Comment 10 for bug 108785

I get the same error so i thought i'd print out the output when i open gmplayer from terminal:

"MPlayer 2:1.0~rc1-0ubuntu13 (C) 2000-2006 MPlayer Team
CPU: Intel(R) Pentium(R) 4 CPU 2.53GHz (Family: 15, Model: 2, Stepping: 4)
CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
xscreensaver_disable: Could not find XScreenSaver window. <-----------
GNOME screensaver disabled <----------------------------------------------------
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."