Public bug reported: After upgrading to LM 21.3 I could no longer adjust screen brightness. Reverted to kernel 6.2 but the problem remained. Reverted to kernel 5.15.0-91 generic and that solved the problem.
mel@Schmetterling:~$ inxi -Fxxxrz System: Kernel: 6.5.0-14-generic x86_64 bits: 64 compiler: N/A Desktop: Cinnamon 6.0.4 tk: GTK 3.24.33 wm: muffin vt: 7 dm: LightDM 1.30.0 Distro: Linux Mint 21.3 Virginia base: Ubuntu 22.04 jammy Machine: Type: Laptop System: HP product: HP Laptop 14-dq2xxx v: N/A serial: <superuser required> Chassis: type: 10 serial: <superuser required> Mobo: HP model: 87FD v: 57.20 serial: <superuser required> UEFI: AMI v: F.21 date: 03/21/2022 Battery: ID-1: BAT0 charge: 40.5 Wh (100.0%) condition: 40.5/41.0 Wh (98.7%) volts: 12.9 min: 11.4 model: HP Primary type: Li-ion serial: <filter> status: Full cycles: 28 CPU: Info: quad core model: 11th Gen Intel Core i3-1125G4 bits: 64 type: MT MCP smt: enabled arch: Tiger Lake rev: 1 cache: L1: 320 KiB L2: 5 MiB L3: 8 MiB Speed (MHz): avg: 838 high: 1255 min/max: 400/3700 cores: 1: 963 2: 400 3: 400 4: 1137 5: 1255 6: 1021 7: 733 8: 802 bogomips: 31948 Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx Graphics: Device-1: Intel vendor: Hewlett-Packard driver: i915 v: kernel ports: active: eDP-1 empty: DP-1, DP-2, DP-3, DP-4, HDMI-A-1 bus-ID: 0000:00:02.0 chip-ID: 8086:9a78 class-ID: 0300 Device-2: Chicony HP TrueVision HD Camera type: USB driver: uvcvideo bus-ID: 1-3:3 chip-ID: 04f2:b6f1 class-ID: 0e02 serial: <filter> Display: x11 server: X.Org v: 1.21.1.4 driver: X: loaded: modesetting unloaded: fbdev,vesa gpu: i915 display-ID: :0 screens: 1 Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.0x11.2") s-diag: 582mm (22.9") Monitor-1: eDP-1 model: BOE Display res: 1920x1080 hz: 60 dpi: 158 size: 309x174mm (12.2x6.9") diag: 355mm (14") modes: 1920x1080 OpenGL: renderer: Mesa Intel UHD Graphics (TGL GT2) v: 4.6 Mesa 23.0.4-0ubuntu1~22.04.1 direct render: Yes Audio: Device-1: Intel Tiger Lake-LP Smart Sound Audio vendor: Hewlett-Packard driver: sof-audio-pci-intel-tgl bus-ID: 0000:00:1f.3 chip-ID: 8086:a0c8 class-ID: 0401 Sound Server-1: ALSA v: k6.5.0-14-generic running: yes Sound Server-2: PulseAudio v: 15.99.1 running: yes Sound Server-3: PipeWire v: 0.3.48 running: yes Network: Device-1: Realtek RTL8822CE 802.11ac PCIe Wireless Network Adapter vendor: Hewlett-Packard driver: rtw_8822ce v: N/A port: 3000 bus-ID: 0000:01:00.0 chip-ID: 10ec:c822 class-ID: 0280 IF: wlo1 state: up mac: <filter> Bluetooth: Device-1: Realtek Bluetooth Radio type: USB driver: btusb v: 0.8 bus-ID: 1-10:5 chip-ID: 0bda:b00c class-ID: e001 serial: <filter> Report: hciconfig ID: hci0 rfk-id: 0 state: up address: <filter> bt-v: 3.0 lmp-v: 5.1 sub-v: 6d7d hci-v: 5.1 rev: 19b7 RAID: Hardware-1: Intel Volume Management Device NVMe RAID Controller driver: vmd v: 0.6 port: N/A bus-ID: 0000:00:0e.0 chip-ID: 8086:9a0b rev: class-ID: 0104 Drives: Local Storage: total: 238.47 GiB used: 100.77 GiB (42.3%) ID-1: /dev/nvme0n1 vendor: SK Hynix model: BC711 HFM256GD3JX013N size: 238.47 GiB speed: 31.6 Gb/s lanes: 4 type: SSD serial: <filter> rev: HPS1 temp: 28.9 C scheme: GPT Partition: ID-1: / size: 232.47 GiB used: 100.77 GiB (43.3%) fs: ext4 dev: /dev/nvme0n1p3 ID-2: /boot/efi size: 511 MiB used: 6.1 MiB (1.2%) fs: vfat dev: /dev/nvme0n1p1 Swap: ID-1: swap-1 type: file size: 2 GiB used: 0 KiB (0.0%) priority: -2 file: /swapfile Sensors: System Temperatures: cpu: 48.0 C mobo: N/A Fan Speeds (RPM): cpu: 0 fan-2: 0 Repos: Packages: 2736 apt: 2701 flatpak: 35 No active apt repos in: /etc/apt/sources.list Active apt repos in: /etc/apt/sources.list.d/1password.list 1: deb [arch=amd64 signed-by=/usr/share/keyrings/1password-archive-keyring.gpg] https://downloads.1password.com/linux/debian/amd64 stable main Active apt repos in: /etc/apt/sources.list.d/apandada1-brightness-controller-jammy.list 1: deb [signed-by=/etc/apt/keyrings/apandada1-brightness-controller-jammy.gpg] https://ppa.launchpadcontent.net/apandada1/brightness-controller/ubuntu jammy main Active apt repos in: /etc/apt/sources.list.d/chrome-remote-desktop.list 1: deb [arch=amd64] http://dl.google.com/linux/chrome-remote-desktop/deb/ stable main Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 1: deb http://packages.linuxmint.com virginia main upstream import backport 2: deb http://archive.ubuntu.com/ubuntu jammy main restricted universe multiverse 3: deb http://archive.ubuntu.com/ubuntu jammy-updates main restricted universe multiverse 4: deb http://archive.ubuntu.com/ubuntu jammy-backports main restricted universe multiverse 5: deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse No active apt repos in: /etc/apt/sources.list.d/surfshark.list Active apt repos in: /etc/apt/sources.list.d/vivaldi.list 1: deb [arch=amd64] https://repo.vivaldi.com/stable/deb/ stable main Info: Processes: 288 Uptime: 3m wakeups: 8311 Memory: 7.4 GiB used: 2.77 GiB (37.4%) Init: systemd v: 249 runlevel: 5 Compilers: gcc: 11.4.0 alt: 11/12/9 Shell: Bash v: 5.1.16 running-in: gnome-terminal inxi: 3.3.13 ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Attachment added: "version-lspci-vnvn.log" https://bugs.launchpad.net/bugs/2049711/+attachment/5740380/+files/version-lspci-vnvn.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2049711 Title: Kernels 6.2 and 6.5: cannot adjust screen brightness Status in linux package in Ubuntu: New Bug description: After upgrading to LM 21.3 I could no longer adjust screen brightness. Reverted to kernel 6.2 but the problem remained. Reverted to kernel 5.15.0-91 generic and that solved the problem. mel@Schmetterling:~$ inxi -Fxxxrz System: Kernel: 6.5.0-14-generic x86_64 bits: 64 compiler: N/A Desktop: Cinnamon 6.0.4 tk: GTK 3.24.33 wm: muffin vt: 7 dm: LightDM 1.30.0 Distro: Linux Mint 21.3 Virginia base: Ubuntu 22.04 jammy Machine: Type: Laptop System: HP product: HP Laptop 14-dq2xxx v: N/A serial: <superuser required> Chassis: type: 10 serial: <superuser required> Mobo: HP model: 87FD v: 57.20 serial: <superuser required> UEFI: AMI v: F.21 date: 03/21/2022 Battery: ID-1: BAT0 charge: 40.5 Wh (100.0%) condition: 40.5/41.0 Wh (98.7%) volts: 12.9 min: 11.4 model: HP Primary type: Li-ion serial: <filter> status: Full cycles: 28 CPU: Info: quad core model: 11th Gen Intel Core i3-1125G4 bits: 64 type: MT MCP smt: enabled arch: Tiger Lake rev: 1 cache: L1: 320 KiB L2: 5 MiB L3: 8 MiB Speed (MHz): avg: 838 high: 1255 min/max: 400/3700 cores: 1: 963 2: 400 3: 400 4: 1137 5: 1255 6: 1021 7: 733 8: 802 bogomips: 31948 Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx Graphics: Device-1: Intel vendor: Hewlett-Packard driver: i915 v: kernel ports: active: eDP-1 empty: DP-1, DP-2, DP-3, DP-4, HDMI-A-1 bus-ID: 0000:00:02.0 chip-ID: 8086:9a78 class-ID: 0300 Device-2: Chicony HP TrueVision HD Camera type: USB driver: uvcvideo bus-ID: 1-3:3 chip-ID: 04f2:b6f1 class-ID: 0e02 serial: <filter> Display: x11 server: X.Org v: 1.21.1.4 driver: X: loaded: modesetting unloaded: fbdev,vesa gpu: i915 display-ID: :0 screens: 1 Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.0x11.2") s-diag: 582mm (22.9") Monitor-1: eDP-1 model: BOE Display res: 1920x1080 hz: 60 dpi: 158 size: 309x174mm (12.2x6.9") diag: 355mm (14") modes: 1920x1080 OpenGL: renderer: Mesa Intel UHD Graphics (TGL GT2) v: 4.6 Mesa 23.0.4-0ubuntu1~22.04.1 direct render: Yes Audio: Device-1: Intel Tiger Lake-LP Smart Sound Audio vendor: Hewlett-Packard driver: sof-audio-pci-intel-tgl bus-ID: 0000:00:1f.3 chip-ID: 8086:a0c8 class-ID: 0401 Sound Server-1: ALSA v: k6.5.0-14-generic running: yes Sound Server-2: PulseAudio v: 15.99.1 running: yes Sound Server-3: PipeWire v: 0.3.48 running: yes Network: Device-1: Realtek RTL8822CE 802.11ac PCIe Wireless Network Adapter vendor: Hewlett-Packard driver: rtw_8822ce v: N/A port: 3000 bus-ID: 0000:01:00.0 chip-ID: 10ec:c822 class-ID: 0280 IF: wlo1 state: up mac: <filter> Bluetooth: Device-1: Realtek Bluetooth Radio type: USB driver: btusb v: 0.8 bus-ID: 1-10:5 chip-ID: 0bda:b00c class-ID: e001 serial: <filter> Report: hciconfig ID: hci0 rfk-id: 0 state: up address: <filter> bt-v: 3.0 lmp-v: 5.1 sub-v: 6d7d hci-v: 5.1 rev: 19b7 RAID: Hardware-1: Intel Volume Management Device NVMe RAID Controller driver: vmd v: 0.6 port: N/A bus-ID: 0000:00:0e.0 chip-ID: 8086:9a0b rev: class-ID: 0104 Drives: Local Storage: total: 238.47 GiB used: 100.77 GiB (42.3%) ID-1: /dev/nvme0n1 vendor: SK Hynix model: BC711 HFM256GD3JX013N size: 238.47 GiB speed: 31.6 Gb/s lanes: 4 type: SSD serial: <filter> rev: HPS1 temp: 28.9 C scheme: GPT Partition: ID-1: / size: 232.47 GiB used: 100.77 GiB (43.3%) fs: ext4 dev: /dev/nvme0n1p3 ID-2: /boot/efi size: 511 MiB used: 6.1 MiB (1.2%) fs: vfat dev: /dev/nvme0n1p1 Swap: ID-1: swap-1 type: file size: 2 GiB used: 0 KiB (0.0%) priority: -2 file: /swapfile Sensors: System Temperatures: cpu: 48.0 C mobo: N/A Fan Speeds (RPM): cpu: 0 fan-2: 0 Repos: Packages: 2736 apt: 2701 flatpak: 35 No active apt repos in: /etc/apt/sources.list Active apt repos in: /etc/apt/sources.list.d/1password.list 1: deb [arch=amd64 signed-by=/usr/share/keyrings/1password-archive-keyring.gpg] https://downloads.1password.com/linux/debian/amd64 stable main Active apt repos in: /etc/apt/sources.list.d/apandada1-brightness-controller-jammy.list 1: deb [signed-by=/etc/apt/keyrings/apandada1-brightness-controller-jammy.gpg] https://ppa.launchpadcontent.net/apandada1/brightness-controller/ubuntu jammy main Active apt repos in: /etc/apt/sources.list.d/chrome-remote-desktop.list 1: deb [arch=amd64] http://dl.google.com/linux/chrome-remote-desktop/deb/ stable main Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 1: deb http://packages.linuxmint.com virginia main upstream import backport 2: deb http://archive.ubuntu.com/ubuntu jammy main restricted universe multiverse 3: deb http://archive.ubuntu.com/ubuntu jammy-updates main restricted universe multiverse 4: deb http://archive.ubuntu.com/ubuntu jammy-backports main restricted universe multiverse 5: deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse No active apt repos in: /etc/apt/sources.list.d/surfshark.list Active apt repos in: /etc/apt/sources.list.d/vivaldi.list 1: deb [arch=amd64] https://repo.vivaldi.com/stable/deb/ stable main Info: Processes: 288 Uptime: 3m wakeups: 8311 Memory: 7.4 GiB used: 2.77 GiB (37.4%) Init: systemd v: 249 runlevel: 5 Compilers: gcc: 11.4.0 alt: 11/12/9 Shell: Bash v: 5.1.16 running-in: gnome-terminal inxi: 3.3.13 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2049711/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp