I’d say you’re doing pretty well for a first time gdb user ;-)
I’m guessing: p interface_list returns 0, so it looks like OOR has no
interfaces configured. I’m guessing it started without parsing the config file.
Try something like:
sudo gdb --args $binary -f $config_file
Cheers,
Florin
> On Feb 14, 2017, at 10:16 PM, José Miguel Guzmán <jmguz...@whitestack.com>
> wrote:
>
> Great, I didn´t know about how to hable SIG35 (first time using gdb
>
> I saw several logs like these
> [2017/2/15 3:13:3] WARNING: write signal 35: Bad file descriptor
> [2017/2/15 3:13:4] WARNING: write signal 35: Bad file descriptor
> [2017/2/15 3:13:5] WARNING: write signal 35: Bad file descriptor
> [2017/2/15 3:13:6] WARNING: write signal 35: Bad file descriptor
> [2017/2/15 3:13:7] WARNING: write signal 35: Bad file descriptor
> [2017/2/15 3:13:8] WARNING: write signal 35: Bad file descriptor
> [2017/2/15 3:13:9] WARNING: write signal 35: Bad file descriptor
>
>
> And finally:
>
> [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
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x0003e8a4 in get_interface_with_address (address=address@entry=0xbefff7a4)
> at iface_list.c:354
> 354 glist_for_each_entry(iface_it,interface_list){
> (gdb)
> (gdb)
> (gdb)
> (gdb)
> (gdb)
> (gdb) bt
> #0 0x0003e8a4 in get_interface_with_address
> (address=address@entry=0xbefff7a4) at iface_list.c:354
> #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
> #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
> #3 0x0001ddf0 in tr_recv_map_request (uc=0xbefff7a4, buf=<optimized out>,
> xtr=0xb6de8150) at control/lisp_xtr.c:467
> #4 xtr_recv_msg (dev=0xb6de8150, msg=<optimized out>, uc=0xbefff7a4) at
> control/lisp_xtr.c:2127
> #5 0x00021228 in tun_control_dp_recv_msg (sl=<optimized out>) at
> control/control-data-plane/tun/cdp_tun.c:171
> #6 0x0003a40c in sock_process_fd (lst=0xb6de8070, fdset=0xb6de8080) at
> lib/sockets.c:245
> #7 sockmstr_process_all (m=0xb6de8070) at lib/sockets.c:271
> #8 0x000123ec in main (argc=<optimized out>, argv=<optimized out>) at
> oor.c:503
>
> I will keep gdb console open, in case you need something else.
>
>
> El mié., 15 feb. 2017 a las 3:09, Florin Coras (<fcoras.li...@gmail.com
> <mailto:fcoras.li...@gmail.com>>) escribió:
> Hi,
>
> Did you try: handle SIG35 noprint nostop?
>
> Florin
>
>
>> On Feb 14, 2017, at 10:00 PM, José Miguel Guzmán <jmguz...@whitestack.com
>> <mailto:jmguz...@whitestack.com>> wrote:
>>
>
>> I have been trying to run it under gdb, but I am not sure if I am doing it
>> correctly
>>
>> When running in gdb, it fails immediately (not the same when running w/o gdb)
>>
>> With gdb:
>> # rm /var/run/oor.pid; gdb --directory /root/oor-1.1.1/oor /usr/sbin/oor
>>
>> [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.
>>
>> Program received signal SIG35, Real-time event 35.
>> 0xb6fd41a4 in __clone () from /lib/ld-musl-armhf.so.1
>> (gdb) bt full
>> #0 0xb6fd41a4 in __clone () from /lib/ld-musl-armhf.so.1
>> No symbol table info available.
>> #1 0xb6fd4ec8 in ?? () from /lib/ld-musl-armhf.so.1
>> No symbol table info available.
>> Backtrace stopped: previous frame identical to this frame (corrupt stack?)
>>
>> I am not sure if this is what you need.
>>
>>
>> El mié., 15 feb. 2017 a las 2:37, Lori Jakab (<lorand.ja...@gmail.com
>> <mailto:lorand.ja...@gmail.com>>) escribió:
>> On Wed, Feb 15, 2017 at 4:47 AM, José Miguel Guzmán <jmguz...@whitestack.com
>> <mailto:jmguz...@whitestack.com>> wrote:
>> Hi
>>
>> I think I understand the configuration of OOR much better now, but I
>> realized that OOR is crashing (about every 30m)
>>
>> [...]
>>
>>
>> What kind of information would be useful to collect, to be able to
>> troubleshoot?
>>
>> 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.
>>
>> -Lori
>> --
>>
>> José Miguel Guzmán
>> Senior Network Consultant
>> Latin America & Caribbean
>> +1 (650) 248-2490 <tel:+16502482490>
>> +56 (9) 9064-2780 <tel:+56990642780>
>> jmguz...@whitestack.com <mailto:jmguz...@whitestack.com>
>> jmguzmanc <>
>> _______________________________________________
>> Users mailing list
>> Users@openoverlayrouter.org <mailto:Users@openoverlayrouter.org>
>> http://mail.openoverlayrouter.org/cgi-bin/mailman/listinfo/users
>> <http://mail.openoverlayrouter.org/cgi-bin/mailman/listinfo/users>
> --
>
> José Miguel Guzmán
> Senior Network Consultant
> Latin America & Caribbean
> +1 (650) 248-2490 <tel:+16502482490>
> +56 (9) 9064-2780 <tel:+56990642780>
> jmguz...@whitestack.com <mailto:jmguz...@whitestack.com>
> jmguzmanc <>
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