Log in link not showing, Comment Issue

We want user to register and then comment. So we,

• Checked the option of “Anyone can register” as true.
• Checked the option of “Users must be registered and logged in to comment” as true.

Now, the problem is nothing shows up in a single post page below “Speak your Mind”. Here is the snapshot of problem ->

Here is the comment.php of the parent file.

    <?php
/*
 WARNING: This file is part of the core Genesis framework. DO NOT edit
 this file under any circumstances. Please do all modifications
 in the form of a child theme.
 */

/**
 * Handles the comment structure.
 *
 * This file is a core Genesis file and should not be edited.
 *
 * @category Genesis
 * @package  Templates
 * @author   StudioPress
 * @license  http://www.opensource.org/licenses/gpl-license.php GPL v2.0 (or later)
 * @link     http://www.studiopress.com/themes/genesis
 */

if ( ! empty( $_SERVER['SCRIPT_FILENAME'] ) && 'comments.php' == basename( $_SERVER['SCRIPT_FILENAME'] ) )
    die ( 'Please do not load this page directly. Thanks!' );

if ( post_password_required() ) {
    printf( '<p class="alert">%s</p>', __( 'This post is password protected. Enter the password to view comments.', 'genesis' ) );
    return;
}

do_action( 'genesis_before_comments' );
do_action( 'genesis_comments' );
do_action( 'genesis_after_comments' );

do_action( 'genesis_before_pings' );
do_action( 'genesis_pings' );
do_action( 'genesis_after_pings' );

do_action( 'genesis_before_comment_form' );
do_action( 'genesis_comment_form' );
do_action( 'genesis_after_comment_form' );