Please try:
1. Disabling visual bell in Settings > Universal Access > Hearing >
Visual Alerts = Off
2. Select 'Ubuntu on Wayland' from the login screen. Does that avoid the
issue?
3. Next time the problem starts happening run:
journalctl -b0 > journal.txt
and then attach the resulting file here.
** Package changed: xorg (Ubuntu) => ubuntu
** Changed in: ubuntu
Status: New => Incomplete
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1876487
Title:
The screen is blinking at a random time
Status in Ubuntu:
Incomplete
Bug description:
I've seen this error on Dell Latitude E7270 (with an internal video
card) as well as Dell Precision 7540 (with NVidia card).
I've seen this error on Ubuntu 18.04 and now on 20.04
I've never reported it yet but I think the time has come.
In a random time (~ once a couple of weeks) I see a blinking screen.
Today I've recorded a video on my phone to show you how it looks.
You can see it here: https://youtu.be/JiUu7Ydg6uM
This is bug finishes when I do logout from my desktop. Could you help
me eliminate this error?
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-28.32-generic 5.4.30
Uname: Linux 5.4.0-28-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Sat May 2 19:28:27 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus:
virtualbox, 6.1.6, 5.4.0-21-generic, x86_64: installed
virtualbox, 6.1.6, 5.4.0-25-generic, x86_64: installed
virtualbox, 6.1.6, 5.4.0-26-generic, x86_64: installed
virtualbox, 6.1.6, 5.4.0-28-generic, x86_64: installed
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] [1028:06db]
InstallationDate: Installed on 2020-04-09 (23 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
MachineType: Dell Inc. Latitude E7270
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-28-generic
root=UUID=9427d12e-3c69-4eb4-aa23-52bfe8bd2641 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/20/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.20.3
dmi.board.name: 0T0V7J
dmi.board.vendor: Dell Inc.
dmi.board.version: A03
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.20.3:bd08/20/2018:svnDellInc.:pnLatitudeE7270:pvr:rvnDellInc.:rn0T0V7J:rvrA03:cvnDellInc.:ct9:cvr:
dmi.product.family: Latitude
dmi.product.name: Latitude E7270
dmi.product.sku: 06DB
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-2ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2
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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