I found this issue when i run glbenchmark25, anyway, good to know, thanks. <br>Regards <br>Enpeng <br><br>On Saturday, April 9, 2016, Matthew Auld &lt;<a href="mailto:matthew.william.auld@gmail.com">matthew.william.auld@gmail.com</a>&gt; wrote:<br>&gt; There&#39;s already a patch in the works for this:<br>&gt; <a href="https://patchwork.freedesktop.org/patch/80078/">https://patchwork.freedesktop.org/patch/80078/</a><br>&gt;<br>&gt; Regards,<br>&gt; Matt<br>&gt;