[arch-general] glx module is not loaded

[arnaud gaboury]

/etc/X11/xorg.conf.d/10-modules.conf
--------------------------
Section "Module"
    Load    "glx"
EndSection
---------------------------

~/.local/share/xorg/Xorg.o.log
---------------------------
[    19.596] (II) "glx" will be loaded. This was enabled by default
and also specified in the config file.
[    19.596] (II) LoadModule: "glx"
[    19.598] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[    19.598] (EE) Failed to load
/usr/lib/xorg/modules/extensions/libglx.so:
/usr/lib/xorg/modules/extensions/libglx.so: cannot open shared object
file: No such file or directory
[    19.598] (II) UnloadModule: "glx"
[    19.598] (II) Unloading glx
[    19.598] (EE) Failed to load module "glx" (loader failed, 7)
--------------------------------------

gabx at hortensia ➤➤ ~/bin % ls -al /usr/lib/xorg/modules/extensions/libglx.so
lrwxrwxrwx 1 root root 11 Jan 12 16:16
/usr/lib/xorg/modules/extensions/libglx.so -> libglx.xorg*
gabx at hortensia ➤➤ ~/bin %

gabx at hortensia ➤➤ ~/bin % myps Xorg
146:gabx      2010  2009  1 Jan17 tty1     01:57:21 /usr/bin/Xorg.bin
-nolisten tcp vt1


I use nouveau driver, start my x session on console with $ xinit

Why is libglx.so not seen when it exists indeed ?

Thank you for hints