title: Vivado HLS 2014.4.1 crash without any error on Ubuntu 14.10 x64
body: <p>I am using clear installations of Ubuntu 14.10 x64 and Vivado Design Suite 2014.4 with update 1. Vivado runs, but Vivado HLS crashes on start without any error.</p>
  
  <pre><code>user@user-Precision-M4800:/opt/Xilinx/Vivado_HLS/2014.4/bin$ ./vivado_hls
  ================================================================
    Vivado(TM) HLS - High-Level Synthesis from C, C++ and SystemC
    Version 2014.4
    Build 1071461 on Tue Nov 18 16:42:57 PM 2014
    Copyright (C) 2014 Xilinx Inc. All rights reserved.
  ================================================================
  @I [HLS-10] Running '/opt/Xilinx/Vivado_HLS/2014.4/bin/unwrapped/lnx64.o/vivado_hls'
              for user 'user' on host 'user-Precision-M4800' (Linux_x86_64 version 3.16.0-34-generic) on Thu Apr 16 20:22:24 CEST 2015
              in directory '/opt/Xilinx/Vivado_HLS/2014.4/bin'
  @I [HLS-10] Bringing up Vivado HLS GUI ... 
  </code></pre>
  
  <p>I have tried source <code>settings64.sh</code> from vivado and run then by command vivado_hls but same thing happens. Does anyone met same issue?</p>