Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2084640
Title:
Volume level set to the max when unlocking/rebooting if the audio
output is HDMI / Displayport ( e.g. monitor).
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
After upgrading from 24.04.1 LTS to 24.10, everytime when I
lock/suspend my laptop with the sound output set to HDMI / Displayport
(my monitor), the sound volume is set to max. Even if laptop is
rebooted or turned on.
Steps to reproduce:
1. Have a external sound output source selected - Samsung monitor in my case.
2. Set the volume to a low level (e.g., 20%).
3. Lock the laptop screen (Super + L).
4. Unlock the laptop screen.
Expected behavior:
The volume should remain at 20%.
Actual behavior:
The volume is set to 100% after unlocking.
Additional information:
- This happens every time I unlock the laptop.
- I haven't made any custom audio configurations.
- It doesn't happen with the built-in audio source on my HP EliteBook 840 G10.
- It doesn't happen with the source being Bluetooth headphones.
- If laptop goes to sleep when music is playing, the volume will be set to
MAX when locked. But after monitor goes to sleep as well, the sound source is
switched to the laptop and it's set to 20% again.
ProblemType: Bug
DistroRelease: Ubuntu 24.10
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 6.11.0-8.8-generic 6.11.0
Uname: Linux 6.11.0-8-generic x86_64
ApportVersion: 2.30.0-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/seq: joplisan 2145 F.... pipewire
/dev/snd/controlC0: joplisan 2145 F.... pipewire
joplisan 2150 F.... wireplumber
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 16 09:19:29 2024
InstallationDate: Installed on 2024-09-22 (24 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64
(20240827.1)
MachineType: HP HP EliteBook 840 14 inch G10 Notebook PC
PackageArchitecture: all
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: Upgraded to oracular on 2024-10-10 (6 days ago)
dmi.bios.date: 08/12/2024
dmi.bios.release: 6.3
dmi.bios.vendor: HP
dmi.bios.version: V70 Ver. 01.06.03
dmi.board.name: 8B41
dmi.board.vendor: HP
dmi.board.version: KBC Version 51.40.00
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.ec.firmware.release: 81.64
dmi.modalias:
dmi:bvnHP:bvrV70Ver.01.06.03:bd08/12/2024:br6.3:efr81.64:svnHP:pnHPEliteBook84014inchG10NotebookPC:pvrSBKPF:rvnHP:rn8B41:rvrKBCVersion51.40.00:cvnHP:ct10:cvr:sku818M6EA#BED:
dmi.product.family: 103C_5336AN HP EliteBook
dmi.product.name: HP EliteBook 840 14 inch G10 Notebook PC
dmi.product.sku: 818M6EA#BED
dmi.product.version: SBKPF
dmi.sys.vendor: HP
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