Nove prihlaseni - X server

[Murry]

Dobry den, 
mam problem z prihlasenim vice lidi na X serveru.
Pri uzamceni obrazovky a zmacknutim Prepnout uzivatele se nic nestane.
Pri opetovnem prihlaseni (na stavajiciho uziv.) mam dialog:
 Nemohu spustit novy dispay
 X server nelhal. Mozna je spatne nastaven.

Spustenim 'gdmflexiserver' nebo gdmflexiserver --xnest'
dostanu to stejne.
Pouzivam Gnome (gdm). Gentoo linux. 

$ X -ac -query localhost :1
jede .... (bez gnome ....ale nacte se)

$ X -version

X Window System Version 1.3.0
Release Date: 19 April 2007
X Protocol Version 11, Revision 0, Release 1.3
Build Operating System: UNKNOWN 
Current Operating System: Linux murry-gentoo 2.6.22-gentoo-r5 #1 SMP
Fri Oct 12 17:00:23 CEST 2007 i686 Build Date: 07 October 2007
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
Module Loader present
---------------------------------------
$ cat /etc/X11/gdm/gdm.conf
[greeter]
Use24Clock=yes
[xdmcp]
Enable=true

[gui]
GtkRC=

[daemon]

[security]
AllowRemoteRoot=true
DisallowTCP=false
-----------------------------------------
$ cat /etc/X11/gdm/custom.conf
[daemon]

[security]

[xdmcp]
IncludeAll=true

[gui]

[greeter]
SoundOnLogin=false
SoundOnLoginFile=/usr/share/sounds/alsa/Side_Left.wav

[chooser]

[debug]


Dekuji za radu. Petr