[OpenSIPS-Users] SRV lookup causes OpenSIPS to exit signal 11

Jeff Pyle jpyle at fidelityvoice.com
Wed Oct 15 14:22:46 CEST 2008


Bogdan,

I think I figured it out.  Let me know if this is what you're looking
for:

Program received signal SIGSEGV, Segmentation fault.
do_srv_lookup (name=0x8166620 "_sip._udp.ns.onvoip.net", port=0x81c05ae,
dn=0x81c05c8) at resolve.c:810
810						else {crt2->next =
crt->next;}
(gdb) bt
#0  do_srv_lookup (name=0x8166620 "_sip._udp.ns.onvoip.net",
port=0x81c05ae, dn=0x81c05c8) at resolve.c:810
#1  0x08099f42 in sip_resolvehost (name=0xbff8268c, port=0x81c05ae,
proto=0x81c05b0, is_sips=0, dn=0x81c05c8)
    at resolve.c:1247
#2  0x080820c6 in mk_proxy (name=0xbff8268c, port=0, proto=0, is_sips=0)
at proxy.c:252
#3  0x0012fbb4 in add_uac (t=0xb6119a40, request=0x81bfc98,
uri=0xbff82858, next_hop=0xbff82860, path=0x81bffb4, 
    proxy=0x0) at ut.h:111
#4  0x001307eb in t_forward_nonack (t=0xb6119a40, p_msg=0x81bfc98,
proxy=0x0) at t_fwd.c:615
#5  0x0012c7b4 in t_relay_to (p_msg=0x81bfc98, proxy=0x0, flags=<value
optimized out>) at t_funcs.c:252
#6  0x0013f5b1 in w_t_relay (p_msg=0x81bfc98, proxy=0x0, flags=0x2
<Address 0x2 out of bounds>) at tm.c:962
#7  0x08052fa6 in do_action (a=0x81b0b40, msg=0x81bfc98) at action.c:845
#8  0x08055819 in run_action_list (a=0x81b0b40, msg=0x81bfc98) at
action.c:138
#9  0x080a4724 in eval_expr (e=0x81b0ba8, msg=0x81bfc98, val=0x0) at
route.c:1104
#10 0x080a419f in eval_expr (e=0x81b0bd0, msg=0x81bfc98, val=0x0) at
route.c:1417
#11 0x080a4135 in eval_expr (e=0x81b0bf8, msg=0x81bfc98, val=0x0) at
route.c:1422
#12 0x08052a87 in do_action (a=0x81b0d10, msg=0x81bfc98) at action.c:700
#13 0x08055819 in run_action_list (a=0x81afb90, msg=0x81bfc98) at
action.c:138
#14 0x08054088 in do_action (a=0x81b3958, msg=0x81bfc98) at action.c:118
#15 0x08055819 in run_action_list (a=0x81b0f78, msg=0x81bfc98) at
action.c:138
#16 0x08054088 in do_action (a=0x81aee50, msg=0x81bfc98) at action.c:118
#17 0x08055819 in run_action_list (a=0x81aede8, msg=0x81bfc98) at
action.c:138
#18 0x080544c5 in do_action (a=0x81aeeb8, msg=0x81bfc98) at action.c:717
#19 0x08055819 in run_action_list (a=0x81aab00, msg=0x81bfc98) at
action.c:138
#20 0x08055bb3 in run_top_route (a=0x81aab00, msg=0x81bfc98) at
action.c:118
#21 0x08094f59 in receive_msg (
    buf=0x81790a0 "INVITE sip:3032391067 at dproxy2.sip.fidelityvoice.com
SIP/2.0\r\nVia: SIP/2.0/UDP
207.58.201.66:5060;branch=z9hG4bK08abb726;rport\r\nFrom: \"Jeff Pyle\"
<sip:2162454106 at 207.58.201.66>;tag=as4af3b8bf\r\nTo: <sip"..., 
    len=915, rcv_info=0xbff83c34) at receive.c:165
#22 0x080d7ab7 in udp_rcv_loop () at udp_server.c:449
#23 0x0806d5ce in main (argc=1, argv=0xbff83e24) at main.c:780


- Jeff


-----Original Message-----
From: Bogdan-Andrei Iancu [mailto:bogdan at voice-system.ro] 
Sent: Wednesday, October 15, 2008 6:10 AM
To: Jeff Pyle
Cc: users at lists.opensips.org
Subject: Re: [OpenSIPS-Users] SRV lookup causes OpenSIPS to exit signal
11

Hi Jeff,

do you have a backtrace or something? maybe the guilty code the new SRV
balancer that was introduced in 1.4.0 ....and it is alpha code.

Regards,
Bogdan

Jeff Pyle wrote:
> Hello,
>  
> I'm running OpenSIPS from the opensips_1_4 trunk on SVN (downloaded 
> last week).  It seems that about 50% of the time an SRV lookup causes 
> OpenSIPS to exit signal 11:
>  
> DBG:core:sip_resolvehost: no valid NAPTR record found for 
> ns.onvoip.net, trying direct SRV lookup...
> INFO:core:handle_sigs: child process 19363 exited by a signal 11 When 
> it does not fail, this section of the log looks like:
>  
> DBG:core:sip_resolvehost: no valid NAPTR record found for 
> ns.onvoip.net, trying direct SRV lookup...
> DBG:core:do_srv_lookup: SRV(_sip._udp.ns.onvoip.net) = 
> ns3.onvoip.net:5060
> DBG:core:a2dns_node: storing ns4.onvoip.net:5060
> DBG:core:a2dns_node: storing ns1.onvoip.net:5060
> DBG:core:a2dns_node: storing ns2.onvoip.net:5060 Everything prior to 
> this in the logs is identical between the successful and failed 
> transactions.  Even at debug = 9.
>  
> The location table has the following information on the user:
>  
>            id: 6
>       groupid: 0
>      username: 3032391067
>        domain:
>       contact: sip:3032391067 at ns.onvoip.net
>      received: NULL
>          path: NULL
>       expires: 2020-05-28 21:32:15
>             q: 1.00
>        callid: Default-Call-ID
>          cseq: 13
> last_modified: 2008-04-22 16:25:11
>         flags: 0
>        cflags: 0
>    user_agent:
>        socket: NULL
>       methods: NULL
> I manually inserted this into the database.  It did not come from a 
> registration.
>  
> The route logic is quite simple.  I have:
>  
>         if (!lookup("location")) {
>                 # Stuff that doesn't matter because the lookup was 
> successful in this case
>         }
>         t_on_reply("1");
>         t_on_failure("1");
>         if (!isflagset(26)) {
>                 $(avp(s:acc_callee_user)) = $rU;
>                 avp_printf("$(avp(i:901))",
"$(avp(s:acc_caller_user))");
>                 avp_printf("$(avp(i:902))",
"$(avp(s:acc_callee_user))");
>         }
>  
>         if(is_present_hf("Proxy-Authorization")) { 
> remove_hf("Proxy-Authorization"); }
>  
>         xlog("L_INFO", "-- About to relay...\n");
>         if(!t_relay("0x01")) {
>                 sl_reply_error();
>         }
>         exit;
> Very similar code works okay on OpenSER 1.3.2.  On OpenSIPS 1.4.x it 
> does not seem stable.  I don't know how to determine what's causing it

> to exit.  Any thoughts?
>  
> Thanks,
> Jeff
>  
>  
>
> ----------------------------------------------------------------------
> --
>
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