Public bug reported:

Similer to bug 316514 but involves kded4.

[System Setup]
3 Nvidia GFX cards (GTX 650 Ti Boost, GT 520, 8400 GS), 2 in use, in a 
multi-monitor multi-gpu setup (i.e. one monitor on one gpu).

[Situation]
Kded4 crashes upon bootup and/or login.
What happens is that anything that uses kded4 will not work.  CTRL+ALT+Fn just 
shows an "_" on screen, ALT+F2 does not work,  going into System 
Settings>Startup and Shutdown>Service Manager reports that KDED4 is not 
running, and shutdown/restart/logout via application launcher does not work.
Running kded4 in a konsole terminal reports errors regarding "RANDR" not 
reporting screen data.

["Solution"]
Go to  /etc/X11/xorg.conf and comment out/disable Xinerama.

[What should be the ideal solution]
Being able to span a desktop between two or more monitors on different cards 
without kded4 crashing.

** Affects: nvidia-drivers-ubuntu
     Importance: Undecided
         Status: New

** Affects: colord-kde (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: kded4 randr xinerama

** Tags added: kded4 randr xinerama

** Also affects: nvidia-drivers-ubuntu
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1216556

Title:
  Kded4 crashes when using Xinerama.  (Kubuntu 13.04 Raring Ringtail)

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