title: getting more information from crash log, OSX
body: <p>I have a working app designed for Mac OSX.
  The app runs fine on my mac, but when I try it on some other macs, I get 50% success rate.</p>
  
  <p>So far I have been able to collect crash reports from different macs, but I am not quite able to decode them. </p>
  
  <p><a href="http://reviews.cnet.com/8301-13727_7-10330727-263.html" rel="nofollow noreferrer">This</a> gives pretty good explanation but its simply an introduction. </p>
  
  <p>I am attaching a sample error log I got on my friend's mac.</p>
  
  <p>You can make out the thread which crashed, but not the method, or instruction where the EXC_BAD_INSTRUCTION occurs. All you get is an address.</p>
  
  <p>How will I know on what line the crash has occured? Is there any way I can back trace the address shown in the log?</p>
  
  <p><img src="https://i.stack.imgur.com/HMEcf.png" alt="Sample crash log, OSX"></p>