#4  0x00007f4e004be9c6 in test_other_conns (server=0x24aa550, check_conns=1) at /root/mongo-php-driver/util/pool.c:178
178       response = mongo_util_rs__cmd("ping", &other TSRMLS_CC);
(gdb) print *server
$12 = {socket = 0, connected = 0, owner = 28923, port = 27017, host = 0x24aa640 "mongo01",
  label = 0x24aa620 "mongo01:27017", username = 0x0, password = 0x0, db = 0x0, next = 0x0, next_in_pool = 0x0}
(gdb) print other
$13 = {socket = 12, connected = 1, owner = 4879001, port = 32590, host = 0x24aa620 "mongo01:27017",
  label = 0x2a71470 "\220,\247\002", username = 0x4f301410 <Address 0x4f301410 out of bounds>, password = 0x948240 "",
  db = 0xffffffff <Address 0xffffffff out of bounds>, next = 0x0, next_in_pool = 0x2a6f000}
(gdb) print other.next_in_pool
$14 = (struct _mongo_server *) 0x2a6f000
(gdb) print *other.next_in_pool
$15 = {socket = 37285696, connected = 0, owner = 44494928, port = 0, host = 0x0, label = 0x3148320 ">",
  username = 0x31482c0 "=", password = 0x2a718e0 "@S\310\002", db = 0x2a6eee0 "\340\031\b\003", next = 0x0,
  next_in_pool = 0x2010000}
(gdb) print *monitor
$16 = {timeout = 200, waiting = 0, num = {in_pool = 1, in_use = 0, total = -1, remaining = -1}, top = 0x2569eb0,
  servers = 0x0}
(gdb) print *monitor.top
$17 = {socket = 12, next = 0x0}
(gdb) print *monitor
$18 = {timeout = 200, waiting = 0, num = {in_pool = 1, in_use = 0, total = -1, remaining = -1}, top = 0x2569eb0,
  servers = 0x0}
(gdb) print *monitor.top
$19 = {socket = 12, next = 0x0}
(gdb) print &other
$20 = (mongo_server *) 0x7fff6da09d00
(gdb) print other
$21 = {socket = 12, connected = 1, owner = 4879001, port = 32590, host = 0x24aa620 "mongo01:27017",
  label = 0x2a71470 "\220,\247\002", username = 0x4f301410 <Address 0x4f301410 out of bounds>, password = 0x948240 "",
  db = 0xffffffff <Address 0xffffffff out of bounds>, next = 0x0, next_in_pool = 0x2a6f000}
(gdb) print *server
$22 = {socket = 0, connected = 0, owner = 28923, port = 27017, host = 0x24aa640 "mongo01",
  label = 0x24aa620 "mongo01:27017", username = 0x0, password = 0x0, db = 0x0, next = 0x0, next_in_pool = 0x0}
(gdb)