Comment 3 for bug 439233

It still cannot run!
and don't launch apport! (/var/crash is empty!)

I have gnome-shell 2.28.0-0ubuntu2.

the output of gnome-shell -r is:

Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Error: couldn't find RGB GLX visual or fbconfig
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Failed to start shell
Traceback (most recent call last):
  File "/usr/bin/gnome-shell", line 265, in <module>
    shell = start_shell()
  File "/usr/bin/gnome-shell", line 138, in start_shell
    (server_glx_extensions, client_glx_extensions, glx_extensions) = _get_glx_extensions()
  File "/usr/bin/gnome-shell", line 75, in _get_glx_extensions
    server_glx_extensions = set(re.split("\s*,\s*", glxinfo_map['server glx extensions'].strip()))
KeyError: 'server glx extensions'
armin@armin-laptop:/etc/apache2$ Cannot register the panel shell: there is already one running.
Window manager warning: Screen 0 on display ":0.0" already has a window manager; try using the --replace option to replace the current window manager.