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On 2019-02-02T06:21:08+00:00 daisy.rose021 wrote:

I've installed Ubuntu 19.04 on a NETBOX nT-435/535 and no login screen
displayed whenever the VGA is connected to LG monitor.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1812359/comments/84

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On 2019-02-02T06:22:48+00:00 daisy.rose021 wrote:

Created attachment 280927
LVDS & VGA status

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1812359/comments/85

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On 2019-02-18T08:53:08+00:00 kai.heng.feng wrote:

Please file i915 bugs to https://bugs.freedesktop.org

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1812359/comments/88


** Changed in: linux
       Status: Unknown => Confirmed

** Changed in: linux
   Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/1812359

Title:
  No login screen displayed on a NETBOX nT-435/535 (kernel reports an
  LVDS output which does not exist as connected and on)

Status in Linux:
  Confirmed
Status in linux package in Ubuntu:
  Triaged

Bug description:
  On a machine with only one display (VGA), the kernel is reporting two:

  grep . /sys/class/drm/*/enabled

     /sys/class/drm/card0-LVDS-1/enabled:enabled
     /sys/class/drm/card0-VGA-1/enabled:enabled

  ls /sys/class/drm

     card0 card0-LVDS-1 card0-VGA-1 renderD128 version

  grep . /sys/class/drm/*/dpms

     /sys/class/drm/card0-LVDS-1/dpms:On
     /sys/class/drm/card0-VGA-1/dpms:On

  which then triggers bug 1760849 and the login screen is never visible.

  ---

  $ dpkg -s mutter
  Package: mutter
  Status: install ok installed
  Priority: optional
  Section: x11
  Installed-Size: 101
  Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
  Architecture: amd64
  Version: 3.28.3-2~ubuntu18.04.2
  Provides: x-window-manager
  Depends: libc6 (>= 2.4), libglib2.0-0 (>= 2.53.2), libmutter-2-0 (>= 3.28.2), 
libx11-6, libxcomposite1 (>= 1:0.3-1), mutter-common (>= 
3.28.3-2~ubuntu18.04.2), gnome-settings-daemon, gsettings-desktop-schemas (>= 
3.21.4), zenity
  Suggests: gnome-control-center (>= 1:3.25.2), xdg-user-dirs
  Description: lightweight GTK+ window manager
   Mutter is a small window manager, using GTK+ and Clutter to do
   everything.
   .
   Mutter is the clutter-based evolution of Metacity, which, as the
   author says, is a "Boring window manager for the adult in you. Many
   window managers are like Marshmallow Froot Loops; Metacity is like
   Cheerios."
   .
   This package contains the core binaries.
  Original-Maintainer: Debian GNOME Maintainers 
<pkg-gnome-maintain...@lists.alioth.debian.org>

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: mutter 3.28.3-2~ubuntu18.04.2
  ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
  Uname: Linux 4.15.0-43-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Jan 18 15:02:22 2019
  InstallationDate: Installed on 2019-01-18 (0 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_IN
   SHELL=/bin/bash
  SourcePackage: mutter
  UpgradeStatus: No upgrade log present (probably fresh install)

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