1. Missing separate debuginfos, use: debuginfo-install cyrus-sasl-lib-2.1.23-15.el6_6.2.x86_64 glibc-2.12-1.212.el6.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-65.el6.x86_64 libcom_err-1.41.12-24.el6.x86_64 libcurl-7.19.7-53.el6_9.x86_64 libedit-2.11-4.20080712cvs.1.el6.x86_64 libgcc-4.4.7-23.el6.x86_64 libidn-1.18-2.el6.x86_64 libjpeg-turbo-1.2.1-3.el6_5.x86_64 libselinux-2.0.94-7.el6.x86_64 libssh2-1.4.2-2.el6_7.1.x86_64 libstdc++-4.4.7-23.el6.x86_64 libtool-ltdl-2.2.6-15.5.el6.x86_64 mysql-connector-odbc-5.3.9-1.el6.x86_64 ncurses-libs-5.7-4.20090207.el6.x86_64 nspr-4.19.0-1.el6.x86_64 nss-3.36.0-8.el6.x86_64 nss-softokn-freebl-3.14.3-23.3.el6_8.x86_64 nss-util-3.36.0-1.el6.x86_64 openldap-2.4.40-16.el6.x86_64 openssl-1.0.1e-57.el6.x86_64 pcre-7.8-7.el6.x86_64 postgresql-libs-8.4.20-7.el6.x86_64 speex-1.2-0.12.rc1.1.el6.x86_64 sqlite-3.6.20-1.el6_7.2.x86_64 unixODBC-2.2.14-14.el6.x86_64 zlib-1.2.3-29.el6.x86_64
2. (gdb) bt
3. #0  0x00000031b64324f5 in raise () from /lib64/libc.so.6
4. #1  0x00000031b6433cd5 in abort () from /lib64/libc.so.6
5. #2  0x00000031b6470417 in __libc_message () from /lib64/libc.so.6
6. #3  0x00000031b6475e5e in malloc_printerr () from /lib64/libc.so.6
7. #4  0x00000031b647a528 in _int_malloc () from /lib64/libc.so.6
8. #5  0x00000031b647ab1c in malloc () from /lib64/libc.so.6
9. #6  0x00007f54fc487632 in my_dup (s=0x7f547c2341b0 "variable_hangup_cause") at src/switch_event.c:113
10. #7  0x00007f54fc487708 in new_header (header_name=0x7f547c2341b0 "variable_hangup_cause") at src/switch_event.c:916
11. #8  0x00007f54fc489e69 in switch_event_base_add_header (event=0x7f4ec80080b0, stack=SWITCH_STACK_BOTTOM, header_name=<value optimized out>,
12.     data=0x7f4ec80014a0 "NO_ANSWER") at src/switch_event.c:1063
13. #9  0x00007f54fc419282 in switch_channel_event_set_extended_data (channel=0x7f4f40006520, event=0x7f4ec80080b0) at src/switch_channel.c:2637
14. #10 0x00007f54fc41bd53 in switch_channel_event_set_data (channel=0x7f4f40006520, event=0x7f4ec80080b0) at src/switch_channel.c:2650
15. #11 0x00007f54fc4446e8 in switch_core_se