我在 FreeBSD 7.2 网络服务器上运行 Apache HTTPD 2.2。我在我的 中启用了httpready和，如下所示：dataready/boot/loader.conf
accf_http_load="YES"
accf_data_load="YES"
这在服务器启动时效果很好，但是每当我重新启动（通过apachectl graceful或apachectl restart）时，我都会在我的/var/log/httpd-error.log：
[Thu Oct 08 13:32:53 2009] [warn] (22)Invalid argument: Failed to enable the 'httpready' Accept Filter
[Thu Oct 08 13:32:53 2009] [warn] (22)Invalid argument: Failed to enable the 'dataready' Accept Filter
[Thu Oct 08 13:32:53 2009] [warn] (22)Invalid argument: Failed to enable the 'httpready' Accept Filter
[Thu Oct 08 13:32:53 2009] [warn] (22)Invalid argument: Failed to enable the …