Public bug reported:
ISSUE: Fn+/, Fn+*, Fn++, Fn+- keys send no signals (evtest shows
nothing)
LAPTOP: Clevo P7xxDM3 (P7xxDM3(-G))
KERNEL: 6.8.0-88-generic
UBUNTU: 24.04
WHEN: Started after upgrading from Ubuntu 23.10 to 24.04
TESTS DONE:
- sudo evtest /dev/input/event4 shows NO events for Fn+numpad keys
- Keys worked before upgrade
- This is a recurring issue with Ubuntu upgrades on Clevo laptops
ATTEMPTED FIXES (none worked):
- acpi_osi=Linux kernel parameter
- acpi_osi='Windows 2020' parameter
- tuxedo-keyboard driver
- clevo-wmi driver
- clevo_acpi driver
REQUEST: Please fix Clevo keyboard backlight driver for kernel 6.8.x
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-88-generic 6.8.0-88.89
ProcVersionSignature: Ubuntu 6.8.0-88.89-generic 6.8.12
Uname: Linux 6.8.0-88-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mathieu 1606 F.... wireplumber
/dev/snd/controlC1: mathieu 1606 F.... wireplumber
/dev/snd/seq: mathieu 1602 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Dec 5 20:20:00 2025
InstallationDate: Installed on 2020-02-19 (2116 days ago)
InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
MachineType: Notebook P7xxDM3(-G)
ProcFB: 0 nvidia-drmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-88-generic
root=UUID=cc4ddf01-f9bd-44a0-8375-975723b9cd59 ro quiet splash acpi_osi=Linux
vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-6.8.0-88-generic N/A
linux-backports-modules-6.8.0-88-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.21
SourcePackage: linux
UpgradeStatus: Upgraded to noble on 2025-12-05 (0 days ago)
dmi.bios.date: 03/20/2017
dmi.bios.release: 5.12
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.06.09
dmi.board.asset.tag: Tag 12345
dmi.board.name: P7xxDM3(-G)
dmi.board.vendor: Notebook
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1.06.09:bd03/20/2017:br5.12:svnNotebook:pnP7xxDM3(-G):pvrNotApplicable:rvnNotebook:rnP7xxDM3(-G):rvrNotApplicable:cvnNoEnclosure:ct10:cvrN/A:skuNotApplicable:
dmi.product.family: Not Applicable
dmi.product.name: P7xxDM3(-G)
dmi.product.sku: Not Applicable
dmi.product.version: Not Applicable
dmi.sys.vendor: Notebook
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: backlight clevo keyboard
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https://bugs.launchpad.net/bugs/2134231
Title:
Clevo P7xxDM3 keyboard backlight Fn keys not working after Ubuntu
24.04 upgrade
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