** Changed in: linux (Ubuntu)
Status: Confirmed => New
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https://bugs.launchpad.net/bugs/1933373
Title:
Brightness hotkeys(Fn+F5 for decrease and Fn+F6 for Increase) are not
working on Ubuntu 20.04. Hardware Lenovo Ideapad-5-15ITL05. It didn't
work on Ubuntu 21.04 either . But I can change brightness from
brightness slider.
Status in linux package in Ubuntu:
New
Bug description:
I used the command "watch -n1 cat /proc/interrupts". But when i
pressed the brightness hot keys id didn't increased the interruptions.
I also used the "acpi_listen" at that time it didn't feedback any
output when i pressed the brightness hotkeys. Again I used "sudo
showkey -s" it also didn't feedback any output.
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: linux-image-5.11.0-22-generic 5.11.0-22.23
ProcVersionSignature: Ubuntu 5.11.0-22.23-generic 5.11.21
Uname: Linux 5.11.0-22-generic x86_64
ApportVersion: 2.20.11-0ubuntu65.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: akash 1329 F.... pulseaudio
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Jun 23 23:41:15 2021
InstallationDate: Installed on 2021-06-21 (2 days ago)
InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
MachineType: LENOVO 82FG
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-22-generic
root=UUID=4d6dc3f0-ff06-49a5-b093-ae70cd670931 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.11.0-22-generic N/A
linux-backports-modules-5.11.0-22-generic N/A
linux-firmware 1.197.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/14/2021
dmi.bios.release: 1.24
dmi.bios.vendor: LENOVO
dmi.bios.version: FHCN24WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0Q55724 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad 5 15ITL05
dmi.ec.firmware.release: 1.24
dmi.modalias:
dmi:bvnLENOVO:bvrFHCN24WW:bd01/14/2021:br1.24:efr1.24:svnLENOVO:pn82FG:pvrIdeaPad515ITL05:rvnLENOVO:rnLNVNB161216:rvrSDK0Q55724WIN:cvnLENOVO:ct10:cvrIdeaPad515ITL05:
dmi.product.family: IdeaPad 5 15ITL05
dmi.product.name: 82FG
dmi.product.sku: LENOVO_MT_82FG_BU_idea_FM_IdeaPad 5 15ITL05
dmi.product.version: IdeaPad 5 15ITL05
dmi.sys.vendor: LENOVO
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