[Bug 1909496] Re: [i915] Blinking unlock screen

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: mutter (Ubuntu)
Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1909496

Title:
[i915] Blinking unlock screen

Status in linux package in Ubuntu:
Confirmed
Status in mutter package in Ubuntu:
Confirmed

Bug description:
Hello,
I am facing this issue since the upgrade of Ubuntu to Ubuntu 20.04.1 LTS. The issue still persists even after re-installing Ubuntu 20.04.1 LTS.

Due to inactivity the system goes to the Suspend mode. On restoring from the suspend mode the login screen appears but it starts to blink continuously making it impossible to use the system.
The only option is to force restart the system.

Please let me know if this is an already known issue/bug and if there
is a solution available for the same.

Thank You

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-58.64-generic 5.4.73
Uname: Linux 5.4.0-58-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Dec 28 19:21:12 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Dell Skylake GT2 [HD Graphics 520] [1028:0793]
InstallationDate: Installed on 2020-12-27 (0 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
MachineType: Dell Inc. Vostro 15-3568
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-58-generic root=UUID=44a1973f-ce3f-46bb-ab72-156c1d047556 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/23/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 01.08.00
dmi.board.name: 05HRPP
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr01.08.00:bd03/23/2017:svnDellInc.:pnVostro15-3568:pvr:rvnDellInc.:rn05HRPP:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.family: Vostro
dmi.product.name: Vostro 15-3568
dmi.product.sku: 0793
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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