Problem of Mplayer

[KongJianjun]

kongove at kongove-desktop:/media/sda6/movie$ mplayer tmqy.rmvb 
MPlayer 2:1.0~rc1-0ubuntu13 (C) 2000-2006 MPlayer Team
CPU: AMD Sempron(tm) Processor 2800+ (Family: 15, Model: 79, Stepping: 2)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
Can't open joystick device /dev/input/js0: No such file or directory
Can't init input joystick
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing tmqy.rmvb.
REAL file format detected.
Stream description: Audio Stream
Stream mimetype: audio/x-pn-realaudio
Stream description: Video Stream
Stream mimetype: video/x-pn-realvideo
Stream mimetype: logical-fileinfo
VIDEO:  [RV40]  576x324  24bpp  23.000 fps    0.0 kbps ( 0.0 kbyte/s)
Clip info:
 name: ͯ����Ե.wait.till.you.are.older
  author: ��Ӱ�ӵ۹�CNXP����С���ﱦ���ܡ
   copyright: www.cnxp.com(C)2005
   xscreensaver_disable: Could not find XScreenSaver window.
   GNOME screensaver disabled
   ==========================================================================
   Opening video decoder: [realvid] RealVideo decoder
   Selected video codec: [rv3040] vfm: realvid (Linux RealPlayer 10 RV30/40 decoder)
   ==========================================================================
   ==========================================================================
   Forced audio codec: mad
   Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
----------------------------------------------------------
The Echo is "mplayer tmqy.rmvb" in command line.
And I can see my movie.But there is a pause before opening mplayer at the point that----
  "xscreensaver_disable: Could not find XScreenSaver window.      GNOME screensaver disabled"