The connection was reset

[eluser]FDisk[/eluser]
I'm using latest CodeIgniter Version 2.0.3
PHP Version 5.3.5

Created controller lists and the model lists

application/controllers/lists.php

Code:

<?php
class Lists extends CI_Controller
{
    function __construct() {
        parent::__construct();

        $this->load->model('Lists');
    }
    public function index() {
        echo 'Controller Hello';
    }
}

and the application/models/lists.php

Code:

<?php
class Lists_model extends CI_Model
{

    function __construct() {
        parent::__construct();
    }

    public function find_all() {
        return 'Model Hello';
    }
}

Localhost is crashing and in browser I got

The connection was reset

Apache error.log is empty.