[Lenovo Legion 5] Brightness option is not working and not showing in system menu

[A Naresh]

The ubuntu version is automatic updated and then i am facing this issue that there is not britness control is there in my system ment and my briness key also not wokring

ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: gnome-shell 44.2-0ubuntu1
ProcVersionSignature: Ubuntu 6.2.0-25.25-generic 6.2.13
Uname: Linux 6.2.0-25-generic x86_64
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Thu Jul 13 09:44:30 2023
DisplayManager: gdm3
InstallationDate: Installed on 2023-06-11 (32 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
RelatedPackageVersions: mutter-common 44.2-0ubuntu1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)

[Daniel van Vugt (vanvugt)]

Please run:

  journalctl -b0 > journal.txt

and attach the resulting text file here.

[A Naresh (naresh-25)]

On Thu, 13 Jul 2023 at 14:10, Daniel van Vugt <email address hidden>
wrote:

> Please run:
>
> journalctl -b0 > journal.txt
>
> and attach the resulting text file here.
>
> ** Changed in: gnome-shell (Ubuntu)
> Status: New => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2027645
>
> Title:
> britness option is not working and not showing in system menu
>
> Status in gnome-shell package in Ubuntu:
> Incomplete
>
> Bug description:
> The ubuntu version is automatic updated and then i am facing this
> issue that there is not britness control is there in my system ment
> and my briness key also not wokring
>
> ProblemType: Bug
> DistroRelease: Ubuntu 23.04
> Package: gnome-shell 44.2-0ubuntu1
> ProcVersionSignature: Ubuntu 6.2.0-25.25-generic 6.2.13
> Uname: Linux 6.2.0-25-generic x86_64
> ApportVersion: 2.26.1-0ubuntu2
> Architecture: amd64
> CasperMD5CheckResult: pass
> CurrentDesktop: ubuntu:GNOME
> Date: Thu Jul 13 09:44:30 2023
> DisplayManager: gdm3
> InstallationDate: Installed on 2023-06-11 (32 days ago)
> InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64
> (20230418)
> ProcEnviron:
> LANG=en_US.UTF-8
> PATH=(custom, no user)
> SHELL=/bin/bash
> TERM=xterm-256color
> XDG_RUNTIME_DIR=<set>
> RelatedPackageVersions: mutter-common 44.2-0ubuntu1
> SourcePackage: gnome-shell
> UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2027645/+subscriptions
>
>

[Daniel van Vugt (vanvugt)]

See also: bug 1899626, bug 1944094, bug 1995173

[A Naresh (naresh-25)]

I just checked all the bugs i didn't the solution could you please give the
the solution to fix this bug the brightness is stuck at full it's soo
irritating

On Thu, 13 Jul 2023 at 15:40, Daniel van Vugt <email address hidden>
wrote:

> See also: bug 1899626, bug 1944094, bug 1995173
>
> ** Summary changed:
>
> - britness option is not working and not showing in system menu
> + [Lenovo Legion 5] Brightness option is not working and not showing in
> system menu
>
> ** Package changed: gnome-shell (Ubuntu) => linux (Ubuntu)
>
> ** Changed in: linux (Ubuntu)
> Status: Incomplete => New
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2027645
>
> Title:
> [Lenovo Legion 5] Brightness option is not working and not showing in
> system menu
>
> Status in linux package in Ubuntu:
> New
>
> Bug description:
> The ubuntu version is automatic updated and then i am facing this
> issue that there is not britness control is there in my system ment
> and my briness key also not wokring
>
> ProblemType: Bug
> DistroRelease: Ubuntu 23.04
> Package: gnome-shell 44.2-0ubuntu1
> ProcVersionSignature: Ubuntu 6.2.0-25.25-generic 6.2.13
> Uname: Linux 6.2.0-25-generic x86_64
> ApportVersion: 2.26.1-0ubuntu2
> Architecture: amd64
> CasperMD5CheckResult: pass
> CurrentDesktop: ubuntu:GNOME
> Date: Thu Jul 13 09:44:30 2023
> DisplayManager: gdm3
> InstallationDate: Installed on 2023-06-11 (32 days ago)
> InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64
> (20230418)
> ProcEnviron:
> LANG=en_US.UTF-8
> PATH=(custom, no user)
> SHELL=/bin/bash
> TERM=xterm-256color
> XDG_RUNTIME_DIR=<set>
> RelatedPackageVersions: mutter-common 44.2-0ubuntu1
> SourcePackage: gnome-shell
> UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2027645/+subscriptions
>
>

[Daniel van Vugt (vanvugt)]

You might want to try kernel parameter 'acpi_backlight=vendor' which I was reminded of by:
https://wiki.ubuntu.com/Kernel/Debugging/Backlight

[A Naresh (naresh-25)]

Thanks for the tip!
now i can see the brightness bar but still its not working the
brightness is at 100 % only

On Fri, 14 Jul 2023 at 12:25, Daniel van Vugt <email address hidden>
wrote:

> You might want to try kernel parameter 'acpi_backlight=vendor' which I was
> reminded of by:
> https://wiki.ubuntu.com/Kernel/Debugging/Backlight
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2027645
>
> Title:
> [Lenovo Legion 5] Brightness option is not working and not showing in
> system menu
>
> Status in linux package in Ubuntu:
> Incomplete
>
> Bug description:
> The ubuntu version is automatic updated and then i am facing this
> issue that there is not britness control is there in my system ment
> and my briness key also not wokring
>
> ProblemType: Bug
> DistroRelease: Ubuntu 23.04
> Package: gnome-shell 44.2-0ubuntu1
> ProcVersionSignature: Ubuntu 6.2.0-25.25-generic 6.2.13
> Uname: Linux 6.2.0-25-generic x86_64
> ApportVersion: 2.26.1-0ubuntu2
> Architecture: amd64
> CasperMD5CheckResult: pass
> CurrentDesktop: ubuntu:GNOME
> Date: Thu Jul 13 09:44:30 2023
> DisplayManager: gdm3
> InstallationDate: Installed on 2023-06-11 (32 days ago)
> InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64
> (20230418)
> ProcEnviron:
> LANG=en_US.UTF-8
> PATH=(custom, no user)
> SHELL=/bin/bash
> TERM=xterm-256color
> XDG_RUNTIME_DIR=<set>
> RelatedPackageVersions: mutter-common 44.2-0ubuntu1
> SourcePackage: gnome-shell
> UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2027645/+subscriptions
>
>

[A Naresh (naresh-25)]

Please look into this.

On Fri, 14 Jul 2023 at 13:10, Daniel van Vugt <email address hidden>
wrote:

> ** Changed in: linux (Ubuntu)
> Status: Incomplete => New
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2027645
>
> Title:
> [Lenovo Legion 5] Brightness option is not working and not showing in
> system menu
>
> Status in linux package in Ubuntu:
> New
>
> Bug description:
> The ubuntu version is automatic updated and then i am facing this
> issue that there is not britness control is there in my system ment
> and my briness key also not wokring
>
> ProblemType: Bug
> DistroRelease: Ubuntu 23.04
> Package: gnome-shell 44.2-0ubuntu1
> ProcVersionSignature: Ubuntu 6.2.0-25.25-generic 6.2.13
> Uname: Linux 6.2.0-25-generic x86_64
> ApportVersion: 2.26.1-0ubuntu2
> Architecture: amd64
> CasperMD5CheckResult: pass
> CurrentDesktop: ubuntu:GNOME
> Date: Thu Jul 13 09:44:30 2023
> DisplayManager: gdm3
> InstallationDate: Installed on 2023-06-11 (32 days ago)
> InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64
> (20230418)
> ProcEnviron:
> LANG=en_US.UTF-8
> PATH=(custom, no user)
> SHELL=/bin/bash
> TERM=xterm-256color
> XDG_RUNTIME_DIR=<set>
> RelatedPackageVersions: mutter-common 44.2-0ubuntu1
> SourcePackage: gnome-shell
> UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2027645/+subscriptions
>
>

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 2027645

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]

[A Naresh (naresh-25)]

It's working!

On Sun, 22 Oct 2023 at 10:05, Launchpad Bug Tracker <
<email address hidden>> wrote:

> [Expired for linux (Ubuntu) because there has been no activity for 60
> days.]
>
> ** Changed in: linux (Ubuntu)
> Status: Incomplete => Expired
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2027645
>
> Title:
> [Lenovo Legion 5] Brightness option is not working and not showing in
> system menu
>
> Status in linux package in Ubuntu:
> Expired
>
> Bug description:
> The ubuntu version is automatic updated and then i am facing this
> issue that there is not britness control is there in my system ment
> and my briness key also not wokring
>
> ProblemType: Bug
> DistroRelease: Ubuntu 23.04
> Package: gnome-shell 44.2-0ubuntu1
> ProcVersionSignature: Ubuntu 6.2.0-25.25-generic 6.2.13
> Uname: Linux 6.2.0-25-generic x86_64
> ApportVersion: 2.26.1-0ubuntu2
> Architecture: amd64
> CasperMD5CheckResult: pass
> CurrentDesktop: ubuntu:GNOME
> Date: Thu Jul 13 09:44:30 2023
> DisplayManager: gdm3
> InstallationDate: Installed on 2023-06-11 (32 days ago)
> InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64
> (20230418)
> ProcEnviron:
> LANG=en_US.UTF-8
> PATH=(custom, no user)
> SHELL=/bin/bash
> TERM=xterm-256color
> XDG_RUNTIME_DIR=<set>
> RelatedPackageVersions: mutter-common 44.2-0ubuntu1
> SourcePackage: gnome-shell
> UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2027645/+subscriptions
>
>