<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hello, Rezaiefar,<div class=""><br class=""></div><div class="">Could you please tell us what changes did you make? What program did you run?</div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">Xinyu Ma.<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Oct 15, 2018, at 7:47 AM, Zeinab Rezaiefar <<a href="mailto:z.rezaiefar@yahoo.com" class="">z.rezaiefar@yahoo.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><div class="ydpc2199159yahoo-style-wrap" style="font-family: times new roman,new york,times,serif; font-size: 16px;">Hello,</div><div class="ydpc2199159yahoo-style-wrap" style="font-family: times new roman,new york,times,serif; font-size: 16px;">After changing some part of the code, I have received an SIGSEGV error. When I run the code with debugger (<span class="">./waf --run <program> --command-template="gdb --args %s <args>"), I received the below message</span></div><div class="ydpc2199159yahoo-style-wrap" style="font-family: times new roman,new york,times,serif; font-size: 16px;"><span class=""><br class=""></span></div><div class="ydpc2199159yahoo-style-wrap" style="font-family: times new roman,new york,times,serif; font-size: 16px;"><span class="">Program received signal SIGSEGV, Segmentation fault.<br class="">0x00007ffff462745c in ns3::Ptr<ns3::Node>::operator-> (this=0x20)<br class=""> at ./ns3/ptr.h:489<br class="">489 return m_ptr;</span><b class=""></b><i class=""></i><u class=""></u><sub class=""></sub><sup class=""></sup><strike class=""></strike></div><div class="ydpc2199159yahoo-style-wrap" style="font-family: times new roman,new york,times,serif; font-size: 16px;"><br class=""></div><div class="ydpc2199159yahoo-style-wrap" style="font-family: times new roman,new york,times,serif; font-size: 16px;">I would like to know how can I go through the code that causes this problem without installing "insight"</div><div class="ydpc2199159yahoo-style-wrap" style="font-family: times new roman,new york,times,serif; font-size: 16px;">Thanks</div><div class="ydpc2199159yahoo-style-wrap" style="font-family: times new roman,new york,times,serif; font-size: 16px;">best regards</div><div class="ydpc2199159yahoo-style-wrap" style="font-family: times new roman,new york,times,serif; font-size: 16px;">Zeinab</div><div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" class=""><br class="">
<table style="border-top: 1px solid #D3D4DE;" class="">
<tbody class=""><tr class="">
<td style="width: 55px; padding-top: 13px;" class=""><a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon" target="_blank" class=""><img src="https://ipmcdn.avast.com/images/icons/icon-envelope-tick-round-orange-animated-no-repeat-v1.gif" alt="" width="46" height="29" style="width: 46px; height: 29px;" class=""></a></td>
<td style="width: 470px; padding-top: 12px; color: #41424e; font-size: 13px; font-family: Arial, Helvetica, sans-serif; line-height: 18px;" class="">Virus-free. <a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link" target="_blank" style="color: #4453ea;" class="">www.avast.com</a>
</td>
</tr>
</tbody></table><a href="x-msg://3/#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width="1" height="1" class=""></a></div></div>_______________________________________________<br class="">ndnSIM mailing list<br class=""><a href="mailto:ndnSIM@lists.cs.ucla.edu" class="">ndnSIM@lists.cs.ucla.edu</a><br class="">http://www.lists.cs.ucla.edu/mailman/listinfo/ndnsim<br class=""></div></blockquote></div><br class=""></div></body></html>