X server stopped loading with "Number of created screens does not match number of detected devices."

[Manvel Avetisian]

Basically, it says that "number of created screens does not match number of detected devices."

I tinkered with Nvidia drivers, and re-installed xorg without any success.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
Uname: Linux 4.4.0-38-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
BootLog:

CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
Date: Fri Sep 30 05:31:22 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DkmsStatus: bbswitch, 0.8, 4.4.0-38-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
 NVIDIA Corporation GM107 [GeForce GTX 750 Ti] [10de:1380] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Micro-Star International Co., Ltd. [MSI] GM107 [GeForce GTX 750 Ti] [1462:8a9b]
InstallationDate: Installed on 2016-08-14 (46 days ago)
InstallationMedia: Kubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
MachineType: MSI MS-7996
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-38-generic.efi.signed root=UUID=b01f563b-7260-4e71-9128-819de8ab8e84 ro quiet splash
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/27/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2.80
dmi.board.asset.tag: Default string
dmi.board.name: H110M PRO-VD (MS-7996)
dmi.board.vendor: MSI
dmi.board.version: 1.0
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2.80:bd07/27/2016:svnMSI:pnMS-7996:pvr1.0:rvnMSI:rnH110MPRO-VD(MS-7996):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.name: MS-7996
dmi.product.version: 1.0
dmi.sys.vendor: MSI
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.2
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2.2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Fri Sep 30 05:15:09 2016
xserver.configfile: /root/xorg.conf.new
xserver.devices:

xserver.errors:
 dbus-core: error connecting to system bus: org.freedesktop.DBus.Error.FileNotFound (Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory)
 Unknown chipset: NV117
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:

xserver.version: 2:1.18.3-1ubuntu2.3

[Manvel Avetisian (manvel)]

Please see XorgLog.txt for error message.

I worked with same configuration for month or two, and the problems started after restart yesterday.

[Paul White (paulw2u)]

We are sorry that we do not always have the capacity to review all reported bugs in a timely manner. You reported this bug some time ago and there have been many changes in Ubuntu since that time.

Ubuntu 16.04 (xenial) reached end-of-standard-support on April 29, 2021.

Do you still see a problem related to the one that you reported when using a currently supported version of Ubuntu? Please let us know if you do otherwise this report can be left to expire in approximately 60 days time.

Thank you for helping make Ubuntu better.

[Launchpad Janitor (janitor)]

[Expired for xorg (Ubuntu) because there has been no activity for 60 days.]