Hello Ahsan,

Thank you for the valuable input. I CC'ed here Ovidiu - he is the author of the QoS module and maybe he can help here.

I see the crash is reproducible - can you do it in a non-production env where we can enable some more debugging ?

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 12.02.2014 07:22, Ahsan Hasan wrote:
The Opensips version I am using is 1.9.1 compiled from src tar. The output of opensips -V is below:

=======================
version: opensips 1.9.1-tls (x86_64/linux)
flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, DISABLE_NAGLE, USE_MCAST, SHM_MEM, SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, FAST_LOCK-ADAPTIVE_WAIT ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
svnrevision: unknown
@(#) $Id: main.c 9790 2013-02-15 10:14:34Z bogdan_iancu $
main.c compiled on 03:11:32 Feb  6 2014 with gcc 4.4.5
=======================


The backtrace from last 3 crashes are:

===================
#0  0x00007fc3d12fe1b5 in raise () from /lib/libc.so.6
(gdb) bt
#0  0x00007fc3d12fe1b5 in raise () from /lib/libc.so.6
#1  0x00007fc3d1300fc0 in abort () from /lib/libc.so.6
#2 0x00000000004e8b19 in qm_free (qm=0x7fc3b8e59000, p=0x7fc3b92d90c0, file=0x596ed9 "parser/sdp/sdp.c", func=0x596da0 "free_cloned_sdp_stream", line=874) at mem/q_malloc.c:450 #3 0x000000000051ab2d in free_cloned_sdp_stream (_stream=<value optimized out>) at parser/sdp/sdp.c:874 #4 0x000000000051ada3 in free_cloned_sdp_session (_session=<value optimized out>) at parser/sdp/sdp.c:894 #5 0x00007fc3cc380012 in destroy_qos (qos_sdp=0x7fc3b92aaba0) at qos_ctx_helpers.c:73 #6 0x00007fc3cc383aeb in remove_sdp (qos_ctx=<value optimized out>, dir=1, _m=0x7fc3d01ba410, role=<value optimized out>, other_role=1) at qos_ctx_helpers.c:539 #7 0x00007fc3cc384220 in qos_dialog_response_CB (did=<value optimized out>, type=<value optimized out>, params=<value optimized out>) at qos_handlers.c:271 #8 0x00007fc3cd01a82e in run_dlg_callbacks (type=512, dlg=0x7fc3b9333ec8, msg=<value optimized out>, dir=4294967295, dlg_data=0x0) at dlg_cb.c:253 #9 0x00007fc3cdedc9a5 in run_trans_callbacks (type=8, trans=0x7fc3b9f94c18, req=0x7fc3ba5fa7c0, rpl=<value optimized out>, code=<value optimized out>) at t_hooks.c:212 #10 0x00007fc3cdefa966 in relay_reply (t=0x7fc3b9f94c18, p_msg=0x7fc3d01ba410, branch=0, msg_status=491, cancel_bitmap=<value optimized out>) at t_reply.c:1218 #11 0x00007fc3cdefb579 in reply_received (p_msg=0x7fc3d01ba410) at t_reply.c:1549 #12 0x000000000042fa45 in forward_reply (msg=0x7fc3d01ba410) at forward.c:575
#13 0x000000000047c80d in receive_msg (
buf=0x7e3620 "SIP/2.0 491 Another INVITE transaction in progress\r\nVia: SIP/2.0/UDP XXX.XXX.XXX.XXX:6000;received=77.66.2.136;branch=z9hG4bKc83b.cbf7d513.0\r\nVia: SIP/2.0/UDP XXX.XXX.XXX.XXX:5090;rport=5090;received=77.66.2."..., len=517, rcv_info=0x7fff1ecac640) at receive.c:207
#14 0x00000000004e03d1 in udp_rcv_loop () at udp_server.c:424
#15 0x0000000000438296 in main_loop (argc=<value optimized out>, argv=<value optimized out>) at main.c:884 #16 main (argc=<value optimized out>, argv=<value optimized out>) at main.c:1557
===================



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