Posted by gouessej on Sep 20, 2012; 8:48am
URL: https://forum.jogamp.org/JVM-Crash-During-X11-Shutdown-tp4026218p4026224.html

Sven Gothel wrote

Yup, X11Util is a bit to harsh now, even closing the connections
w/o close attempt. Usually we only tried to close those which were pending.
This was due to the ATI bug .. probably too much :)

I already observed that some months ago, it has nothing to do with recent changes but it was not causing any hard crash of the JVM.