Public bug reported:

This looks like a regression from the 5.13.0-20-generic kernel to the
5.15.0-17-generic kernel. The display works fine under efifb, but as
soon as the DRM drivers are loaded and KMS kicks in the display is
replaced by black with flickering white (apparently when what would be
on the output changes).

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-5.15.0-17-generic 5.15.0-17.17
ProcVersionSignature: Ubuntu 5.13.0-20.20-generic 5.13.14
Uname: Linux 5.13.0-20-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu75
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  chris      7134 F.... pipewire-media-
 /dev/snd/seq:        chris      7133 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Jan 21 17:07:08 2022
InstallationDate: Installed on 2021-06-26 (208 days ago)
InstallationMedia: Ubuntu 21.10.0 2021.05.28 amd64 "bcachefs" (20210622)
MachineType: Dell Inc. XPS 15 9575
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.13.0-20-generic 
root=UUID=ff90803a-eedd-429b-bb78-b713f7c661d6 ro quiet splash
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-5.13.0-20-generic N/A
 linux-backports-modules-5.13.0-20-generic  N/A
 linux-firmware                             1.204
SourcePackage: linux
UpgradeStatus: Upgraded to jammy on 2021-10-28 (84 days ago)
dmi.bios.date: 07/07/2019
dmi.bios.release: 1.7
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.7.1
dmi.board.name: 0C32VW
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 31
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvr1.7.1:bd07/07/2019:br1.7:svnDellInc.:pnXPS159575:pvr:sku080D:rvnDellInc.:rn0C32VW:rvrA00:cvnDellInc.:ct31:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 15 9575
dmi.product.sku: 080D
dmi.sys.vendor: Dell Inc.

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


** Tags: amd64 apport-bug jammy wayland-session

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https://bugs.launchpad.net/bugs/1958620

Title:
  Flickering white/black screen once KMS comes up

Status in linux package in Ubuntu:
  New

Bug description:
  This looks like a regression from the 5.13.0-20-generic kernel to the
  5.15.0-17-generic kernel. The display works fine under efifb, but as
  soon as the DRM drivers are loaded and KMS kicks in the display is
  replaced by black with flickering white (apparently when what would be
  on the output changes).

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: linux-image-5.15.0-17-generic 5.15.0-17.17
  ProcVersionSignature: Ubuntu 5.13.0-20.20-generic 5.13.14
  Uname: Linux 5.13.0-20-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu75
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  chris      7134 F.... pipewire-media-
   /dev/snd/seq:        chris      7133 F.... pipewire
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Jan 21 17:07:08 2022
  InstallationDate: Installed on 2021-06-26 (208 days ago)
  InstallationMedia: Ubuntu 21.10.0 2021.05.28 amd64 "bcachefs" (20210622)
  MachineType: Dell Inc. XPS 15 9575
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.13.0-20-generic 
root=UUID=ff90803a-eedd-429b-bb78-b713f7c661d6 ro quiet splash
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-5.13.0-20-generic N/A
   linux-backports-modules-5.13.0-20-generic  N/A
   linux-firmware                             1.204
  SourcePackage: linux
  UpgradeStatus: Upgraded to jammy on 2021-10-28 (84 days ago)
  dmi.bios.date: 07/07/2019
  dmi.bios.release: 1.7
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.7.1
  dmi.board.name: 0C32VW
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 31
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.7.1:bd07/07/2019:br1.7:svnDellInc.:pnXPS159575:pvr:sku080D:rvnDellInc.:rn0C32VW:rvrA00:cvnDellInc.:ct31:cvr:
  dmi.product.family: XPS
  dmi.product.name: XPS 15 9575
  dmi.product.sku: 080D
  dmi.sys.vendor: Dell Inc.

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