title: Eclipse HANGS when Debug Perspective is Shown
body: <p>Eclipse hangs when I open the Debug Perspective.</p>
  
  <p>I thought Eclipse was hanging when my app hit a breakpoint...but it turns out that Eclipse hangs when the debug perspective is shown.  </p>
  
  <p>I can reproduce the hang by opening Eclipse, then clicking Window/Open Perspective/Debug</p>
  
  <p>Eclipse 3.7.2, running on Ubuntu 12.x</p>
  
  <p>Help! :)</p>