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After a system update on 2024-08-17 my laptop with Ubuntu 22 stopped having
audio over HDMI output. Audio over built in speakers still works fine.
I tested with several applications (including the sound tester in 'Settings')
and multiple devices (my old TV and my new monitor), but the results are the
same: no audio at all when HDMI output device is selected for sound.
I had the same issue when I tried out Ubuntu 24 in 2024 May, which is why I
rolled back to Ubuntu 22. My assumption is that the same bug arrived to Ubuntu
22 now.
The system update after which the issue started happening, updated the
following packages:
Start-Date: 2024-08-17 12:58:22
Commandline: aptdaemon role='role-commit-packages' sender=':1.82'
Install: linux-tools-common:amd64 (5.15.0-118.128, automatic),
linux-hwe-6.8-headers-6.8.0-40:amd64 (6.8.0-40.40~22.04.3, automatic),
linux-objects-nvidia-535-6.8.0-40-generic:amd64 (6.8.0-40.40~22.04.3,
automatic), linux-hwe-6.8-tools-6.8.0-40:amd64 (6.8.0-40.40~22.04.3,
automatic), linux-signatures-nvidia-6.8.0-40-generic:amd64
(6.8.0-40.40~22.04.3, automatic), linux-modules-6.8.0-40-generic:amd64
(6.8.0-40.40~22.04.3, automatic), hwdata:amd64 (0.357-1, automatic),
linux-image-6.8.0-40-generic:amd64 (6.8.0-40.40~22.04.3, automatic),
linux-headers-6.8.0-40-generic:amd64 (6.8.0-40.40~22.04.3, automatic),
linux-modules-nvidia-535-6.8.0-40-generic:amd64 (6.8.0-40.40~22.04.3,
automatic), linux-tools-6.8.0-40-generic:amd64 (6.8.0-40.40~22.04.3,
automatic), linux-modules-extra-6.8.0-40-generic:amd64 (6.8.0-40.40~22.04.3,
automatic)
Upgrade: busybox-static:amd64 (1:1.30.1-7ubuntu3, 1:1.30.1-7ubuntu3.1),
linux-image-generic-hwe-22.04:amd64 (6.5.0.45.45~22.04.1, 6.8.0-40.40~22.04.3),
gnome-shell:amd64 (42.9-0ubuntu2.1, 42.9-0ubuntu2.2), fonts-opensymbol:amd64
(2:102.12+LibO7.3.7-0ubuntu0.22.04.5, 2:102.12+LibO7.3.7-0ubuntu0.22.04.6),
firefox:amd64 (129.0+build2-0ubuntu0.22.04.1~mt1,
129.0.1+build1-0ubuntu0.22.04.1~mt1), ubuntu-desktop:amd64 (1.481.2, 1.481.3),
linux-modules-nvidia-535-generic-hwe-22.04:amd64 (6.5.0-45.45~22.04.1,
6.8.0-40.40~22.04.3), busybox-initramfs:amd64 (1:1.30.1-7ubuntu3,
1:1.30.1-7ubuntu3.1), linux-headers-generic-hwe-22.04:amd64
(6.5.0.45.45~22.04.1, 6.8.0-40.40~22.04.3), linux-generic-hwe-22.04:amd64
(6.5.0.45.45~22.04.1, 6.8.0-40.40~22.04.3), gnome-shell-common:amd64
(42.9-0ubuntu2.1, 42.9-0ubuntu2.2), ubuntu-standard:amd64 (1.481.2, 1.481.3),
ubuntu-desktop-minimal:amd64 (1.481.2, 1.481.3), code:amd64 (1.92.1-1723066302,
1.92.2-1723660989), ubuntu-minimal:amd64 (1.481.2, 1.481.3), libor
c-0.4-0:amd64 (1:0.4.32-2, 1:0.4.32-2ubuntu0.1)
End-Date: 2024-08-17 13:00:50
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 6.8.0-40.40~22.04.3-generic 6.8.12
Uname: Linux 6.8.0-40-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia wl
ApportVersion: 2.20.11-0ubuntu82.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: katz 855 F.... pulseaudio
/dev/snd/controlC1: katz 855 F.... pulseaudio
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Aug 18 09:41:31 2024
InstallationDate: Installed on 2024-05-26 (84 days ago)
InstallationMedia: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64
(20240220)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:HDMI failed
Symptom_Card: Built-in Audio - HDA Intel HDMI
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: katz 855 F.... pulseaudio
/dev/snd/controlC1: katz 855 F.... pulseaudio
Symptom_Jack: Digital Out, HDMI
Symptom_Type: No sound at all
Title: [X555LN, Intel Haswell HDMI, Digital Out, HDMI] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/19/2019
dmi.bios.release: 4.6
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X555LN.313
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X555LN
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrX555LN.313:bd04/19/2019:br4.6:svnASUSTeKCOMPUTERINC.:pnX555LN:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX555LN:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:skuASUS-NotebookSKU:
dmi.product.family: X
dmi.product.name: X555LN
dmi.product.sku: ASUS-NotebookSKU
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy wayland-session
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[X555LN, Intel Haswell HDMI, Digital Out, HDMI] No sound at all
https://bugs.launchpad.net/bugs/2077255
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