Hi guys, We seem to have a regular occurrence where one of the child processes is crashing, and causing a coredump. Please see the output of the corefile; gdb kamailio /core.31568 GNU gdb (GDB) Red Hat Enterprise Linux (7.2-83.el6) Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/sbin/kamailio...(no debugging symbols found)...done. [New Thread 31568] Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib /debug/lib64/ld-2.12.so.debug...done. done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Core was generated by `/usr/sbin/kamailio -P /var/run/kamailio/kamailio.pid -f / /etc/kamailio//kamaili'. Program terminated with signal 11, Segmentation fault. #0 0x00000000004deefd in send_fd () (gdb) bt full #0 0x00000000004deefd in send_fd () No symbol table info available. #1 0x00000000004e0bc1 in pp_substdef_add () No symbol table info available. #2 0x00000000004da13c in build_res_buf_from_sip_req () No symbol table info available. #3 0x00007fc99099f4a1 in ?? () No symbol table info available. #4 0x00000000921cd3c8 in ?? () No symbol table info available. #5 0x00007fc9921cd3f8 in ?? () No symbol table info available. #6 0x0000000000415eb0 in do_action () No symbol table info available. #7 0x00007fc9909a2841 in ?? () No symbol table info available. #8 0x00007fc991faf030 in ?? () No symbol table info available. #9 0x0000000000000004 in ?? () No symbol table info available. #10 0x0000000000000001 in ?? () No symbol table info available. #11 0x0000000000000002 in ?? () The last transaction appears to be a REGISTER message from a User-Agent: SIPAUA/0.1.001 which runs on an android device. We are looking to reproduce in lab environment but I just wondered if anyone had seen this on this version? Or can advise on the core dump output? Thanks Jon _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

Hi, The backtrace is not very useful, there are no debugging symbols. You probably installed a kamailio RPM on that machine. Try to compile directly on the machine and reproduce. Cheers, Dragos On 17/08/2016 14:16, Jonathan Hunter wrote: _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users