[Bug 1780672] Re: login screen "greyed out", no mouse or keyboard inputs

[Phillip Susi]

** Package changed: grub-installer (Ubuntu) => ubuntu

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https://bugs.launchpad.net/bugs/1780672

Title:
  login screen "greyed out", no mouse or keyboard inputs

Status in Ubuntu:
  New

Bug description:
  Unable to log into 18.04. Worked for about a month, then suddenly
  stopped. Boot appeared normal until login screen. Login screen
  appeared to be "greyed out", mouse and keyboard did not work. System
  clock appeared ok.

  CTL-ALT-F2 did not open new terminal. CTL-ALT-F7 did not reset login
  screen or desktop.

  Changed boot process to verbose. No errors observed on startup.

  I've recovered a lot of Ubuntu machines, this problem is new to me.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  CasperVersion: 1.394
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Jul  8 13:02:50 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  ProcEnviron:
   LANGUAGE=en_US.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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