Public bug reported:

Ubuntu 17.10, Nvidia drivers installed (official package nvidia-384).
Computer: HP laptop: HP 14-008nf (with graphics: integrated + NVidia Geforce 
940mx)

Sometimes when i reboot the Ubuntu login screen is reversed, all the
screen is upside down, then just rebooting without changing anything and
it's back to normal...but not all the time (sometimes after booting to
Windows also, cause i have dual boot)

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: xorg 1:7.7+19ubuntu3
ProcVersionSignature: Ubuntu 4.13.0-37.42-generic 4.13.13
Uname: Linux 4.13.0-37-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
.proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0000:01:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module  384.111  Tue Dec 19 23:51:45 
PST 2017
 GCC version:  gcc version 7.2.0 (Ubuntu 7.2.0-8ubuntu3.2)
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Thu Apr  5 01:55:57 2018
DistUpgraded: Fresh install
DistroCodename: artful
DistroVariant: ubuntu
DkmsStatus:
 bbswitch, 0.8, 4.13.0-21-generic, x86_64: installed
 bbswitch, 0.8, 4.13.0-37-generic, x86_64: installed
 nvidia-384, 384.111, 4.13.0-21-generic, x86_64: installed
 nvidia-384, 384.111, 4.13.0-37-generic, x86_64: installed
 virtualbox, 5.1.34, 4.13.0-37-generic, x86_64: installed
GraphicsCard:
 Intel Corporation HD Graphics 520 [8086:1916] (rev 07) (prog-if 00 [VGA 
controller])
   Subsystem: Hewlett-Packard Company HD Graphics 520 [103c:820a]
   Subsystem: Hewlett-Packard Company GM108M [GeForce 940MX] [103c:820a]
InstallationDate: Installed on 2018-03-16 (19 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 0bda:b008 Realtek Semiconductor Corp. 
 Bus 001 Device 002: ID 05c8:038e Cheng Uei Precision Industry Co., Ltd 
(Foxlink) 
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: HP HP Pavilion Notebook
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-37-generic.efi.signed 
root=UUID=ce30d1fb-9d99-4019-8b24-6cd1462d771d ro quiet splash pci=noaer 
vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/04/2016
dmi.bios.vendor: Insyde
dmi.bios.version: F.08
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 820A
dmi.board.vendor: HP
dmi.board.version: 82.26
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnInsyde:bvrF.08:bd07/04/2016:svnHP:pnHPPavilionNotebook:pvrType1ProductConfigId:rvnHP:rn820A:rvr82.26:cvnHP:ct10:cvrChassisVersion:
dmi.product.family: 103C_5335KV G=N L=CON B=HP S=PAV X=Null
dmi.product.name: HP Pavilion Notebook
dmi.product.version: Type1ProductConfigId
dmi.sys.vendor: HP
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.83-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.8-0ubuntu0~17.10.1
version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.8-0ubuntu0~17.10.1
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2

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


** Tags: amd64 apport-bug artful ubuntu

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https://bugs.launchpad.net/bugs/1761338

Title:
  Login screen upside down(reversed)

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