root@rnewton-office-lab:/tmp# gdb asterisk
GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04
Copyright (C) 2012 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 "i686-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /usr/sbin/asterisk...done.
(gdb) set args -gcvvvvv
(gdb) run
Starting program: /usr/sbin/asterisk -gcvvvvv
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
Privilege escalation protection disabled!
See https://wiki.asterisk.org/wiki/x/1gKfAQ for more details.

Program received signal SIGSEGV, Segmentation fault.
0x0808e963 in region_data_wipe (reg=0x829fdd8) at astmm.c:264
264			*pos = FREED_MAGIC;
(gdb) bt
#0  0x0808e963 in region_data_wipe (reg=0x829fdd8) at astmm.c:264
#1  region_free (freed=0x82754a0, reg=0x829fdd8) at astmm.c:335
#2  0x080ed8af in ast_variable_destroy (doomed=0x829fe58) at config.c:539
#3  ast_variables_destroy (v=0x829ff48) at config.c:595
#4  ast_category_destroy (cat=0x829fcc0) at config.c:762
#5  0x080ee5d5 in ast_config_destroy (cfg=0x829f9a0) at config.c:1166
#6  0x08069f48 in ast_readconfig () at asterisk.c:3520
#7  main (argc=<optimized out>, argv=0x829feb2) at asterisk.c:3816
(gdb) bt full
#0  0x0808e963 in region_data_wipe (reg=0x829fdd8) at astmm.c:264
        end = 0x829fec0
        pos = <optimized out>
#1  region_free (freed=0x82754a0, reg=0x829fdd8) at astmm.c:335
        old = <optimized out>
        __PRETTY_FUNCTION__ = "region_free"
#2  0x080ed8af in ast_variable_destroy (doomed=0x829fe58) at config.c:539
No locals.
#3  ast_variables_destroy (v=0x829ff48) at config.c:595
        vn = 0x829fe58
#4  ast_category_destroy (cat=0x829fcc0) at config.c:762
        __PRETTY_FUNCTION__ = "ast_category_destroy"
#5  0x080ee5d5 in ast_config_destroy (cfg=0x829f9a0) at config.c:1166
        cat = 0x82a0900
        catn = <optimized out>
#6  0x08069f48 in ast_readconfig () at asterisk.c:3520
        config = 0x81ecb72 "/etc/asterisk/asterisk.conf"
        live_dangerously = <optimized out>
        cfg = 0x829f9a0
        v = <optimized out>
        hostname = '\000' <repeats 63 times>
        found = <optimized out>
#7  main (argc=<optimized out>, argv=0x829feb2) at asterisk.c:3816
        c = <optimized out>
        filename = "/root/.asterisk_history", '\000' <repeats 56 times>
        hostname = "rnewton-office-lab", '\000' <repeats 45 times>
        tmp = "\256\303\036\bt\372\377\267\000\000\000\000\250\026\230\267$Revision: 413587\000\000\000\260&\377\267\002\000\000\000P\257\351\267$Revision: 373079\000\000\000\316\366\377\277\000\000\000\000\020\000\000"
        xarg = 0x0
        x = <optimized out>
        f = <optimized out>
        sigs = {__val = {0 <repeats 32 times>}}
        num = 0
        isroot = 1
        buf = <optimized out>
        runuser = 0x0
        rungroup = 0x0
        remotesock = 0x0
        moduleresult = <optimized out>
        l = {rlim_cur = 0, rlim_max = 0}
        __FUNCTION__ = "main"
        __PRETTY_FUNCTION__ = "main"