Lighttpd ใช้ปล่อยไฟล์ startได้ไม่ถึง10นาทีแล้วเกิดอาการดับ ใครเคยเจออาการนี้มั้ง

connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
connections.c.1205: (trace) (error) plugins_call_handle_send_request_content(): r = 6
mod_proxy_core.c.2495: (trace) connect(unix:/tmp/php-fcgi.sock-81) timed out, closing backend connection

error ของ lighttpd ดังรุปครับ