4 Apr
2013
4 Apr
'13
10:40 p.m.
Hey Guys,
yes we can confirm that we also got crashes when trying to use
suspend/resume in reply processing.
Cheers
Jason
On Thu, Apr 4, 2013 at 8:28 PM, Dragos Oancea <droancea(a)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(a)gmail.com>
*To:* Dragos Oancea <droancea(a)yahoo.com>om>; Kamailio (SER) - Development
Mailing List <sr-dev(a)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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