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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi Peter</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Try these aggressive but usually helpful repair steps:</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>backup NDN certificates, configurations, repo-ng contents if you can<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>delete ndn-cxx and NFD and ndn-tools; check for /etc/ndn, /usr/bin, /usr/local/bin, /usr/local/etc/ndn, /opt/local, /var/log/ndn directories for any remains<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>delete cloned ndn-cxx and NFD and ndn-tools repositories<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>uninstall MacPorts and HomeBrew, delete all ports and packages<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>5.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>in Keychain Access app, delete all NDN certificates<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>6.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>shutdown the machine, unplug the power, wait 30 minutes<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>7.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>plug in the machine and start the system<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>8.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>install HomeBrew only (MacPorts is supported but the strange paths sometimes cause problems)<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>9.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>clone ndn-cxx and NFD and ndn-tools from Gerrit (not GitHub), see instructions <a href="http://www.lists.cs.ucla.edu/pipermail/nfd-dev/2015-April/001023.html">http://www.lists.cs.ucla.edu/pipermail/nfd-dev/2015-April/001023.html</a><o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>10.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>carefully follow installation instructions of each software; do not skip any step<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Yours, Junxiao</p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='border:none;padding:0in'><b>From: </b><a href="mailto:peter@remap.ucla.edu">Gusev, Peter</a><br><b>Sent: </b>Sunday, July 3, 2016 18:48<br><b>To: </b><a href="mailto:nfd-dev@lists.cs.ucla.edu"><nfd-dev@lists.cs.ucla.edu></a><br><b>Subject: </b>[Nfd-dev] nfd segmentation fault</p></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Hi all,</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>After some manipulations with the system (don’t recall what exactly - moving around boost libraries, updating to El Captain, re-installing ndn-cxx) I no longer can launch NFD:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>nfd-start<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>/usr/local/bin/ndnsec-install-cert: line 4: 54673 Segmentation fault: 11 (core dumped) `dirname "$0"`/ndnsec cert-install "$@"<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>/usr/local/bin/ndnsec-keygen: line 4: 54674 Segmentation fault: 11 (core dumped) `dirname "$0"`/ndnsec key-gen "$@"<o:p></o:p></span></p></div></div></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>$ nfd --version<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>Segmentation fault: 11<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>$ </span><span style='font-size:8.5pt;font-family:"Menlo",serif'>ndnsec version</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>0.4.1<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>$ </span><span style='font-size:8.5pt;font-family:"Menlo",serif'>ndnsec list</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>Segmentation fault: 11<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Tried to revert changes (migrated Ports to El Captain, making sure boost libraries are in /opt/local/lib, rebuilt/reinstalled ndn-cxx-0.4.1 and NFD-0.4.1), with no effect - still the same problem.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Before digging deeper, just wanted to check-in with people in this mailing list, whether they experienced anything like this before.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Here’s the core dump from the "nfd-start” crash:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>* thread #1: tid = 0x0000, 0x00007fff8f531638 libc++.1.dylib`std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::operator=(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) + 14, stop reason = signal SIGSTOP<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> * frame #0: 0x00007fff8f531638 libc++.1.dylib`std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::operator=(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) + 14<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> frame #1: 0x0000000107c6f411 nfd`boost::program_options::typed_value<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, char>::notify(boost::any const&) const + 97<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> frame #2: 0x0000000108156319 libboost_program_options-mt.dylib`boost::program_options::store(boost::program_options::basic_parsed_options<char> const&, boost::program_options::variables_map&, bool) + 1353<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> frame #3: 0x0000000107c6332d nfd`main + 493<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> frame #4: 0x00007fff8f8a25ad libdyld.dylib`start + 1<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> frame #5: 0x00007fff8f8a25ad libdyld.dylib`start + 1<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><br><br></span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Possibly, something with libc++/libstdc++ libraries mismatch...<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><div><div><div><div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'>Thanks, <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'>-- <br>Peter Gusev<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'><br><a href="mailto:peter@remap.ucla.edu">peter@remap.ucla.edu</a><br>+1 213 5872748<br>peetonn_ (skype)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'>Software Engineer/Programmer Analyst @ REMAP UCLA<br><br>Video streaming/ICN networks/Creative Development<o:p></o:p></span></p></div></div></div></div></div></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>