apport information ** Tags added: apport-collected focal
** Description changed: linux-modules-5.13.0-37-generic also recent kernel such as 5.16.x LCD backlight control key do not work,dmesg report a lot of ACPI error, I have no idea if these errors related with this problem. Here is the dmesg logs : + --- + ProblemType: Bug + ApportVersion: 2.20.11-0ubuntu27.21 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: gpmn 4421 F.... pulseaudio + CasperMD5CheckResult: skip + CurrentDesktop: KDE + DistroRelease: Ubuntu 20.04 + InstallationDate: Installed on 2022-03-19 (0 days ago) + InstallationMedia: Ubuntu 20.04.4 LTS "Focal Fossa" - Release amd64 (20220223) + MachineType: HUAWEI MRG-WXX + Package: linux (not installed) + ProcFB: 0 EFI VGA + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-37-generic root=UUID=63fdfb74-7fb4-47e8-ada6-2f605a114c46 ro quiet splash nomodeset vt.handoff=7 + ProcVersionSignature: Ubuntu 5.13.0-37.42~20.04.1-generic 5.13.19 + RelatedPackageVersions: + linux-restricted-modules-5.13.0-37-generic N/A + linux-backports-modules-5.13.0-37-generic N/A + linux-firmware 1.187.29 + Tags: focal + Uname: Linux 5.13.0-37-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 1/19/2022 + dmi.bios.release: 2.18 + dmi.bios.vendor: HUAWEI + dmi.bios.version: 2.18 + dmi.board.asset.tag: N/A + dmi.board.name: MRG-WXX-PCB-B1 + dmi.board.vendor: HUAWEI + dmi.board.version: M1010 + dmi.chassis.asset.tag: N/A + dmi.chassis.type: 10 + dmi.chassis.vendor: HUAWEI + dmi.chassis.version: M1010 + dmi.ec.firmware.release: 2.18 + dmi.modalias: dmi:bvnHUAWEI:bvr2.18:bd1/19/2022:br2.18:efr2.18:svnHUAWEI:pnMRG-WXX:pvrM1010:rvnHUAWEI:rnMRG-WXX-PCB-B1:rvrM1010:cvnHUAWEI:ct10:cvrM1010:skuC233: + dmi.product.family: MateBook X + dmi.product.name: MRG-WXX + dmi.product.sku: C233 + dmi.product.version: M1010 + dmi.sys.vendor: HUAWEI ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1965605/+attachment/5570668/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1965605 Title: HUAWEI matebook x pro 2022 led screen backlight do not work with ubuntu 20.x also 21.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1965605/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
