gdmflexiserver crashes X

[Tom McLaughlin]

Hi everyone, I've been running into issues when trying to run
gdmflexiserver or gdmflexiserver -xnest with gnome 2.4.1 from ports. 
When I run gdmflexiserver the monitor flickers like it is taking me to a
new screen but the monitor stays dark.  I have to ctrl+alt+f9 back to my
original display.  If I run gdmflexiserver -xnest then X and gdm
actually crash and drop me to a console.  Using gdmflexiserver -xnest
also produces the following error in /var/log/messages:

Dec 18 21:34:56 compass gdm[57837]: GDM file gdm.c: line 2852 (N/A):
Cannot run setegid to 92


I see that the gdm binaries are not setgid and are owned by root.  I can
run both commands fine if I am logged into gnome as root which leads me
to believ that this is a permission problem.

[tom at compass tom]$ ls -al /usr/X11R6/bin/|grep gdm
-r-xr-xr-x   1 root  wheel       264 Dec 15 00:41 gdm*
-r-xr-xr-x   1 root  wheel    215916 Dec 15 00:41 gdm-binary*
lrwxr-xr-x   1 root  wheel        15 Dec 15 00:41 gdmXnest@ ->
gdmXnestchooser
-r-xr-xr-x   1 root  wheel     43048 Dec 15 00:41 gdmXnestchooser*
-r-xr-xr-x   1 root  wheel     69568 Dec 15 00:41 gdmchooser*
-r-xr-xr-x   1 root  wheel     36584 Dec 15 00:41 gdmflexiserver*
-r-xr-xr-x   1 root  wheel    130392 Dec 15 00:41 gdmgreeter*
-r-xr-xr-x   1 root  wheel    102804 Dec 15 00:41 gdmlogin*
-r-xr-xr-x   1 root  wheel     30592 Dec 15 00:41 gdmphotosetup*
-r-xr-xr-x   1 root  wheel     69960 Dec 15 00:41 gdmsetup*
-r-xr-xr-x   1 root  wheel      1664 Dec 15 00:41 gdmthemetester*

I have only had this problem after building gnome 2.4.1 from ports.  I
did not have this problem in gnome 2.4.0 and this machine's current
incarnation never had gnome 2.4.0 installed since I first thought this
was a problem with the port upgrade and something from the old port
conflicting with the new port.  (Still getting used to ports here.)  I
have attached the log from XFree that corresponds to the crash.  Thanks
for any help.

Tom

(P.S. While I was looking for the correct log to attach I noticed that I
have :0.log, :20.log, XFree86.0.log, and XFree86.20.log.  Can someone
explain the naming convention?  Why do I have two 0 and two 20 logs?)
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xnest warning: unhandled event