Public bug reported:

I am experiencing frequent display corruption after installing Ubuntu 17.10 on 
my 2013 Macbook Air (version 6.2).
The display flickers with a corrupted image for a brief second before returning 
to normal.

Booting with nomodeset removes the corruption. I have tried some of the
workarounds listed on the archwiki for screen flickering on intel
(https://wiki.archlinux.org/index.php/intel_graphics#Screen_flickering).
They did not work for me.

Also. I don't think this is related to any specific applications,
because I get the corruption regardless of distro and desktop
environment.

Even though the corruption happens regularly (at least once every 10
secons), I have also found a way to manually trigger it. If I run lm-
sensors, the display will show major corruption for a second.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.13.0-16-generic 4.13.0-16.19 [modified: 
boot/vmlinuz-4.13.0-16-generic]
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.7-0ubuntu3.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  drblah     1467 F.... pulseaudio
 /dev/snd/controlC1:  drblah     1467 F.... pulseaudio
CurrentDesktop: Budgie:GNOME
Date: Sat Oct 28 22:44:20 2017
HibernationDevice: RESUME=UUID=cf502dac-fe57-42d2-85c8-0c6ed46b133a
InstallationDate: Installed on 2017-10-28 (0 days ago)
InstallationMedia: Ubuntu-Budgie 17.10 "Artful Aardvark" - Release amd64 
(20171017.1)
MachineType: Apple Inc. MacBookAir6,2
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-16-generic.efi.signed 
root=/dev/mapper/ubuntu--budgie--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.13.0-16-generic N/A
 linux-backports-modules-4.13.0-16-generic  N/A
 linux-firmware                             1.169
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/08/2017
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBA61.88Z.0103.B00.1708080653
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-7DF21CB3ED6977E5
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookAir6,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-7DF21CB3ED6977E5
dmi.modalias: 
dmi:bvnAppleInc.:bvrMBA61.88Z.0103.B00.1708080653:bd08/08/2017:svnAppleInc.:pnMacBookAir6,2:pvr1.0:rvnAppleInc.:rnMac-7DF21CB3ED6977E5:rvrMacBookAir6,2:cvnAppleInc.:ct10:cvrMac-7DF21CB3ED6977E5:
dmi.product.family: MacBook Air
dmi.product.name: MacBookAir6,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug artful

** Attachment added: "Video showing the screen corruption."
   
https://bugs.launchpad.net/bugs/1728303/+attachment/4998997/+files/flickering.mp4

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https://bugs.launchpad.net/bugs/1728303

Title:
  Display corruption on intel haswell Macbook Air

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I am experiencing frequent display corruption after installing Ubuntu 17.10 
on my 2013 Macbook Air (version 6.2).
  The display flickers with a corrupted image for a brief second before 
returning to normal.

  Booting with nomodeset removes the corruption. I have tried some of
  the workarounds listed on the archwiki for screen flickering on intel
  (https://wiki.archlinux.org/index.php/intel_graphics#Screen_flickering).
  They did not work for me.

  Also. I don't think this is related to any specific applications,
  because I get the corruption regardless of distro and desktop
  environment.

  Even though the corruption happens regularly (at least once every 10
  secons), I have also found a way to manually trigger it. If I run lm-
  sensors, the display will show major corruption for a second.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: linux-image-4.13.0-16-generic 4.13.0-16.19 [modified: 
boot/vmlinuz-4.13.0-16-generic]
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.7-0ubuntu3.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  drblah     1467 F.... pulseaudio
   /dev/snd/controlC1:  drblah     1467 F.... pulseaudio
  CurrentDesktop: Budgie:GNOME
  Date: Sat Oct 28 22:44:20 2017
  HibernationDevice: RESUME=UUID=cf502dac-fe57-42d2-85c8-0c6ed46b133a
  InstallationDate: Installed on 2017-10-28 (0 days ago)
  InstallationMedia: Ubuntu-Budgie 17.10 "Artful Aardvark" - Release amd64 
(20171017.1)
  MachineType: Apple Inc. MacBookAir6,2
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-16-generic.efi.signed 
root=/dev/mapper/ubuntu--budgie--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.13.0-16-generic N/A
   linux-backports-modules-4.13.0-16-generic  N/A
   linux-firmware                             1.169
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/08/2017
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA61.88Z.0103.B00.1708080653
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-7DF21CB3ED6977E5
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir6,2
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-7DF21CB3ED6977E5
  dmi.modalias: 
dmi:bvnAppleInc.:bvrMBA61.88Z.0103.B00.1708080653:bd08/08/2017:svnAppleInc.:pnMacBookAir6,2:pvr1.0:rvnAppleInc.:rnMac-7DF21CB3ED6977E5:rvrMacBookAir6,2:cvnAppleInc.:ct10:cvrMac-7DF21CB3ED6977E5:
  dmi.product.family: MacBook Air
  dmi.product.name: MacBookAir6,2
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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