** Description changed: Ubuntu 23.10/24.04 Dell Inspiron 7700 AIO 6.5.0-35-generic/6.8.0-31-generic X11 https://askubuntu.com/questions/1514988/backlight-brightness-not- working-in-ubuntu-23-10-24-04-on-dell-7700-aio lsb_release -rd No LSB modules are available. Description: Ubuntu 24.04 LTS Release: 24.04 dell_uart_backlight isn't in the 24.04 distribution, so Dell AIO display backlights can't be adjusted. (dell_uart_backlight is in the 23.10 - distribution, but backlight control doesn't work properly there either). + distribution, but backlight control doesn't work 100% properly there + either). Works fine in 23.04. dup: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2067497 ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: linux-image-6.8.0-31-generic 6.8.0-31.31 ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1 Uname: Linux 6.8.0-31-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.28.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/seq: al 3689 F.... pipewire /dev/snd/controlC1: al 3696 F.... wireplumber /dev/snd/controlC0: al 3696 F.... wireplumber CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Wed May 29 08:32:16 2024 InstallationDate: Installed on 2021-09-25 (978 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) MachineType: Dell Inc. Inspiron 7700 AIO ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color XDG_RUNTIME_DIR=<set> ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-31-generic root=UUID=f0db2226-e28d-46dd-9b5a-457c87987ed2 ro quiet splash ipv6.disable=1 acpi_backlight=vendor acpi_osi=Linux vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-6.8.0-31-generic N/A linux-backports-modules-6.8.0-31-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2 SourcePackage: linux UpgradeStatus: Upgraded to noble on 2024-05-25 (4 days ago) dmi.bios.date: 03/27/2024 dmi.bios.release: 1.28 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.28.0 dmi.board.name: 0K9T56 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 13 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.28.0:bd03/27/2024:br1.28:svnDellInc.:pnInspiron7700AIO:pvr:rvnDellInc.:rn0K9T56:rvrA00:cvnDellInc.:ct13:cvr:sku0A07: dmi.product.family: Inspiron dmi.product.name: Inspiron 7700 AIO dmi.product.sku: 0A07 dmi.sys.vendor: Dell Inc.
** Description changed: Ubuntu 23.10/24.04 Dell Inspiron 7700 AIO 6.5.0-35-generic/6.8.0-31-generic X11 https://askubuntu.com/questions/1514988/backlight-brightness-not- working-in-ubuntu-23-10-24-04-on-dell-7700-aio lsb_release -rd No LSB modules are available. Description: Ubuntu 24.04 LTS Release: 24.04 dell_uart_backlight isn't in the 24.04 distribution, so Dell AIO display backlights can't be adjusted. (dell_uart_backlight is in the 23.10 - distribution, but backlight control doesn't work 100% properly there - either). + distribution, but backlight/brightness slider control doesn't work 100% + properly there either). Works fine in 23.04. dup: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2067497 ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: linux-image-6.8.0-31-generic 6.8.0-31.31 ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1 Uname: Linux 6.8.0-31-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.28.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/seq: al 3689 F.... pipewire /dev/snd/controlC1: al 3696 F.... wireplumber /dev/snd/controlC0: al 3696 F.... wireplumber CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Wed May 29 08:32:16 2024 InstallationDate: Installed on 2021-09-25 (978 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) MachineType: Dell Inc. Inspiron 7700 AIO ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color XDG_RUNTIME_DIR=<set> ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-31-generic root=UUID=f0db2226-e28d-46dd-9b5a-457c87987ed2 ro quiet splash ipv6.disable=1 acpi_backlight=vendor acpi_osi=Linux vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-6.8.0-31-generic N/A linux-backports-modules-6.8.0-31-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2 SourcePackage: linux UpgradeStatus: Upgraded to noble on 2024-05-25 (4 days ago) dmi.bios.date: 03/27/2024 dmi.bios.release: 1.28 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.28.0 dmi.board.name: 0K9T56 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 13 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.28.0:bd03/27/2024:br1.28:svnDellInc.:pnInspiron7700AIO:pvr:rvnDellInc.:rn0K9T56:rvrA00:cvnDellInc.:ct13:cvr:sku0A07: dmi.product.family: Inspiron dmi.product.name: Inspiron 7700 AIO dmi.product.sku: 0A07 dmi.sys.vendor: Dell Inc. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2067498 Title: Can't control display backlight in 24.04 on Dell AIO system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2067498/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
