#7 ANSYS ICEM CFD fails with VirtualGL+TurboVNC

closed-wont-fix
DRC
VirtualGL (44)
5
2014-04-28
2010-01-07
DRC
No

ANSYS ICEM CFD v 5.1 fails to launch with VirtualGL 2.1.4 and TurboVNC 0.6. When it fails to launch, it sometimes prints the following error:

X Error of failed request: GLXBadContextState
Major opcode of failed request: 0 ()
Serial number of failed request: 12441
Current serial number in output stream: 12441

Sometimes, the application instead prints "Signal 11 caught".

Discussion

  • DRC

    DRC - 2010-01-07

    The application works as long as the 2D X server, be it an X proxy or a remote X server, has the GLX extension enabled. However, in this case, VirtualGL does not appear to be active. Instead, the application is using indirect OpenGL rendering.

    After extensive examination, it appears that the application is statically linked with libGL and thus cannot be made to work with VirtualGL. This explains why it only fails whenever the X server lacks the GLX extension.

     
  • DRC

    DRC - 2010-01-07
    • status: open --> closed-wont-fix
     
  • DRC

    DRC - 2011-12-17
    • milestone: --> VirtualGL: Application-specific issue
     

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