This is happening on a mix of systems running CentOS 7 and Ubuntu 20.04. I'm redirecting vglrun with -d :3 because I'm connected remotely with VNC using port 5903. However, Ansys doesn't work locally on the physical machine either. In either case, the windows and controls get displayed, but not the contents.
The output of the lspci and 2 vglrun commands is attached, for one of the systems. I've tried running Ansys on multiple systems though, with different OS and graphics card combinations. Ansys 19.2 worked fine on all of them, but anything after that does not.
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