No graphical login manager displayed via vnc

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Environment

SUSE Linux Enterprise Server 11

Remote Administration via VNC enabled

XDM or KDM is used as login manager (GDM does not have this issue)

IPV6 is active

Situation

You're using XDM or KDM as login manager and have enabled remote administration, but when you start a vnc session you only get an empty window. No login manager is displayed.

Resolution

If you do not need the Name Service Caching Daemon (nscd) we would recommend to disable the service completely:

rcnscd stop

insserv -r nscd

If you're in need of nscd edit the file /etc/xinetd.d/vnc and replace each line that contain

server_args     = -noreset -inetd -once -from localhost -query localhost -geometry 1024x768 -depth 16

with

server_args     = -noreset -inetd -once -query localhost -geometry 1024x768 -depth 16

After the change make sure to reload the xinetd service:

rcxinetd reload

Additional Information

The issue is currently investigated by engineering, the above instructions are only a workaround until a bug-fix can be released.

Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.