blender 2.63 stereo game engine

blender stereo works fine under win7 without any problems so far. However, under linux (arch in my case) side-by-side stereo or similar cases will fail with "X11 glXQueryVersion() failes, verify working openGL system! initial window could not find GLX extension, exit!"

I patch intern/ghost/intern/GHOST_WindowX11.cpp anyway. It might cause other problems, but side-by-side stereo works for me so far.

PS: patch file

Only in blender-2.63: build
diff -rup blender-2.63/intern/ghost/intern/GHOST_WindowX11.cpp patched/intern/ghost/intern/GHOST_WindowX11.cpp
--- blender-2.63/intern/ghost/intern/GHOST_WindowX11.cpp    2012-04-26 16:41:12.000000000 -0400
+++ patched/intern/ghost/intern/GHOST_WindowX11.cpp    2012-05-07 16:16:50.000000000 -0400
@@ -209,8 +209,8 @@ GHOST_WindowX11(
     for (samples = m_numOfAASamples; samples >= 0; samples--) {
         i = 0; /* Reusing attributes array, so reset counter */

-        if(m_stereoVisual)
-            attributes[i++] = GLX_STEREO;
+        //if(m_stereoVisual)
+        //    attributes[i++] = GLX_STEREO;

         attributes[i++] = GLX_RGBA;
         attributes[i++] = GLX_DOUBLEBUFFER;