Description of problem:
Performing a vnc installation, the program aborted when remote vncviewer start.

Version-Release number of selected component (if applicable):
vnc-libs-4.1.2-11.fc7.x86_64
vnc-4.1.2-11.f7.x86_64

How reproducible:
persistent

Steps to Reproduce:
1. perform network install with vnc option
   sample kickstart file:
     vnc --password install
     url --url http://192.168.3.102/a/fed/x86_64/os
     network --device eth0 --bootproto dhcp --hostname cozumel4
     lang en_US
     keyboard us
     rootpw install
     timezone America/New_York
2.   waiting for the following signal to start remote vncviewer
        Starting VNC
        The VNC server is now running.
        Please connect to 192.168.3.20:1 to begin the install...
3. from remote PC run:
      vncviewer 192.168.3.20:1
  
Actual results:
Below is the signal displayed on the main terminal:
   The application 'mini-wm' lost its connection to the display :1.0;
   most likely the X server was shut down or you killed/destroyed the
   application.
   The application 'anaconda' lost its connection to the display :1.0;
   most likely the X server was shut down or you killed/destroyed the
   application.
   install exited abnormally [1/1]
syslog file show the following message:
   Xvnc[702] general protection rip:2aaaac8f8790 rsp:7fffa8084b58 error:0

Expected results:
should proceed without error

Additional info:
attached is anaconda.log and vncserver.log