(gdb) bt full
#0  0x00216ced in memmove () from /lib/libc.so.6
No symbol table info available.
#1  0x080eeb6c in __ovfl_get ()
No symbol table info available.
#2  0x080f117c in __bt_ret ()
No symbol table info available.
#3  0x080ef9d7 in __bt_seq ()
No symbol table info available.
#4  0x080c1aee in ast_db_deltree (family=0xab67fd "iax/provisioning/cache", keytree=0x0) at db.c:132
        prefix = "/iax/provisioning/cache\000??-\000\236\000\000\000\000\000\000\000P\000\000\000\030?\206©\000\000\000\000\033[1;30;40m    -- \033[0;37;40m\000s? \000X?\206©?\027!\000\020\000\220?/\000\000\000?¦-\000/\000\000\000?&\022\bs? \000-X!\000-\000\000\000@\000\000\000+i,\000\000\000\000\000\001\000\000\000.\000\000\000\b?\206©?s\005\b \000\000\000\236a\017\bXi,\000/j\017\b(\200\020\b-&\022\b", '\0' <repeats 12 times>, "?¦-\000\020\000\220? ?\221???\206©o/"...
        key = {data = 0x8fd8c89, size = 1077031477}
        data = {data = 0x8fd8171, size = 50}
        keys = 0x8fd815d "/SIP/Registry/55532"
        res = Variable "res" is not available.
(gdb) Quit