hi, I've add rt_task_delay to the rtl_sched cause I found this function very usefull to sleep some function ( I use that when my driver programm a flash which need timming pause ... ) This function was present in rtl-9F , why has-it desapear ?? thanks all. -- KUMSTA Christophe -- <[EMAIL PROTECTED]> -- real-time system developper -- RT-Linux (Use the source luke)