This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1840236

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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  Horizontal corrupted line at top of screen caused by framebuffer

Status in linux package in Ubuntu:

Bug description:
  This is an follow-up for but found on
  IceLake platforms.

  Right after GDM is login screen is rendered, there might be a thin
  strap of corrupted image at top of the display for a short while. Like
  f-d-o bug 108085, sometimes it can also be reproduced by clicking the
  date/time repeatedly to open and close the calendar several times.

  Known work-around so far is to append kernel boot param

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-5.0.0-1018-oem-osp1 5.0.0-1018.20
  ProcVersionSignature: Ubuntu 5.0.0-1018.20-oem-osp1 5.0.18
  Uname: Linux 5.0.0-1018-oem-osp1 x86_64
  ApportVersion: 2.20.9-0ubuntu7.7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Aug 15 16:41:01 2019
   # This is the distribution channel descriptor for the OEM CDs
   # For more information see
  InstallationDate: Installed on 2019-08-12 (3 days ago)
  InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 
  SourcePackage: linux-signed-oem-osp1
  UpgradeStatus: No upgrade log present (probably fresh install)

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