the second X (:1) should not be in the Xservers file (this is for
servers managed by the xdm on localhost/nucleus). This server
needs to be standalone - eg from /etc/rc.local or from /etc/ttys.
-- 
Rex McMaster                       rex@mcmaster.wattle.id.au
                     http://www.compsoft.com.au/~rmcm/pgp-pk

fission writes:
 > Okay, here's my Linux Xserver file:
 > [where nucleus == localhost, and positron == NetBSD/macppc computer]
 > 
 > :0 local /usr/X11R6/bin/X :0 -bpp 16 tty8
 > :1 local /usr/X11R6/bin/X :1 -indirect positron tty7
 > 
 > And so, on tty8 I get the local X prompt just as it should be.  On tty7, I
 > get a XDMCP host menu which is very neat.  I select 'positron' and click
 > 'accept'.  The menu just disappears leaving me with my usual X login
 > screen.  On the NetBSD computer, I get:
 > 
 > xdm error (pid 1965): WARNING: keyboard on display nucleus:1 could not be secured
 > 
 > What could be causing this?
 > 
 > Thank you for your time,
 > 
 > --fission