Hi Ming, thanks for answer. I guess it is either a bug in SWIG or there is a collision between C/C++ memory allocation and that from a memory pool. Anyway the workaround recorded below. Cheers, - Vali Dne 7.3.2014 2:41, Ming napsal(a): > Hi Tomas, > > In our pygui pjsua2 python sample app, we also iterate media using the > same method and it runs fine (it's in call.py onCallMediaState()). > > Regards, > Ming > > > On Thu, Mar 6, 2014 at 7:59 PM, Tom?? Valenta <Vali at kamarad.cz > <mailto:Vali at kamarad.cz>> wrote: > > Hi, > > I found a strange crash in Python PJSUA2 when iterating call info > medias. See the patch pjproject-fdport.patch, file > pjproject/pjsip_apps/src/swig/python/audio_fd.py. If you replace > for i in range(...) > with > for mi in info.media > as in the comment, you get the crash: > > Program received signal SIGSEGV, Segmentation fault. > [Switching to Thread 0x7ffff47e8700 (LWP 24109)] > 0x0000000000501bb8 in ?? () > (gdb) bt > #0 0x0000000000501bb8 in ?? () > #1 0x0000000000501fae in ?? () > #2 0x00007ffff5ce7b95 in ~SwigPtr_PyObject (this=0x7fffec01ce38, > __in_chrg=<optimized out>) at pjsua2_wrap.cpp:3697 > #3 ~SwigPtr_PyObject (this=0x7fffec01ce38, __in_chrg=<optimized out>) > at pjsua2_wrap.cpp:4745 > #4 ~SwigPyIterator (this=0x7fffec01ce30, __in_chrg=<optimized out>) > at pjsua2_wrap.cpp:4003 > #5 ~SwigPyIterator_T (this=0x7fffec01ce30, __in_chrg=<optimized out>) > at pjsua2_wrap.cpp:4646 > #6 ~SwigPyIteratorClosed_T (this=0x7fffec01ce30, > __in_chrg=<optimized out>) > at pjsua2_wrap.cpp:4745 > #7 > swig::SwigPyIteratorClosed_T<__gnu_cxx::__normal_iterator<pj::CallMediaInfo*, > std::vector<pj::CallMediaInfo, std::allocator<pj::CallMediaInfo> > >, > pj::CallMediaInfo, swig::from_oper<pj::CallMediaInfo> > >::~SwigPyIteratorClosed_T (this=0x7fffec01ce30, > __in_chrg=<optimized out>) at pjsua2_wrap.cpp:4745 > #8 0x00007ffff5c3cb41 in _wrap_delete_SwigPyIterator > (args=<optimized out>) > at pjsua2_wrap.cpp:8008 > #9 0x00000000004d91b6 in PyObject_Call () > #10 0x00000000004d9e1b in PyObject_CallFunctionObjArgs () > #11 0x00007ffff5c04045 in SwigPyObject_dealloc (v=0x7ffff544e2d0) > at pjsua2_wrap.cpp:1698 > #12 0x000000000042618d in ?? () > #13 0x0000000000501dc8 in ?? () > #14 0x000000000054d0a2 in PyEval_EvalFrameEx () > #15 0x0000000000575d92 in PyEval_EvalCodeEx () > #16 0x0000000000577ab0 in ?? () > #17 0x00000000004d91b6 in PyObject_Call () > #18 0x00000000004c91fa in ?? () > #19 0x00000000004d91b6 in PyObject_Call () > #20 0x000000000042e317 in PyObject_CallMethod () > #21 0x00007ffff5c7766d in SwigDirector_Call::onCallMediaState > (this=0x7fffec013cc0, > prm=...) at pjsua2_wrap.cpp:7146 > #22 0x00007ffff5d396d3 in > pj::Call::processMediaUpdate(pj::OnCallMediaStateParam&) () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #23 0x00007ffff5d1d4ed in pj::Endpoint::on_call_media_state(int) () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #24 0x00007ffff5d590ef in pjsua_call_on_media_update () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #25 0x00007ffff5d79ad4 in inv_negotiate_sdp () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #26 0x00007ffff5d7a2dd in process_answer () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #27 0x00007ffff5d7a789 in pjsip_inv_answer () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #28 0x00007ffff5d55bfe in pjsua_call_answer2 () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #29 0x00007ffff5d361d3 in pj::Call::answer(pj::CallOpParam const&) () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #30 0x00007ffff5c7cbbb in _wrap_Call_answer (args=<optimized out>) > at pjsua2_wrap.cpp:77213 > #31 0x0000000000550138 in PyEval_EvalFrameEx () > #32 0x0000000000575d92 in PyEval_EvalCodeEx () > #33 0x000000000054c028 in PyEval_EvalFrameEx () > #34 0x0000000000575d92 in PyEval_EvalCodeEx () > #35 0x0000000000577ab0 in ?? () > #36 0x00000000004d91b6 in PyObject_Call () > #37 0x00000000004c91fa in ?? () > #38 0x00000000004d91b6 in PyObject_Call () > #39 0x000000000042e317 in PyObject_CallMethod () > #40 0x00007ffff5c7860d in SwigDirector_Account::onIncomingCall > (this=0x9cde40, prm=...) > at pjsua2_wrap.cpp:6806 > #41 0x00007ffff5d1c721 in pj::Endpoint::on_incoming_call(int, int, > pjsip_rx_data*) () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #42 0x00007ffff5d54357 in pjsua_call_on_incoming () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #43 0x00007ffff5d5c525 in mod_pjsua_on_rx_request () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #44 0x00007ffff5da257b in pjsip_endpt_process_rx_data () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #45 0x00007ffff5da28c0 in endpt_on_rx_msg () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #46 0x00007ffff5dab4cb in pjsip_tpmgr_receive_packet () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #47 0x00007ffff5dac33f in udp_on_read_complete () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #48 0x00007ffff5e78298 in ioqueue_dispatch_read_event () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #49 0x00007ffff5e7a39d in pj_ioqueue_poll () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #50 0x00007ffff5da224b in pjsip_endpt_handle_events2 () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #51 0x00007ffff5d5f177 in pjsua_handle_events () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #52 0x00007ffff5d5c798 in worker_thread () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #53 0x00007ffff5e7b41f in thread_main () > from /home/tom/pjproject-2.2/pjsip-apps/src/swig/python/_pjsua2.so > #54 0x00007ffff7bc4e9a in start_thread () from > /lib/x86_64-linux-gnu/libpthread.so.0 > #55 0x00007ffff699e3fd in clone () from /lib/x86_64-linux-gnu/libc.so.6 > #56 0x0000000000000000 in ?? () > > Ubuntu 12.04.4 precise x64 > gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 > Python 2.7.3 > SWIG Version 2.0.4 > > Cheers, > - Vali > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org <mailto:pjsip at lists.pjsip.org> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >
