<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Hi Alex, </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">The default config. Yes, I installed ndn-cxx from the latest github repo. Rest everything is from PPA packages. <br>Also, later I updated the nfd config file to able to see all kinds of logs and found the following </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">May 29 19:31:22 ndn nfd[19535]: Built with GNU C++ version 7.4.0, with GNU libst<br></span><span style="color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">dc++ version 20181206, with Boost version 1.65.1, with libpcap version 1.8.1, with WebSocket++ version 0.8.1, with ndn-cxx version 0.7.0<br></span><span style="color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">May 29 19:31:22 ndn nfd[19535]: 1590780682.559738 INFO: [nfd.FaceTable] Added face id=255 remote=null:// local=null://<br></span><span style="color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">May 29 19:31:22 ndn nfd[19535]: 1590780682.561301 INFO: [nfd.FaceTable] Added face id=254 remote=contentstore:// local=contentstore://<br></span><span style="color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">May 29 19:31:22 ndn nfd[19535]: 1590780682.561483 INFO: [nfd.CsPolicy] setLimit 10<br></span><span style="color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">May 29 19:31:22 ndn nfd[19535]: 1590780682.561906 INFO: [nfd.StrategyChoice] setDefaultStrategy /8=localhost/8=nfd/8=strategy/8=best-route/8=%FD%05<br></span><span style="color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">May 29 19:31:22 ndn nfd[19535]: 1590780682.562793 INFO: [nfd.FaceTable] Added face id=1 remote=internal:// local=internal://<br></span><i><b style="box-sizing:inherit;color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">May 29 19:31:22 ndn kernel: nfd[19535]: segfault at 0 ip 00005579576038c8 sp 000<br></b><b style="box-sizing:inherit;color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">07ffc63e384b0 error 4 in nfd[557957481000+2d1000]<br></b><b style="box-sizing:inherit;color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">May 29 19:31:22 ndn systemd[1]: nfd.service: Main process exited, code=dumped, status=11/SEGV<br></b><b style="box-sizing:inherit;color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">May 29 19:31:24 ndn systemd[1]: nfd.service: Failed with result 'core-dump'.<br></b></i><b style="box-sizing:inherit;color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)"><i>May 29 19:31:24 ndn systemd[1]: Failed to start NDN Forwarding Daemon.</i><br></b><span style="color:rgb(29,28,29);font-family:Slack-Lato,appleLogo,sans-serif;font-variant-ligatures:common-ligatures;background-color:rgb(248,248,248)">-- Subject: Unit nfd.service has failed</span></blockquote><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Looks like a null pointer read when the nfd executable is being called. </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><font face="tahoma, sans-serif"><span style="font-size:12.8px">Regards,</span><br style="font-size:12.8px"><span style="font-size:12.8px">Ishita Dasgupta</span><br style="font-size:12.8px"></font></div></div></div></div></div></div></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, May 29, 2020 at 8:19 PM Alex Afanasyev <<a href="mailto:aa@cs.fiu.edu">aa@cs.fiu.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;">Is this with the default config and everything (NFD) installed from PPA packages? Or did you compile "the latest versions" from the git?<div><br></div><div>-</div><div>Alex<br><div><br><blockquote type="cite"><div>On May 29, 2020, at 3:20 PM, Ishita Dasgupta via Nfd-dev <<a href="mailto:nfd-dev@lists.cs.ucla.edu" target="_blank">nfd-dev@lists.cs.ucla.edu</a>> wrote:</div><br><div><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Hi, </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">I have the latest versions of nfd & ndn-cxx installed in a Ubuntu 18.04 VM. When I try to start the nfd (systemctl start nfd), It fails with the following message. </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><i>Job for nfd.service failed because a fatal signal was delivered causing the control process to dump core.See "systemctl status nfd.service" and "journalctl -xe" for details</i></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-family:tahoma,sans-serif"><b>journalctl -xe:</b></span></blockquote></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div class="gmail_default" style="font-family:tahoma,sans-serif"><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote"><span> </span><i>nfd.service - NDN Forwarding Daemon<br><span> </span>Loaded: loaded (/lib/systemd/system/nfd.service; enabled; vendor preset: enabled)<br><span> </span>Active: activating (start-post) (Result: core-dump) since Fri 2020-05-29 19:07:32 UTC; 1s ago<br><span> </span>Docs:<span> <br></span><span style="white-space:pre-wrap"> </span> <span> </span>man:nfd<br><span> </span>man:nfdc<br><span> </span>man:nfd-status<br><span> </span>Process: 28440 ExecStart=/usr/bin/nfd --config /etc/ndn/nfd.conf (code=dumped,signal=SEGV)<br><span> </span>Main PID: 28440 (code=dumped, signal=SEGV); Control PID: 28441 (sh)<br><span> </span>Tasks: 2 (limit: 2317)<br><span> </span>CGroup: /system.slice/nfd.service<br><span> </span>├─28441 /bin/sh -ec sleep 2; if [ -f /etc/ndn/nfd-init.sh ]; then . /etc/ndn/nfd-init.sh; fi<br><span> </span>└─28453 sleep 2<br>May 29 19:07:32 ndn systemd[1]: Starting NDN Forwarding Daemon...<br>May 29 19:07:32 ndn nfd[28440]: NFD version 0.7.0 starting<br>May 29 19:07:32 ndn nfd[28440]: Built with GNU C++ version 7.4.0, with GNU libstdc++ version 20181206, with Boost version 1.65.1, with libpcap version 1.8.1, with WebSocket++ version 0.8.1, with ndn-cxx version 0.7.0<br>May 29 19:07:32 ndn nfd[28440]: 1590779252.314544<span> </span>INFO: [nfd.FaceTable] Added face id=255 remote=null:// local=null://<br>May 29 19:07:32 ndn nfd[28440]: 1590779252.315551<span> </span>INFO: [nfd.FaceTable] Added face id=254 remote=contentstore:// local=contentstore://<br>May 29 19:07:32 ndn nfd[28440]: 1590779252.315974<span> </span>INFO: [nfd.CsPolicy] setLimit 10<br>May 29 19:07:32 ndn nfd[28440]: 1590779252.316662<span> </span>INFO: [nfd.StrategyChoice] setDefaultStrategy /8=localhost/8=nfd/8=strategy/8=best-route/8=%FD%05<br>May 29 19:07:32 ndn nfd[28440]: 1590779252.317799<span> </span>INFO: [nfd.FaceTable] Added face id=1 remote=internal:// local=internal://<br>May 29 19:07:32 ndn systemd[1]: nfd.service: Main process exited, code=dumped, status=11/SEGV</i></blockquote></div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div class="gmail_default" style="font-family:tahoma,sans-serif"><div><br></div></div></blockquote><span style="font-family:tahoma,sans-serif">Could anyone help me understand why this might be happening? </span><div><font face="tahoma, sans-serif"><br></font><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><font face="tahoma, sans-serif"><span style="font-size:12.8px">Regards,</span><br style="font-size:12.8px"><span style="font-size:12.8px">Ishita Dasgupta</span><br style="font-size:12.8px"></font><br></div></div></div></div></div></div></div></div></div></div></div>
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<div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">______________<br>Alex Afanasyev<br>Assistant Professor, SCIS, Florida International University<br>11200 SW 8th Street, PG6 Room 140D, Miami, FL 33199<br>phone: +1.305.348.4960 (office); <a href="mailto:aa@cs.fiu.edu" target="_blank">email: aa@cs.fiu.edu</a><br>web: <a href="https://users.cs.fiu.edu/~afanasyev/" target="_blank">https://users.cs.fiu.edu/~afanasyev/</a><br><br></div>
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