Public bug reported:

My Lenovo Thinkpad X230 Tablet laptop has a VGA and a DVI connector.  I
had the VGA hooked up to a Viewsonic 1920x1080 monitor, positioned above
it.  From Settings I tried to add a Samsung monitor to the right of the
Viewsonic, via a DVI-to-HDMI passive connector, and got this dialog box
when I hit "Apply":

   The selected configuration for displays could not be applied
   could not set the configuration for CRTC 65

I clicked "OK" and got another dialog box:
   Failed to apply configuration: %s
   Can't add monitor: 
GDBus.Error:org.gtk.GDBus.UnmappedGError.Quark._gnome_2drr_2derror_2dquark.Code2:
 could not set the configuration for CRTC 65

Previously it had worked to set up all three like this.

This is on Trusty 64-bit, up-to-date with upgrades.
 
This bug seems similar to #1304627, but it seemed cleanest to get all the right 
information reported via ubuntu-bug.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-43.72-generic 3.13.11.11
Uname: Linux 3.13.0-43-generic x86_64
.tmp.unity.support.test.0:
 
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Fri Jan  9 15:35:57 2015
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 
09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:2203]
InstallationDate: Installed on 2015-01-01 (8 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: LENOVO 343522U
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.13.0-43-generic 
root=UUID=6dce26c4-3d5b-4980-880e-06f249f77c57 ro rootflags=subvol=@ quiet 
splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/22/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: GCET96WW (2.56 )
dmi.board.asset.tag: Not Available
dmi.board.name: 343522U
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvrGCET96WW(2.56):bd10/22/2013:svnLENOVO:pn343522U:pvrThinkPadX230Tablet:rvnLENOVO:rn343522U:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 343522U
dmi.product.version: ThinkPad X230 Tablet
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.11.3+14.04.20141104-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.56-1~ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.2
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Thu Jan  8 07:07:01 2015
xserver.configfile: default
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                                 728 
 vendor                                     LGD
xserver.version: 2:1.15.1-0ubuntu2.6

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug compiz-0.9 trusty ubuntu

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1409166

Title:
  Can't add monitor:
  
GDBus.Error:org.gtk.GDBus.UnmappedGError.Quark._gnome_2drr_2derror_2dquark.Code2:
  could not set the configuration for CRTC 65

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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1409166/+subscriptions

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