In my workflow, I use Freeview to visualize surfaces in Freesurfer. Freesurfer is in a remote server, and I use XMing to display the GUI in my local machine. I use the last free version of XMing, which is 18.104.22.168.
This resulted in the following renders:
The surface renders are not correct, with lots of missing triangles.
Using Xming in another machine, I was not able to reproduce the problem, thus discarding the possibility of a problem with the server.
Xming used to have a version called Xming-mesa, which provides support for OpenGL. The Xming (non-mesa) version supports application that rely on X calls, but not OpenGL. Version 22.214.171.124 was released back in 2007, and it is the last release that does not require a license ("Donor Password") to use. Using Xming-mesa the problem was solved: