On Thu, Apr 4, 2013 at 8:28 PM, Dragos Oancea <droancea@yahoo.com> wrote:

Hi Daniel,

Here is the output of `bt full`:

http://pastebin.com/tnrWML3L

Let me know if I can be of any assistance further.

Regards,

Dragos
From: Daniel-Constantin Mierla <miconda@gmail.com>
To: Dragos Oancea <droancea@yahoo.com>; Kamailio (SER) - Development Mailing List <sr-dev@lists.sip-router.org>
Sent: Thursday, April 4, 2013 7:28 PM
Subject: Re: [sr-dev] segfault with t_suspend() / t_continue()
Hello,

could be related, but the issue seems to be while processing a SIP reply, not with suspend/continue of a request. Can you send the output of 'bt full'?

Cheers,
Daniel

On 4/4/13 6:56 PM, Dragos Oancea wrote:
Hello,

I got the following coredump while doing some testing with t_suspend() and t_continue() on the first INVITE:

(gdb) bt

#0 qm_detach_free (qm=0x7fe2dae65000, size=16) at mem/q_malloc.c:269

#1 qm_malloc (qm=0x7fe2dae65000, size=16) at mem/q_malloc.c:386

#2 0x00007fe2e5e6d541 in update_totag_set (t=0x7fe2db0f42d0, ok=<value optimized out>) at t_reply.c:372

#3 0x00007fe2e5e72387 in relay_reply (t=<value optimized out>, p_msg=<value optimized out>, branch=2, msg_status=200, cancel_data=0x7fff63fdf9b0, do_put_on_wait=1) at t_reply.c:1854

#4 0x00007fe2e5e733e6 in reply_received (p_msg=0x7fe2e6a55ba0) at t_reply.c:2370

#5 0x00000000004547f5 in do_forward_reply (msg=0x7fe2e6a55ba0, mode=<value optimized out>) at forward.c:799

#6 0x000000000049a5ba in receive_msg (buf=<value optimized out>, len=961, rcv_info=0x7fff63fdfc40) at receive.c:270

#7 0x00000000005281a6 in udp_rcv_loop () at udp_server.c:544

#8 0x0000000000464d3a in main_loop () at main.c:1638

#9 0x0000000000467a6c in main (argc=<value optimized out>, argv=<value optimized out>) at main.c:2566

I suspend the transaction in one route and then I continue it in another route, similar to below:

route[INVITE]

# Suspend and put to memcache:

t_suspend();

   xlog("proceesing suspended in transaction [$T(id_index):$T(id_label)]\n");

   $var(transaction_index)=$T(id_index);

   $var(transaction_label)=$T(id_label);



   $mct(wait_$tU)= "" + $var(transaction_index) + ":" + $var(transaction_label);

   $mctex(wait_$tU) = 100;

}

route[INVITE_resume] {

# get the transaction index and lable from memcache

   $avp(check) = $mct(wait_$tU) ; # I should have the transaction index and the transaction label here

   $var(my_transaction_index) = $(avp(check){s.select,0,:});

   $var(my_transaction_label) = $(avp(check){s.select,1,:});

   $var(a)= $(var(my_transaction_index){s.int});

   $var(b) = $(var(my_transaction_label){s.int});

   t_continue( "$var(a)", "$var(b)" , "my_relay_route");

}

route[INVITE_resume] executes only on an asynchronous event (a certain SIP message that might come or not) .

I use kamailio 4.0.0/Centos Linux. I suspect it happened when I sent CANCEL, but I could not reproduce. I still have the core file.

Regards,

Dragos
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