Screen brightness doesn't remember current setting when plugging in or unplugging AC power

Bug #1905093 reported by Dustin Nisbet-Jones
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

The screen brightness will go to the lowest setting when plugging in or unplugging the charger from my laptop. It doesn't always do this but 70% of the time.

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: linux-image-5.8.0-29-generic 5.8.0-29.31
ProcVersionSignature: Ubuntu 5.8.0-29.31-generic 5.8.14
Uname: Linux 5.8.0-29-generic x86_64
ApportVersion: 2.20.11-0ubuntu50.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC2: dustin 1782 F.... pulseaudio
 /dev/snd/controlC1: dustin 1782 F.... pulseaudio
 /dev/snd/controlC0: dustin 1782 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov 20 14:14:10 2020
InstallationDate: Installed on 2020-07-15 (128 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: Acer Swift SF314-42
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-29-generic root=UUID=d498d6fe-a45c-4a33-a6d1-b036da243cb3 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.8.0-29-generic N/A
 linux-backports-modules-5.8.0-29-generic N/A
 linux-firmware 1.190.1
SourcePackage: linux
UpgradeStatus: Upgraded to groovy on 2020-11-10 (10 days ago)
dmi.bios.date: 06/08/2020
dmi.bios.release: 1.4
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.04
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: Kona_RN
dmi.board.vendor: RO
dmi.board.version: V1.04
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.04
dmi.ec.firmware.release: 1.4
dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.04:bd06/08/2020:br1.4:efr1.4:svnAcer:pnSwiftSF314-42:pvrV1.04:rvnRO:rnKona_RN:rvrV1.04:cvnAcer:ct10:cvrV1.04:
dmi.product.family: Swift 3
dmi.product.name: Swift SF314-42
dmi.product.sku: 0000000000000000
dmi.product.version: V1.04
dmi.sys.vendor: Acer

Revision history for this message
Dustin Nisbet-Jones (d.nisbetjones) wrote :
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Status changed to Confirmed

This change was made by a bot.

Changed in linux (Ubuntu):
status: New → Confirmed
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