Comment 15 for bug 38692

I still have the same problem.
Is there any workaround here?
There is settings window snapshot in attachment.

$ sudo kcmshell displayconfig
Password:
X Error: BadDevice, invalid or uninitialized input device 169
  Major opcode: 145
  Minor opcode: 3
  Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 169
  Major opcode: 145
  Minor opcode: 3
  Resource id: 0x0
Failed to open device
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

kdeinit: Can't connect to the X Server.
kdeinit: Might not terminate at end of session.
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

kded: cannot connect to X server :0
kded: ERROR: KUniqueApplication: Registering failed!
kded: ERROR: Communication problem with kded, it probably crashed.

Pythonize constructor -- pid = 8607
Python interpreter initialized!

Pythonize constructor -- pid = 8607
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

Traceback (most recent call last):
  File "<string>", line 8, in kcontrol_bridge_create_displayconfig
  File "/var/lib/python-support/python2.5/displayconfig.py", line 1698, in create_displayconfig
    return DisplayApp(parent, name)
  File "/var/lib/python-support/python2.5/displayconfig.py", line 437, in __init__
    self.xf86server = xf86misc.XF86Server()
  File "/var/lib/python-support/python2.5/xf86misc.py", line 133, in __init__
    raise XF86Error, "Couldn't connect to X server."
xf86misc.XF86Error: Couldn't connect to X server.
Error in sys.excepthook:
Traceback (most recent call last):
  File "/var/lib/python-support/python2.5/apport_python_hook.py", line 44, in apport_excepthook
    binary = os.path.realpath(os.path.join(os.getcwdu(), sys.argv[0]))
AttributeError: 'module' object has no attribute 'argv'

Original exception was:
Traceback (most recent call last):
  File "<string>", line 8, in kcontrol_bridge_create_displayconfig
  File "/var/lib/python-support/python2.5/displayconfig.py", line 1698, in create_displayconfig
    return DisplayApp(parent, name)
  File "/var/lib/python-support/python2.5/displayconfig.py", line 437, in __init__
    self.xf86server = xf86misc.XF86Server()
  File "/var/lib/python-support/python2.5/xf86misc.py", line 133, in __init__
    raise XF86Error, "Couldn't connect to X server."
xf86misc.XF86Error: Couldn't connect to X server.
error: *** runFunction failure
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