Attach **kamailio syslog** when crash:
#### BEFORE_patch.syslog
``` Aug 26 13:45:42 SIP-B03 kernel: [29523793.119992] kamailio[106903]: segfault at 0 ip 00007fdc4c1e03bf sp 00007ffff51d9450 error 4 in libjson.so.0.1.0[7fdc4c1dc000+9000] Aug 26 13:45:42 SIP-B03 /home/pkg/kamailio/sbin/kamailio[106853]: ALERT: <core> [main.c:728]: handle_sigs(): child process 106903 exited by a signal 11 ```
#### AFTER_patch.syslog
``` Aug 26 13:53:49 SIP-B03 /home/pkg/kamailio/sbin/kamailio[108633]: : <core> [mem/f_malloc.c:562]: fm_free(): BUG: fm_free: bad pointer 0x7fc30000000b (out of memory block!), called from jsonrpc-c: jsonrpc_io.c: free_pipe_cmd(553) - aborting Aug 26 13:53:50 SIP-B03 /home/pkg/kamailio/sbin/kamailio[108583]: ALERT: <core> [main.c:728]: handle_sigs(): child process 108633 exited by a signal 6 ```
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