I think this may be fixed in xserver master by this commit:
commit 120286aef59dabdb7c9fa762e08457e5cc8ec3a6 Author: Michel Dänzer <email address hidden> Date: Thu Sep 3 08:05:59 2009 +0200
glx: Add screen DestroyWindow wrapper to destroy the GLX drawable.
Fixes crashes exitting MacSlow's rgba-glx demo.
Could you try that?
I think this may be fixed in xserver master by this commit:
commit 120286aef59dabd b7c9fa762e08457 e5cc8ec3a6
Author: Michel Dänzer <email address hidden>
Date: Thu Sep 3 08:05:59 2009 +0200
glx: Add screen DestroyWindow wrapper to destroy the GLX drawable.
Fixes crashes exitting MacSlow's rgba-glx demo.
Could you try that?