Public bug reported:
I have an issue since about a week or so, the display blinks black, like
it's turning off and on again. The black blink lasts for not more than a
second. I haven't managed to reproduce it in UEFI yet, so i believe it
might not be a hardware issue.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-52.57-lowlatency 5.4.65
Uname: Linux 5.4.0-52-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu27.10
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sat Oct 24 12:29:59 2020
DistUpgraded: 2020-10-23 18:35:32,104 DEBUG /openCache(), new cache size 66443
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus:
nvidia, 450.80.02, 5.4.0-51-lowlatency, x86_64: installed
nvidia, 450.80.02, 5.4.0-52-lowlatency, x86_64: installed
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA
controller])
Subsystem: Acer Incorporated [ALI] UHD Graphics 620 [1025:1193]
Subsystem: Acer Incorporated [ALI] GP108M [GeForce MX150] [1025:119a]
InstallationDate: Installed on 2020-02-08 (258 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: Acer Aspire A515-51G
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-52-lowlatency
root=/dev/mapper/vgubuntu-root ro quiet splash
resume=UUID=f0e63db4-d3af-4977-a82a-5a46a3c677ae lockdown=confidentiality
intel_iommu=on
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to focal on 2020-10-23 (0 days ago)
dmi.bios.date: 01/03/2019
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V2.02
dmi.board.asset.tag: Type2 - Board Serial Number
dmi.board.name: Charmander_KL
dmi.board.vendor: KBL
dmi.board.version: V2.02
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V2.02
dmi.modalias:
dmi:bvnInsydeCorp.:bvrV2.02:bd01/03/2019:svnAcer:pnAspireA515-51G:pvrV2.02:rvnKBL:rnCharmander_KL:rvrV2.02:cvnAcer:ct10:cvrV2.02:
dmi.product.family: Aspire 5
dmi.product.name: Aspire A515-51G
dmi.product.sku: 0000000000000000
dmi.product.version: V2.02
dmi.sys.vendor: Acer
mtime.conffile..etc.apport.crashdb.conf: 2020-05-15T09:41:35.683742
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 2:1.20.8-2ubuntu2.4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal ubuntu wayland-session
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https://bugs.launchpad.net/bugs/1901296
Title:
Display blinks black from time to time
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