package libxcursor1:amd64 1:1.1.14-1 failed to install/upgrade: Paket ist in einem sehr schlechten inkonsistenten Zustand - Sie sollten es nochmal installieren, bevor Sie die Konfiguration versuchen.

[Björn Rathsack]

trying to install drivers for Optimus graphics at Lenovo T420, additional fan control. After reboot the system does not work, so i have to repair it with the console...

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libxcursor1:amd64 1:1.1.14-1
ProcVersionSignature: Ubuntu 4.10.0-28.32~16.04.2-generic 4.10.17
Uname: Linux 4.10.0-28-generic x86_64
.tmp.unity_support_test.0:

ApportVersion: 2.20.1-0ubuntu2.10
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
Date: Thu Nov 30 22:41:41 2017
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
ErrorMessage: Paket ist in einem sehr schlechten inkonsistenten Zustand - Sie sollten es nochmal installieren, bevor Sie die Konfiguration versuchen.
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo 2nd Generation Core Processor Family Integrated Graphics Controller [17aa:21d0]
 NVIDIA Corporation GF119M [Quadro NVS 4200M] [10de:1057] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Lenovo GF119M [Quadro NVS 4200M] [17aa:21d0]
MachineType: LENOVO 4236VML
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-28-generic root=UUID=05281740-a0da-4925-a99e-014a01c71f61 ro quiet splash
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.3
 apt 1.2.24
SourcePackage: libxcursor
Title: package libxcursor1:amd64 1:1.1.14-1 failed to install/upgrade: Paket ist in einem sehr schlechten inkonsistenten Zustand - Sie sollten es nochmal installieren, bevor Sie die Konfiguration versuchen.
UpgradeStatus: No upgrade log present (probably fresh install)
XorgLogOld:

dmi.bios.date: 07/05/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 83ET76WW (1.46 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4236VML
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr83ET76WW(1.46):bd07/05/2013:svnLENOVO:pn4236VML:pvrThinkPadT420:rvnLENOVO:rn4236VML:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4236VML
dmi.product.version: ThinkPad T420
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.76-1~ubuntu16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.0.7-0ubuntu0.16.04.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 17.0.7-0ubuntu0.16.04.2
version.xserver-xorg-core: xserver-xorg-core N/A
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
xserver.bootTime: Thu Nov 30 22:34:48 2017
xserver.configfile: default
xserver.errors:
 Failed to load module "nvidia" (module does not exist, 0)
 Failed to load module "nvidia" (module does not exist, 0)
 NOUVEAU(G0): [XvMC] Failed to initialize extension.
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.19.3-1ubuntu1~16.04.4
xserver.video_driver: modeset