[Kamailio-Users] [sr-dev] kamailio / deadlock3

[Aymeric Moizard]

On Thu, 28 Jan 2010, Andrei Pelinescu-Onciul wrote:

> On Jan 28, 2010 at 14:56, Daniel-Constantin Mierla <miconda at gmail.com> wrote:
>> I am cc-ing sr-dev, since tcp code is from ser and Andrei may have more
>> insights...
>
> Is this kamailio 1.5 or kamailio 3.0 (looks like <3.0 to me)?

This is branches/1.5
With svn version 5949.

Here is the debug backtrace: with kamailio-dbg_1.5.0_i386.deb installed:

(gdb) bt
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb7d694ac in sched_yield () from /lib/tls/i686/cmov/libc.so.6
#2  0x080a93fd in tcp_send (send_sock=0x8159d60, type=3,
     buf=0xb3992908 "SUBSCRIBE sip:aymeric2 at mobipouce.com 
SIP/2.0\r\nRecord-Route: 
<sip:91.121.81.212:5061;transport=tls;r2=on;lr=on>\r\nRecord-Route: 
<sip:91.121.81.212;r2=on;lr=on>\r\nVia: SIP/2.0/TLS 
91.121.81.212:5061;branc"..., len=645, to=0xb392f494, id=0) at 
fastlock.h:182
#3  0xb79ef679 in send_pr_buffer (rb=0xb392f480, buf=0xb3992908, len=645) 
at ../../forward.h:127
#4  0xb79f29ac in t_forward_nonack (t=0xb392f368, p_msg=0x81d02d8, 
proxy=0x0) at t_fwd.c:691
#5  0xb79ee784 in t_relay_to (p_msg=0x81d02d8, proxy=0x0, flags=<value 
optimized out>) at t_funcs.c:264
#6  0xb79fda11 in w_t_relay (p_msg=0x81d02d8, proxy=0x0, flags=0x0) at 
tm.c:1002
#7  0x080551ef in do_action (a=0x8172100, msg=0x81d02d8) at action.c:874
#8  0x080577df in run_action_list (a=0x8172100, msg=0x81d02d8) at 
action.c:145
#9  0x0808f11b in eval_expr (e=0x8172168, msg=0x81d02d8, val=0x0) at 
route.c:1171
#10 0x0808ebb0 in eval_expr (e=0x8172190, msg=0x81d02d8, val=0x0) at 
route.c:1488
#11 0x0808eb3f in eval_expr (e=0x81721b8, msg=0x81d02d8, val=0x0) at 
route.c:1493
#12 0x08055005 in do_action (a=0x81722d0, msg=0x81d02d8) at action.c:729
#13 0x080577df in run_action_list (a=0x8171928, msg=0x81d02d8) at 
action.c:145
#14 0x08055e49 in do_action (a=0x816ba50, msg=0x81d02d8) at action.c:120
#15 0x080577df in run_action_list (a=0x816ba50, msg=0x81d02d8) at 
action.c:145
#16 0x08056d0f in do_action (a=0x816bab8, msg=0x81d02d8) at action.c:746
#17 0x080577df in run_action_list (a=0x81618c0, msg=0x81d02d8) at 
action.c:145
#18 0x08057b93 in run_top_route (a=0x81618c0, msg=0x81d02d8) at 
action.c:120
#19 0x08083a0d in receive_msg (
     buf=0x81341c0 "SUBSCRIBE sip:aymeric2 at mobipouce.com SIP/2.0\r\nVia: 
SIP/2.0/UDP 192.168.2.3:6010;rport;branch=z9hG4bK972183375\r\nFrom: 
\"aymeric\" <sip:antisip at sip.antisip.com>;tag=286101806\r\nTo: 
<sip:aymeric2 at mobipouce."..., len=692, rcv_info=0xbfc9ad54) at 
receive.c:175
#20 0x080b3943 in udp_rcv_loop () at udp_server.c:460
#21 0x0806b294 in main (argc=-1211358212, argv=0xb7f61590) at main.c:774

One thing that didn't came up before is that it seems the message
is containing TLS, not TCP. I don't have time to analyse it now
deeper, but I may try to change the SRV to see how it differ.

Tks,
Aymeric