XXX Connessione non riuscita: XXXLost connection to MySQL server at 'reading initial communication packet', system error: 111

Warning: mysql_connect() [function.mysql-connect]: Lost connection to MySQL server at 'reading initial communication packet', system error: 111 in /oldfs/2650a/vgnfs/vg/trunk/backend/lib/class/utenti/classPadre.php on line 31
Connessione non riuscita: Lost connection to MySQL server at 'reading initial communication packet', system error: 111