Reading symbols from /usr/lib/asterisk/modules/app_userevent.so...done.
Loaded symbols for /usr/lib/asterisk/modules/app_userevent.so
Reading symbols from /usr/lib/asterisk/modules/app_image.so...done.
Loaded symbols for /usr/lib/asterisk/modules/app_image.so
Reading symbols from /usr/lib/asterisk/modules/app_senddtmf.so...done.
Loaded symbols for /usr/lib/asterisk/modules/app_senddtmf.so
Reading symbols from /usr/lib/asterisk/modules/func_callerid.so...done.
Loaded symbols for /usr/lib/asterisk/modules/func_callerid.so
Reading symbols from /usr/lib/asterisk/modules/app_festival.so...done.
Loaded symbols for /usr/lib/asterisk/modules/app_festival.so
Reading symbols from /usr/lib/asterisk/modules/cdr_csv.so...done.
Loaded symbols for /usr/lib/asterisk/modules/cdr_csv.so
#0  0x00496c7b in strlen () from /lib/tls/libc.so.6
(gdb) bt
#0  0x00496c7b in strlen () from /lib/tls/libc.so.6
#1  0x0805bd0f in ast_variable_new (name=0x1e "", value=0x85f7ac2 "232")
    at config.c:89
#2  0x001c6655 in ?? () from /usr/lib/asterisk/modules/res_config_mysql.so
#3  0x0000001e in ?? ()
#4  0x085f7ac2 in ?? ()
#5  0x00000026 in ?? ()
#6  0x001c6446 in ?? () from /usr/lib/asterisk/modules/res_config_mysql.so
#7  0x00000000 in ?? ()
(gdb)