Things to try:
-- First off, always try the latest released version of VirtualGL before
posting an issue. Every version of VirtualGL contains bug fixes
relative to the previous one, so I will always ask if you are running
the latest & greatest, particularly given that the latest version (2.5
beta1) contains bug fixes that are specific to ANSYS.
-- Try:
export VGL_GLXVENDOR="NVIDIA Corporation"
on the off chance that ANSYS is looking at the GLX vendor string to
determine whether to enable OpenGL or not.
-- Try:
export VGL_XVENDOR="The X.org Foundation"
to make the X vendor string look like that of a regular Linux X
server. NOTE: the "Sun Microsystems, Inc." hack you're referring to was
specific to a very old SPARC version of Pro/E. No modern application in
its right mind would look for that X vendor string (Solaris doesn't ship
its own X server anymore-- it uses X.org.)
On 11/10/15 7:22 PM, Quantum HPC wrote:
> Dear all,
>
> I am currently running on an issue with VirtualGl 2.4.1 + TurboVNC on
> RHEL v6.7.
> I am running ANSYS Suite v16.2 inside a TurboVNC session and each of the
> programs as an option to run with OpenGL.
> - When starting Fluent in stand-alone mode (outside ANSYS Workbench) and
> with the OpenGL driver, Fluent runs fine and VirtualGL grabs the 3D
> window. It is confirmed by the VGL logo inside the window.
> - When starting Workbench with VirtualGL, each product works fine with
> OpenGL : DesignModeler, Mesher and others, but when starting Fluent
> inside Workbench and forcing the use of OpenGL, the 3D window is not
> displayed and when trying to get info on the driver used, I get
> scrambled characters. When leaving default settings, Fluent runs fine
> with the X11 driver.
>
> Some info:
> - ANSYS detects automatically if the program runs or not inside a VNC
> session and in that case forces the use of X11, the use of VGL_XVENDOR
> environment variable to "Sun Microsystems, Inc." did not change the
> behavior.
> - It seems running with Verbose or Trace cause some issues with
> Workbench because no other programs inside it can run with those
> settings so I cannot get more info.
> - ANSYS Workbench uses MinGW
>
> Any help would be much appreciated.
>
> Best regards
>
> Quentin
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