On Tuesday 02 March 2010 10:35:36 Joerg Pulz wrote: > v4l-dvb/linux/drivers/media/dvb/dvb-core/dvb_frontend.c > Can you check if the video application you are using is setting the non- blocking flag on the file-handle? flag = 1; ret = fcntl(f, O_NONBLOCK, &flag); That will make the FE_GET_EVENT return immediately. --HPS