Core was generated by `/usr/sbin/asterisk -f -U asterisk -G asterisk -vvvg -c'.
Program terminated with signal 11, Segmentation fault.
#0  0x00839b5c in _int_malloc () from /lib/libc.so.6
(gdb) bt
#0  0x00839b5c in _int_malloc () from /lib/libc.so.6
#1  0x0083be97 in malloc () from /lib/libc.so.6
#2  0x08089b96 in __ast_alloc_region (size=67, which=FUNC_CALLOC, file=0x2bb294 "res_config_mysql.c", lineno=532, func=0x2bb696 "realtime_multi_mysql", cache=0) at astmm.c:114
#3  0x08089b4f in __ast_calloc (nmemb=1, size=67, file=0x2bb294 "res_config_mysql.c", lineno=532, func=0x2bb696 "realtime_multi_mysql") at astmm.c:203
#4  0x080d1317 in _ast_variable_new (name=0x11befcd0 "stamp", value=0xb74d91d0 "2011-04-09 16:23:00", filename=0x2bb481 "", file=0x2bb294 "res_config_mysql.c",
    func=0x2bb696 "realtime_multi_mysql", lineno=532) at config.c:234
#5  0x002b2f7f in realtime_multi_mysql (database=0xb75129ec "asterisk", table=0xb75128ec "voicemail_users", ap=0xb7512b10 "") at res_config_mysql.c:532
#6  0x080d756a in ast_load_realtime_multientry (family=0x5a7621 "voicemail") at config.c:2253
#7  0x0059e817 in show_users_realtime (fd=22, context=0x11bc17c9 "default") at app_voicemail.c:10838
#8  0x0059ebca in handle_voicemail_show_users (e=0x5af580, cmd=-4, a=0xb7512cdc) at app_voicemail.c:10928
#9  0x080d0e42 in ast_cli_command_full (uid=0, gid=0, fd=22, s=0xb7512e7c "voicemail show users for default ") at cli.c:2474
#10 0x080d0f90 in ast_cli_command_multiple_full (uid=0, gid=0, fd=22, size=34, s=0xb75130e4 "voicemail show users for default ") at cli.c:2497
#11 0x0807f022 in netconsole (vconsole=0x8262c60) at asterisk.c:1266
#12 0x081a063d in dummy_start (data=0x11bd6448) at utils.c:973
#13 0x00962832 in start_thread () from /lib/libpthread.so.0
#14 0x008a1f6e in clone () from /lib/libc.so.6