gentoo gdm errors,help!

yjmwolf

sorry for my English.
startx errors as:

1. 
   
2. /etc/X11/gdm/PreSession/Default: Registering your session with wtmp and utmp
   
3. /etc/X11/gdm/PreSession/Default: running: /usr/X11R6/bin/sessreg -a -w /var/log/wtmp -u /var/run/utmp -x "/var/gdm/:0.Xservers" -h "" -l ":0" "wolf"
   
4. /etc/X11/gdm/Xsession: Beginning session setup...
   
5. /etc/X11/gdm/Xsession: Setup done, will execute: /usr/bin/ssh-agent -- gnome-session
   
6. Xlib: connection to ":0.0" refused by server
   
7. Xlib: No protocol specified
   
8. (gnome-session:5493): Gtk-WARNING **: cannot open display:
   

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xhost + cannot rescue it.
I just run `ssh-keygen -t dsa`
I don't know how to disable 'ssh-keygen'.
somebody have idea?
thank you!greetings.