Hi,

We have a team who run all their CCP4 jobs on a central server, displaying the 
CCP4i or CCP4i2 GUI remotely on a Mac laptop or desktop using XQuartz and ssh.

With the update to CCP4 8.0, CCP4i2 now crashes.  The issue appears to be 
rendering the GUI via ssh on X11.  There are a variety of errors, including


QQuickWidget: Failed to make context current

QOpenGLShader: could not create shader

and


Failed to create OpenGL context for format QSurfaceFormat(...

This is not the problem often experienced with remote X11 sessions of iGLX not 
being permitted - coot from 8.0 runs, as do other GL applications.

As far as I can tell, this is because the GUI uses features of GL2.0+.  
Indirect GLX only supports GL up to 1.4.

If anyone has this working, any help they can give would be greatly appreciated.

Chris

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Chris Richardson | Scientific Computing - Division of Structural Biology

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