v 1.4 creating empty subdirectories

i found the following

17:43:10 /intranet/wp-login.php?redirect_to=/intranet/ URI rejected. Not Caching
17:43:10 /intranet/ wp_cache_get_cookies_values: /^wp-postpass|^comment_author_|^wordpress_logged_in_/ Cookie detected: wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655
17:43:10 /intranet/ supercache dir: /data/intranet/html/intranetnew/wp-content/cache/supercache/intranet/intranet/
17:43:10 /intranet/ No Super Cache file found for current URL: /data/intranet/html/intranetnew/wp-content/cache/supercache/intranet/intranet/index.html
17:43:10 /intranet/ wp_cache_get_cookies_values: /^wp-postpass|^comment_author_|^wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655/ Cookie detected: wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655
17:43:10 /intranet/ In WP Cache Phase 2
17:43:10 /intranet/ Setting up WordPress actions
17:43:10 /intranet/ Created output buffer
17:43:19 /intranet/ Output buffer callback
17:43:19 /intranet/ wp_cache_get_cookies_values: /^wp-postpass|^comment_author_|^wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655/ Cookie detected: wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655
17:43:19 /intranet/ Writing non-gzipped buffer to wp-cache cache file.
17:43:19 /intranet/ Renamed temp wp-cache file to /data/intranet/html/intranetnew/wp-content/cache/wp-cache-7d7286ccc00ea6e4ea92ee42d4766837.html
17:43:19 /intranet/ Sending buffer to browser
17:43:19 /intranet/ wp_cache_shutdown_callback: collecting meta data.
17:43:19 /intranet/ Writing meta file: /data/intranet/html/intranetnew/wp-content/cache/meta/wp-cache-7d7286ccc00ea6e4ea92ee42d4766837.meta
17:43:35 /intranet/wp-admin/admin-ajax.php wp_cache_get_cookies_values: /^wp-postpass|^comment_author_|^wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655/ Cookie detected: wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655
17:43:35 /intranet/wp-admin/admin-ajax.php In WP Cache Phase 2
17:43:35 /intranet/wp-admin/admin-ajax.php Setting up WordPress actions
17:43:35 /intranet/wp-admin/admin-ajax.php Not caching wp-admin requests.
17:44:24 /intranet/ supercache dir: /data/intranet/html/intranetnew/wp-content/cache/supercache/intranet/intranet/
17:44:24 /intranet/ No Super Cache file found for current URL: /data/intranet/html/intranetnew/wp-content/cache/supercache/intranet/intranet/index.html
17:44:24 /intranet/ In WP Cache Phase 2
17:44:24 /intranet/ Setting up WordPress actions
17:44:24 /intranet/ Created output buffer
17:44:24 /intranet/ Output buffer callback
17:44:24 /intranet/ Buffer is blank. Output buffer may have been corrupted by another plugin or this is a redirected URL. Look for text 'ob_start' in the files of your plugins directory.
17:44:24 /intranet/ No closing html tag. Not caching.
17:44:24 /intranet/ wp_cache_shutdown_callback: collecting meta data.
17:44:24 /intranet/ Did not write meta file: wp-cache-76270b02cc150ff7919541cfa2b46baa.meta ** *0* **
17:44:24 /intranet/wp-login.php?redirect_to=/intranet/ supercache dir: /data/intranet/html/intranetnew/wp-content/cache/supercache/intranet/intranet/wp-login.php/
17:44:24 /intranet/wp-login.php?redirect_to=/intranet/ No Super Cache file found for current URL: /data/intranet/html/intranetnew/wp-content/cache/supercache/intranet/intranet/wp-login.php/index.html
17:44:25 /intranet/wp-login.php?redirect_to=/intranet/ In WP Cache Phase 2
17:44:25 /intranet/wp-login.php?redirect_to=/intranet/ Setting up WordPress actions
17:44:25 /intranet/wp-login.php?redirect_to=/intranet/ Supercache caching disabled. Only using wp-cache. Non empty GET request. Array
(
    [redirect_to] => /intranet/
)

17:44:25 /intranet/wp-login.php?redirect_to=/intranet/ URI rejected. Not Caching
17:44:25 /intranet/ wp_cache_get_cookies_values: /^wp-postpass|^comment_author_|^wordpress_logged_in_/ Cookie detected: wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655
17:44:25 /intranet/ supercache dir: /data/intranet/html/intranetnew/wp-content/cache/supercache/intranet/intranet/
17:44:25 /intranet/ No Super Cache file found for current URL: /data/intranet/html/intranetnew/wp-content/cache/supercache/intranet/intranet/index.html
17:44:25 /intranet/ wp_cache_get_cookies_values: /^wp-postpass|^comment_author_|^wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655/ Cookie detected: wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655
17:44:25 /intranet/ In WP Cache Phase 2
17:44:25 /intranet/ Setting up WordPress actions
17:44:25 /intranet/ Created output buffer
17:44:33 /intranet/ Output buffer callback
17:44:33 /intranet/ wp_cache_get_cookies_values: /^wp-postpass|^comment_author_|^wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655/ Cookie detected: wordpress_logged_in_e93a64aca1dbc50a3b318807fd71f655
17:44:33 /intranet/ Writing non-gzipped buffer to wp-cache cache file.
17:44:33 /intranet/ Renamed temp wp-cache file to /data/intranet/html/intranetnew/wp-content/cache/wp-cache-de6259fbe8ef74e743b3a5a14fa2af69.html
17:44:33 /intranet/ Sending buffer to browser
17:44:33 /intranet/ wp_cache_shutdown_callback: collecting meta data.
17:44:33 /intranet/ Writing meta file: /data/intranet/html/intranetnew/wp-content/cache/meta/wp-cache-de6259fbe8ef74e743b3a5a14fa2af69.meta

here is all the obstart

[root@hero plugins]# grep -ir ob_start *
grep: calendar/calendar: Too many levels of symbolic links
db-cache-reloaded-fix/db-cache-reloaded.php:			$this->dbcr_enable( false ); // No echo - ob_start()/ob_ob_end_clean() is used in installer
embed-iframe/plugin.php:		ob_start ();
embed-iframe/plugin.php:		ob_start ();
shortcode-exec-php/editarea/edit_area/reg_syntax/php.js:			'touch', 'clearstatcache', 'mail', 'ob_start', 'ob_flush', 'ob_clean', 'ob_end_flush', 'ob_end_clean', 'ob_get_flush', 'ob_get_clean', 'ob_get_length', 'ob_get_level', 'ob_get_status', 'ob_get_contents', 'ob_implicit_flush', 'ob_list_handlers', 'ksort', 'krsort', 'natsort', 'natcasesort', 'asort', 'arsort', 'sort', 'rsort', 'usort', 'uasort', 'uksort', 'shuffle', 'array_walk', 'count', 'end', 'prev', 'next', 'reset', 'current', 'key', 'min', 'max', 'in_array', 'array_search', 'extract', 'compact', 'array_fill', 'range', 'array_multisort', 'array_push', 'array_pop', 'array_shift', 'array_unshift', 'array_splice', 'array_slice', 'array_merge', 'array_merge_recursive', 'array_keys', 'array_values', 'array_count_values', 'array_reverse', 'array_reduce', 'array_pad', 'array_flip', 'array_change_key_case', 'array_rand', 'array_unique', 'array_intersect', 'array_intersect_assoc', 'array_diff', 'array_diff_assoc', 'array_sum', 'array_filter', 'array_map', 'array_chunk', 'array_key_exists', 'pos', 'sizeof', 'key_exists', 'assert', 'assert_options', 'version_compare', 'ftok', 'str_rot13', 'aggregate',
shortcode-exec-php/shortcode-exec-php-class.php:					ob_start();
shortcode-exec-php/shortcode-exec-php-class.php:							ob_start();
user-access-manager/class/UserAccessManager.class.php:            ob_start();
user-access-manager/class/UserAccessManager.class.php:            ob_start();
wp-super-cache/wp-cache.php:	ob_start();
wp-super-cache/wp-cache-phase2.php:	ob_start( 'wp_cache_ob_callback' );
wp-super-cache/wp-cache-phase2.php:			wp_cache_debug( "Buffer is blank. Output buffer may have been corrupted by another plugin or this is a redirected URL. Look for text 'ob_start' in the files of your plugins directory.", 2 );
wp-super-cache/ossdl-cdn.php:function do_scossdl_off_ob_start() {
wp-super-cache/ossdl-cdn.php:	add_action('init', 'do_scossdl_off_ob_start');
wp-super-cache/plugins/dynamic-cache-test.php:// "PHP Fatal error:  ob_start(): Cannot use output buffering in output buffering display handlers in..."
wp-super-cache/plugins/dynamic-cache-test.php:	ob_start();