
<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Iâ€™d say youâ€™re doing pretty well for a first time gdb user ;-)<div class=""><br class=""></div><div class="">Iâ€™m guessing: p interface_list returns 0, so it looks like OOR has no interfaces configured. Iâ€™m guessing it started without parsing the config file. Try something like:</div><div class=""><br class=""></div><div class=""><div style="margin: 0px; line-height: normal;" class=""><font face="Monaco" class=""><span style="font-size: 11px;" class="">sudo gdb --args $binary -f $config_file</span></font></div></div><div class=""><br class=""></div><div class="">Cheers, </div><div class="">Florin</div><div class=""><br class=""></div><div class=""><div><blockquote type="cite" class=""><div class="">On Feb 14, 2017, at 10:16 PM, JosÃ© Miguel GuzmÃ¡n <<a href="mailto:jmguzman@whitestack.com" class="">jmguzman@whitestack.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div dir="ltr" class="gmail_msg">Great, I didnÂ´t know about how to hable SIG35 (first time using gdb<div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">I saw several logs like these</div><div class="gmail_msg"><div class="gmail_msg"><font face="monospace" class="">[2017/2/15 3:13:3] WARNING: write signal 35: Bad file descriptor</font></div><div class="gmail_msg"><font face="monospace" class="">[2017/2/15 3:13:4] WARNING: write signal 35: Bad file descriptor</font></div><div class="gmail_msg"><font face="monospace" class="">[2017/2/15 3:13:5] WARNING: write signal 35: Bad file descriptor</font></div><div class="gmail_msg"><font face="monospace" class="">[2017/2/15 3:13:6] WARNING: write signal 35: Bad file descriptor</font></div><div class="gmail_msg"><font face="monospace" class="">[2017/2/15 3:13:7] WARNING: write signal 35: Bad file descriptor</font></div><div class="gmail_msg"><font face="monospace" class="">[2017/2/15 3:13:8] WARNING: write signal 35: Bad file descriptor</font></div><div class="gmail_msg"><font face="monospace" class="">[2017/2/15 3:13:9] WARNING: write signal 35: Bad file descriptor</font></div></div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">And finally:<br class="gmail_msg"><div class="gmail_msg"><font face="monospace" class=""><br class="gmail_msg"></font></div><div class="gmail_msg"><div class="gmail_msg"><font face="monospace" class="">[2017/2/15 3:13:30] DEBUG: Sending Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,Map-Reply-> flags:P=1,E=0,S=0,ecord-count: 1, nonce: 9473ea437bfbf19e</font></div><div class="gmail_msg"><font face="monospace" class=""><br class=""></font></div><div class="gmail_msg"><font face="monospace" class=""><b class="">Program received signal SIGSEGV, Segmentation fault.</b></font></div><div class="gmail_msg"><font face="monospace" class="">0x0003e8a4 in get_interface_with_address (address=address@entry=0xbefff7a4) at iface_list.c:354</font></div><div class="gmail_msg"><font face="monospace" class="">354         glist_for_each_entry(iface_it,interface_list){</font></div><div class="gmail_msg"><font face="monospace" class="">(gdb)</font></div><div class="gmail_msg"><font face="monospace" class="">(gdb)</font></div><div class="gmail_msg"><font face="monospace" class="">(gdb)</font></div><div class="gmail_msg"><font face="monospace" class="">(gdb)</font></div><div class="gmail_msg"><font face="monospace" class="">(gdb)</font></div><div class="gmail_msg"><font face="monospace" class="">(gdb) bt</font></div><div class="gmail_msg"><font face="monospace" class="">#0  0x0003e8a4 in get_interface_with_address (address=address@entry=0xbefff7a4) at iface_list.c:354</font></div><div class="gmail_msg"><font face="monospace" class="">#1  0x00021660 in tun_control_dp_get_output_ctrl_sock (data=0x68cb0, udp_conn=udp_conn@entry=0xbefff7a4) at control/control-data-plane/tun/cdp_tun.c:411</font></div><div class="gmail_msg"><font face="monospace" class="">#2  0x00021784 in tun_control_dp_send_msg (ctrl=<optimized out>, buff=0xb6e01a90, udp_conn=0xbefff7a4) at control/control-data-plane/tun/cdp_tun.c:191</font></div><div class="gmail_msg"><font face="monospace" class="">#3  0x0001ddf0 in tr_recv_map_request (uc=0xbefff7a4, buf=<optimized out>, xtr=0xb6de8150) at control/lisp_xtr.c:467</font></div><div class="gmail_msg"><font face="monospace" class="">#4  xtr_recv_msg (dev=0xb6de8150, msg=<optimized out>, uc=0xbefff7a4) at control/lisp_xtr.c:2127</font></div><div class="gmail_msg"><font face="monospace" class="">#5  0x00021228 in tun_control_dp_recv_msg (sl=<optimized out>) at control/control-data-plane/tun/cdp_tun.c:171</font></div><div class="gmail_msg"><font face="monospace" class="">#6  0x0003a40c in sock_process_fd (lst=0xb6de8070, fdset=0xb6de8080) at lib/sockets.c:245</font></div><div class="gmail_msg"><font face="monospace" class="">#7  sockmstr_process_all (m=0xb6de8070) at lib/sockets.c:271</font></div><div class="gmail_msg"><font face="monospace" class="">#8  0x000123ec in main (argc=<optimized out>, argv=<optimized out>) at oor.c:503</font></div><div class="gmail_msg"><br class=""></div><div class="gmail_msg">I will keep gdb console open, in case you need something else.</div><div class="gmail_msg"><br class=""></div></div></div></div><br class="gmail_msg"><div class="gmail_quote gmail_msg"><div dir="ltr" class="gmail_msg">El miÃ©., 15 feb. 2017 a las 3:09, Florin Coras (<<a href="mailto:fcoras.lists@gmail.com" class="gmail_msg" target="_blank">fcoras.lists@gmail.com</a>>) escribiÃ³:<br class="gmail_msg"></div><blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="gmail_msg">Hi, <div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">Did you try: <span class="gmail_msg">handle SIG35 noprint nostop?</span></div><div class="gmail_msg"><span class="gmail_msg"><br class="gmail_msg"></span></div><div class="gmail_msg"><div class="gmail_msg">Florin</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg"><blockquote type="cite" class="gmail_msg"></blockquote></div></div></div><div style="word-wrap:break-word" class="gmail_msg"><div class="gmail_msg"><div class="gmail_msg"><blockquote type="cite" class="gmail_msg"><div class="gmail_msg">On Feb 14, 2017, at 10:00 PM, JosÃ© Miguel GuzmÃ¡n <<a href="mailto:jmguzman@whitestack.com" class="gmail_msg" target="_blank">jmguzman@whitestack.com</a>> wrote:</div><br class="m_-1260298257526539513m_-322305632434853857Apple-interchange-newline gmail_msg"></blockquote></div></div></div><div style="word-wrap:break-word" class="gmail_msg"><div class="gmail_msg"><div class="gmail_msg"><blockquote type="cite" class="gmail_msg"><div class="gmail_msg"><div dir="ltr" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class="gmail_msg">I have been trying to run it under gdb, but I am not sure if I am doing it correctly<div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">When running in gdb, it fails immediately (not the same when running w/o gdb)</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">With gdb:</div><div class="gmail_msg"><b style="font-family:monospace" class="gmail_msg"># rm /var/run/oor.pid; gdb --directory /root/oor-1.1.1/oor /usr/sbin/oor</b><br class="gmail_msg"></div><div class="gmail_msg"><div class="gmail_msg"><font face="monospace" class="gmail_msg"><br class="gmail_msg"></font></div><div class="gmail_msg"><font face="monospace" class="gmail_msg">[2017/2/15 2:58:55] WARNING: No Proxy-ETR defined. Packets to non-LISP destinations will be forwarded natively (no LISP encapsulation). This may prevent mobility in some scenarios.</font></div><div class="gmail_msg"><font face="monospace" class="gmail_msg"><br class="gmail_msg"></font></div><div class="gmail_msg"><font face="monospace" class="gmail_msg">Program received signal SIG35, Real-time event 35.</font></div><div class="gmail_msg"><font face="monospace" class="gmail_msg">0xb6fd41a4 in __clone () from /lib/ld-musl-armhf.so.1</font></div><div class="gmail_msg"><font face="monospace" class="gmail_msg">(gdb) bt full</font></div><div class="gmail_msg"><font face="monospace" class="gmail_msg">#0  0xb6fd41a4 in __clone () from /lib/ld-musl-armhf.so.1</font></div><div class="gmail_msg"><font face="monospace" class="gmail_msg">No symbol table info available.</font></div><div class="gmail_msg"><font face="monospace" class="gmail_msg">#1  0xb6fd4ec8 in ?? () from /lib/ld-musl-armhf.so.1</font></div><div class="gmail_msg"><font face="monospace" class="gmail_msg">No symbol table info available.</font></div><div class="gmail_msg"><font face="monospace" class="gmail_msg">Backtrace stopped: previous frame identical to this frame (corrupt stack?)</font></div></div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">I am not sure if this is what you need.</div><div class="gmail_msg"><br class="gmail_msg"></div></div><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class="gmail_msg"><div class="gmail_quote gmail_msg" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div dir="ltr" class="gmail_msg">El miÃ©., 15 feb. 2017 a las 2:37, Lori Jakab (<<a href="mailto:lorand.jakab@gmail.com" class="gmail_msg" target="_blank">lorand.jakab@gmail.com</a>>) escribiÃ³:<br class="gmail_msg"></div><blockquote class="gmail_quote gmail_msg" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr" class="gmail_msg">On Wed, Feb 15, 2017 at 4:47 AM, JosÃ© Miguel GuzmÃ¡n<span class="m_-1260298257526539513m_-322305632434853857Apple-converted-space gmail_msg"> </span><span dir="ltr" class="gmail_msg"><<a href="mailto:jmguzman@whitestack.com" class="gmail_msg" target="_blank">jmguzman@whitestack.com</a>></span><span class="m_-1260298257526539513m_-322305632434853857Apple-converted-space gmail_msg"> </span>wrote:<br class="gmail_msg"></div><div dir="ltr" class="gmail_msg"><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg"><blockquote class="gmail_quote gmail_msg" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr" class="gmail_msg">Hi<div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">I think I understand the configuration of OOR much better now, but I realized that OOR is crashing (about every 30m)</div></div></blockquote><div class="gmail_msg"><br class="gmail_msg"></div></div></div></div><div dir="ltr" class="gmail_msg"><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg"><div class="gmail_msg">[...]</div></div></div></div><div dir="ltr" class="gmail_msg"><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg"><div class="gmail_msg"> </div><blockquote class="gmail_quote gmail_msg" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr" class="gmail_msg"><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">What kind of information would be useful to collect, to be able to troubleshoot?</div></div></blockquote><div class="gmail_msg"><br class="gmail_msg"></div></div></div></div><div dir="ltr" class="gmail_msg"><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg"><div class="gmail_msg">Is it possible to start OOR under gdb on OpenWrt? In that case, when the segmentation fault occurs you can get a backtrace, which would show the call graph causing the crash.</div></div></div></div><div dir="ltr" class="gmail_msg"><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg"><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">-Lori <br class="gmail_msg"></div></div></div></div></blockquote></div><div dir="ltr" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class="gmail_msg">--<span class="m_-1260298257526539513m_-322305632434853857Apple-converted-space gmail_msg"> </span><br class="gmail_msg"></div><div data-smartmail="gmail_signature" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class="gmail_msg"><div dir="ltr" class="gmail_msg"><table cellpadding="0" cellspacing="0" style="font-family:'trebuchet ms',arial,sans-serif;font-size:11px" class="gmail_msg"><tbody class="gmail_msg"><tr class="gmail_msg"><td colspan="3" class="gmail_msg"><img src="http://www.whitestack.com/static/whitestack_signature.png" class="gmail_msg"></td></tr><tr class="gmail_msg"><td width="31px" class="gmail_msg"></td><td colspan="3" class="gmail_msg"><b class="gmail_msg">JosÃ© Miguel GuzmÃ¡n<br class="gmail_msg"></b>Senior Network Consultant<br class="gmail_msg">Latin America & Caribbean<br class="gmail_msg"></td></tr><tr class="gmail_msg"><td class="gmail_msg"></td><td class="m_-1260298257526539513m_-322305632434853857inbox-inbox-icon gmail_msg" valign="top"><img src="http://www.whitestack.com/static/phone-icon.png" class="gmail_msg"></td><td class="m_-1260298257526539513m_-322305632434853857inbox-inbox-info gmail_msg" valign="top">  <a href="tel:+16502482490" class="gmail_msg" target="_blank">+1 (650) 248-2490</a><br class="gmail_msg">  <a href="tel:+56990642780" class="gmail_msg" target="_blank">+56 (9) 9064-2780</a></td></tr><tr class="gmail_msg"><td class="gmail_msg"></td><td class="m_-1260298257526539513m_-322305632434853857inbox-inbox-icon gmail_msg" valign="top"><img src="http://www.whitestack.com/static/email-icon.png" class="gmail_msg"></td><td class="m_-1260298257526539513m_-322305632434853857inbox-inbox-info gmail_msg" valign="top">  <a href="mailto:jmguzman@whitestack.com" class="gmail_msg" target="_blank">jmguzman@whitestack.com</a></td></tr><tr class="gmail_msg"><td class="gmail_msg"></td><td class="m_-1260298257526539513m_-322305632434853857inbox-inbox-icon gmail_msg" valign="top"><img src="http://www.whitestack.com/static/skype-icon.png" class="gmail_msg"></td><td class="m_-1260298257526539513m_-322305632434853857inbox-inbox-info gmail_msg" valign="top">  <a class="gmail_msg">jmguzmanc</a></td></tr></tbody></table></div></div></div></blockquote></div></div></div><div style="word-wrap:break-word" class="gmail_msg"><div class="gmail_msg"><div class="gmail_msg"><blockquote type="cite" class="gmail_msg"><div class="gmail_msg"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important" class="gmail_msg">_______________________________________________</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class="gmail_msg"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important" class="gmail_msg">Users mailing list</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class="gmail_msg"><a href="mailto:Users@openoverlayrouter.org" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class="gmail_msg" target="_blank">Users@openoverlayrouter.org</a><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class="gmail_msg"><a href="http://mail.openoverlayrouter.org/cgi-bin/mailman/listinfo/users" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class="gmail_msg" target="_blank">http://mail.openoverlayrouter.org/cgi-bin/mailman/listinfo/users</a></div></blockquote></div><br class="gmail_msg"></div></div></blockquote></div></div><div dir="ltr" class="">-- <br class=""></div><div data-smartmail="gmail_signature" class=""><div dir="ltr" class=""><table cellpadding="0" cellspacing="0" style="font-family:'trebuchet ms',arial,sans-serif;font-size:11px" class=""><tbody class=""><tr class=""><td colspan="3" class=""><img src="http://www.whitestack.com/static/whitestack_signature.png" class=""></td></tr><tr class=""><td width="31px" class=""></td><td colspan="3" class=""><b class="">JosÃ© Miguel GuzmÃ¡n<br class=""></b>Senior Network Consultant<br class="">Latin America & Caribbean<br class=""></td></tr><tr class=""><td class=""></td><td class="inbox-inbox-icon" valign="top"><img src="http://www.whitestack.com/static/phone-icon.png" class=""></td><td class="inbox-inbox-info" valign="top">  <a href="tel:+16502482490" class="">+1 (650) 248-2490</a><br class="">  <a href="tel:+56990642780" class="">+56 (9) 9064-2780</a></td></tr><tr class=""><td class=""></td><td class="inbox-inbox-icon" valign="top"><img src="http://www.whitestack.com/static/email-icon.png" class=""></td><td class="inbox-inbox-info" valign="top">  <a href="mailto:jmguzman@whitestack.com" class="">jmguzman@whitestack.com</a></td></tr><tr class=""><td class=""></td><td class="inbox-inbox-icon" valign="top"><img src="http://www.whitestack.com/static/skype-icon.png" class=""></td><td class="inbox-inbox-info" valign="top">  <a class="">jmguzmanc</a></td></tr></tbody></table></div></div>

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