oops, didn't need the set_root_xform

panda/src/chan/partBundle.I

@@ -116,7 +116,6 @@ set_root_xform(const LMatrix4f &root_xform) {
   nassertv(Thread::get_current_pipeline_stage() == 0);
   CDWriter cdata(_cycler);
   cdata->_root_xform = root_xform;
-  do_xform(root_xform, invert(root_xform));
   cdata->_anim_changed = true;
 }