(process:11947): Gtk-WARNING **: This process is currently running setuid or setgid.
This is not a supported use of GTK+. You must create a helper
program instead. For further details, see:

    http://www.gtk.org/setuid.html

Refusing to initialize GTK+.

(process:11951): Gtk-WARNING **: This process is currently running setuid or setgid.
This is not a supported use of GTK+. You must create a helper
program instead. For further details, see:

    http://www.gtk.org/setuid.html

Refusing to initialize GTK+.
/etc/gdm/Xsession: Beginning session setup...
Setting IM through im-switch for locale=en_US.
Start IM through /etc/X11/xinit/xinput.d/all_ALL linked to /etc/X11/xinit/xinput.d/default.
Checking for nVidia: present. 
Starting Xgl with options:  -accel xv:fbo -accel glx:pbuffer -nolisten tcp -fullscreen -br +xinerama 

Fatal server error:
no GLX visuals available

rm: cannot remove `/tmp/.X1-lock': No such file or directory
rm: cannot remove `/tmp/.X11-unix/X1': No such file or directory
xmodmap:  unable to open display ':1'

(gnome-session:11944): Gtk-WARNING **: cannot open display: