Public bug reported:
I was trying to get remote X11 working on my Ubuntu-Gutsy-build-13 laptop with
compiz and emerald. After lots of work, I saw this line when I did a ps -ef
-ww|grep X:
matthew 11391 11337 0 12:12 ? 00:00:00 /bin/sh
/usr/share/xserver-xgl/Xgl-lockfile-wrapper :1 -accel xv:pbuffer -accel
glx:pbuffer -nolisten tcp -fullscreen -br +xinerama
As you can see, it is the -nolisten tcp flag that is killing the remote
X11 connection. I set out to find a way to remove the flag.
The first thing I did was make sure that the box "Deny remote TCP
connections" was unchecked in gdmsetup. I preceded to edit
/etc/gdm/gdm.conf, /etc/gdm/gdm.conf-custom, /etc/X11/xinit/xserverrc,
and many other files I can't remember.
I then tried logging in to "Failsafe GNOME" instead of "Run XClient
Script", and the argument was gone. I concluded that it was XGL causing
the problem.
Finally, I did a grep nolisten on /etc/X11 and got this line:
98xserver-xgl_start-server:XGL_OPTS="-nolisten tcp -fullscreen -br +xinerama"
Bingo! I edited that file to remove the -nolisten tcp argument and restarted
the X server, and ps -ef -ww|grep X now said:
matthew 11391 11337 0 12:12 ? 00:00:00 /bin/sh
/usr/share/xserver-xgl/Xgl-lockfile-wrapper :1 -accel xv:pbuffer -accel
glx:pbuffer -fullscreen -br +xinerama
I can provide any other info you need.
** Affects: xserver-xgl (Ubuntu)
Importance: Undecided
Status: New
** Tags: compiz gdm gdmsetup nolisten remote tcp x11 xgl xserver
--
XGL supercedes GDM for X server startup options
https://bugs.launchpad.net/bugs/150628
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