Problem with fb display 3.5"

Hi, 
i have a friendly arm mini2440 with display 7" now i have buy a 3.5" but
Xorg that go on 7" doesn't work!

i start with option mini2440=0tb, the display works, text and image on
starting but if i try loading X:

root@mini2440:~# X :0.0 -nocursor

_XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6
_XSERVTransOpen: transport open failed for inet6/mini2440:0
_XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6

X.Org X Server 1.7.4
Release Date: 2010-01-08
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.32-29-generic x86_64 
Current Operating System: Linux mini2440 2.6.32.11 #1 Wed Mar 30 12:50:36
CEST 2011 armv4tl
Kernel command line: console=ttySAC0,115200 mini2440=0tb rootfstype=ext3
root=/dev/mmcblk0p1 rw rootwait
Build Date: 04 April 2011  11:57:07AM
 
Current version of pixman: 0.21.4
  Before reporting problems, check http://wiki.x.org
  to make sure that you have the latest version.
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.0.0.log", Time: Sun Dec 14 06:26:53 2036
(==) Using config file: "/etc/X11/xorg.conf"
(EE) FBDEV(0): FBIOPUT_VSCREENINFO: Invalid argument
(EE) FBDEV(0): mode initialization failed

I have read in some posts that it can be a problem of timing,
now i use a xorg.conf with many options, initally i used an empty one and i
add many option for try:
section "ServerLayout"
        Identifier     "XFree86 Configured"
        Screen      0  "Screen0" 0 0
        InputDevice    "Mouse0" 
        InputDevice    "Keyboard0" "CoreKeyboard"
#        InputDevice    "Touchpad0" "CorePointer"
        Option      "OffTime" "10"
EndSection
Section "Module"
        Load  "extmod"
        Load  "dbe"
        Load  "fb"
        Load  "fbdev"
        Load  "fbdevhw"
        Load  "mouse"
EndSection
Section "InputDevice"
       Identifier  "Mouse0"
       Driver      "mouse"
EndSection
Section "Monitor"
        Identifier   "Monitor0"
        ModelName    "Monitor Model"
        DisplaySize 240 320
  HorizSync 28286
  VertRefresh 85.714
  
EndSection
Section "Device"
        #Option "ShadowFB"      "true"
        Identifier  "Card0"
        Driver      "fbdev"
        Option  "fbdev" "/dev/fb0"
EndSection
Section "Screen"
        Identifier "Screen0"
        Device     "Card0"
        Monitor    "Monitor0"
EndSection
Section "InputDevice"
# Change "XkbModel" to "macintosh_old" if you are using
# the deprecated adb keycodes.
        Identifier  "Keyboard0"
        Driver      "kbd"
        Option      "XkbModel" "pc105"
EndSection

fbse -i give me:

mode "240x320-86"
  # D: 8.627 MHz, H: 28.286 kHz, V: 85.714 Hz
  geometry 240 320 240 320 16
  timings 115913 21 38 4 4 6 2
  accel false
  rgba 5/11,6/5,5/0,0/0
endmode

but i don't know where put all these info...

Some one know the solution?

PS: I have compiled bitbake 2011.03 

jkroby@p3r.info