Failed to open /dev/io for extended I/O

[marcio at fcfar.unesp.br]

How can I resolve this error?
Here´s the error message:

X Window System Version 6.8.2
Release Date: 9 February 2005
X Protocol Version 11, Revision 0, Release 6.8.2
Build Operating System: FreeBSD 6.0 i386 [ELF] 
Current Operating System: FreeBSD marcio.fcfar.unesp.br 6.0-RELEASE FreeBSD
6.0-RELEASE #0: Thu Nov  3 09:36:13 UTC 2005    
root at x64.samsco.home:/usr/obj/usr/src/sys/GENERIC i386
Build Date: 12 October 2005
	Before reporting problems, check http://wiki.X.Org
	to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Thu Sep 28 13:47:57 2006
(EE) Unable to locate/open config file
(II) Module ABI versions:
	X.Org ANSI C Emulation: 0.2
	X.Org Video Driver: 0.7
	X.Org XInput driver : 0.4
	X.Org Server Extension : 0.2
	X.Org Font Renderer : 0.4
(II) Loader running on freebsd
(II) LoadModule: "bitmap"
(II) Loading /usr/X11R6/lib/modules/fonts/libbitmap.a
(II) Module bitmap: vendor="X.Org Foundation"
	compiled for 6.8.2, module version = 1.0.0
	Module class: X.Org Font Renderer
	ABI class: X.Org Font Renderer, version 0.4
(II) Loading font Bitmap
(II) LoadModule: "pcidata"
(II) Loading /usr/X11R6/lib/modules/libpcidata.a
(II) Module pcidata: vendor="X.Org Foundation"
	compiled for 6.8.2, module version = 1.0.0
	ABI class: X.Org Video Driver, version 0.7
(--) Using syscons driver with X support (version 2.0)
(--) using VT number 9


Fatal server error:
xf86EnableIO: Failed to open /dev/io for extended I/O

Please consult the The X.Org Foundation support 
	 at http://wiki.X.Org
 for help. 
Please also check the log file at "/var/log/Xorg.0.log" for additional
information.


Engº Marcio Toledo
Analista de Informática - área de redes
Faculdade de Cïências Farmacêuticas - UNESP
Tel: 0xx-16-3322-2711