xpra.
> I can successfully run the application when I just use Xming-mesa. However,
> when I add Xpra into the equation, the GUI java app fails to start and
> throws this error:
>  OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current
> thread
> But if i shut down the Xpra server and just connect using Xming-mesa, the
> application starts fine; so I'm somehow inclined to believe that there is
> some conflict here involving Xpra and OpenGL.
> Any advice you could provide to fix this would be greatly appreciated.
The easiest way is to add "+extension GLX" to your xvfb command line in
This will be the default for Ubuntu 16.04 in the upcoming 2.2 release.
This solution is not accelerated.

For more options, including OpenGL acceleration see:


> Thank you.
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