[sr-dev] segfault with t_suspend() / t_continue()
Dragos Oancea
droancea at yahoo.com
Thu Apr 4 20:28:40 CEST 2013
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 at gmail.com>
To: Dragos Oancea <droancea at yahoo.com>; Kamailio (SER) - Development Mailing List <sr-dev at 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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--
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, April 16-17, 2013, Berlin - http://conference.kamailio.com -
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