o3djs.utils.makeClients checks that Renderer has been initialized....

samples/o3djs/util.js

Index: samples/o3djs/util.js
===================================================================
--- samples/o3djs/util.js	(revision 20972)
+++ samples/o3djs/util.js	(working copy)
@@ -853,7 +853,10 @@
         for (var cc = 0; cc < clientElements.length; ++cc) {
           var element = clientElements[cc];
           o3d = element.o3d;
-          if (!o3d) {
+          var status = element.client && element.client.rendererInitStatus;
+          var ready = o3d && status >
+              o3djs.util.rendererInitStatus.UNINITIALIZED;
+          if (!ready) {
             if (chromeWorkaround) {
               if (element.style.width != '100%') {
                 element.style.width = '100%';
@@ -868,7 +871,6 @@
             element.style.width = '100%';
             return;
           }
-          var status = clientElements[cc].client.rendererInitStatus;
           // keep the highest status. This is the worst status.
           if (status > initStatus) {
             initStatus = status;