[SR-Users] help with kamailio crash

Hello, we are using a kamailio 3.3.1 version here and suddenly it crashed with a core. Any point about how to debug this will be appreciated! # /usr/local/kamailio/sbin/kamailio -V version: kamailio 3.3.1 (x86_64/linux) 91e8cb flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, F_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 4MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: 91e8cb compiled on 04:59:57 Sep 13 2012 with gcc 4.6.3 (gdb) bt full #0 0x00007f242514e445 in raise () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f2425151bab in abort () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x00000000004740b2 in sig_alarm_abort (signo=<optimized out>) at main.c:695 No locals. #3 <signal handler called> No symbol table info available. #4 0x00007f24252066d7 in syscall () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #5 0x0000000000542c58 in futex_get (lock=0x7f23e1ceb7a8) at mem/../futexlock.h:110 i = <optimized out> #6 timer_del_safe (tl=0x7f23e1d378e0) at timer.c:729 ret = -1 #7 0x0000000000447ab6 in destroy_dns_cache () at dns_cache.c:245 No locals. #8 0x0000000000474f95 in cleanup (show_status=1) at main.c:572 memlog = <optimized out> #9 0x0000000000475969 in shutdown_children (show_status=1, sig=15) at main.c:712 No locals. #10 0x00000000004767ac in handle_sigs () at main.c:803 chld = <optimized out> chld_status = 139 memlog = <optimized out> #11 0x0000000000478ed5 in main_loop () at main.c:1762 i = <optimized out> pid = <optimized out> si = <optimized out> si_desc = "udp receiver child=5 sock=79.170.68.187:5060\000\177", '\000' <repeats 18 times>, "\001\000\000\000\000\000\000\000\000\000\300>\000\000\000\000\001\000\000\000#\177\000\000Q\251U\000\000\000\000\000\020p\321$$\177\000\000\b\000\000\000\000\000\000\000x\264\316\341#\177\000\000\000gE\345\322\024P\027" nrprocs = <optimized out> #12 0x000000000041add2 in main (argc=<optimized out>, argv=<optimized out>) at main.c:2546 cfg_stream = <optimized out> c = <optimized out> r = <optimized out> tmp = 0x7fff551d8f24 "" ---Type <return> to continue, or q <return> to quit--- tmp_len = 1427999204 options = 0x5df520 ":f:cm:M:dVIhEb:l:L:n:vrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:" ret = -1 seed = 603487729 rfd = 0 debug_save = <optimized out> debug_flag = <optimized out> dont_fork_cnt = <optimized out> n_lst = 0x0 p = <optimized out> Thanks in advance, Vicente.