not getting login using xdmcp

[Harold L Hunt II]

Andrew,

Andrew DeFaria wrote:
> I have a similar problem. This is with a SuSE 8.2 installation. I had 
> Mandrake 9.1 installed before and managed to get XDMCP working. Can't 
> get it working with SuSE however and I'm pulling my hair out!
> 
> I have nothing in my /var/log/messages nor /var/log/kdm.log files. I'm 
> using:
> 
> $ xwin -query sonslinux -from adefaria
> 
> X comes up but no login dialog box. XWin.log is attached.
> 
> Any help would be appreciated.

How many network interfaces do you have?  Find out the IP address of the 
interface that is actually communicating with sonslinux and make sure to 
specify that IP address in the -from parameter.  If you give it the 
wrong IP, it will cause the XDM serve to be unable to send messages back 
to XWin.exe

> XDM: too many retransmissions

This is your key log message from XWin.log.  The XDM support in XWin.exe 
is generic to all X Servers, so you can google for this message and try 
to find some help there.  My guess is that you either have a problem 
with the return address being incorrect (as I talk about above), or one 
of the following:

1) You have not enabled an XDM server on your Linux machine followed by 
a restart.

2) You could also just not be running you linux machine at the correct 
run level, which would cause the XDM server to not even be started.

3) You have not enabled remote XDMCP connections for the XDM server that 
you are running (followed by a restart):

http://xfree86.cygwin.com/docs/faq/cygwin-xfree-faq.html#q-mandrake-8.1-xdmcp

NOTE: The fact that the above link says "Mandrake" can be ignored... it 
was originally written when Mandrake started defaulting XDMCP to being 
disabled, which was closely followed by my realizing that almost all 
distributions started doing this.

Harold