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There is no sound output via HDMI on 22.10.
It worked in 22.04.1 and it works in 22.10 when I installed kernel 6.1rc3.
I think it has to do with the snd_hda_intel driver not attaching to Device-1:
AMD Kabini HDMI/DP.
Doesn't work on 22.10:
# inxi -SMA
System:
Host: lubuntu Kernel: 5.19.0-21-generic arch: x86_64 bits: 64
Desktop: LXQt v: 1.1.0 Distro: Ubuntu 22.10 (Kinetic Kudu)
Machine:
Type: Desktop Mobo: Acer model: Aspire TC-281
serial: DBE0E110018010680230A1 UEFI: American Megatrends v: R01-A2
date: 07/18/2017
Audio:
Device-1: AMD Kabini HDMI/DP Audio driver: N/A
Device-2: AMD Family 15h Audio driver: snd_hda_intel
Sound Server-1: ALSA v: k5.19.0-21-generic running: yes
Sound Server-2: PulseAudio v: 16.1 running: yes
Works on 22.04.1:
# inxi -SMA
System:
Host: lubuntu Kernel: 5.15.0-43-generic x86_64 bits: 64
Desktop: LXQt 0.17.1 Distro: Ubuntu 22.04.1 LTS (Jammy Jellyfish)
Machine:
Type: Desktop Mobo: Acer model: Aspire TC-281
serial: DBE0E110018010680230A1 UEFI: American Megatrends v: R01-A2
date: 07/18/2017
Audio:
Device-1: AMD Kabini HDMI/DP Audio driver: snd_hda_intel
Device-2: AMD Family 15h Audio driver: snd_hda_intel
Sound Server-1: ALSA v: k5.15.0-43-generic running: yes
Sound Server-2: PulseAudio v: 15.99.1 running: yes
Sound Server-3: PipeWire v: 0.3.48 running: yes
Works on 22.10 with kernel-6.1rc3:
# inxi -SMA
System:
Host: me-aspiretc281 Kernel: 6.1.0-060100rc3-generic arch: x86_64
bits: 64 Desktop: LXQt v: 1.1.0 Distro: Ubuntu 22.10 (Kinetic Kudu)
Machine:
Type: Desktop Mobo: Acer model: Aspire TC-281
serial: DBE0E110018010680230A1 UEFI: American Megatrends v: R01-A2
date: 07/18/2017
Audio:
Device-1: AMD Kabini HDMI/DP Audio driver: snd_hda_intel
Device-2: AMD Family 15h Audio driver: snd_hda_intel
Sound Server-1: ALSA v: k6.1.0-060100rc3-generic running: yes
Sound Server-2: PulseAudio v: 16.1 running: yes
Sound Server-3: PipeWire v: 0.3.58 running: yes
ubuntu-bug thinks pulse-audio crashed but I don't know if that is
correct.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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no HDMI sound output in 22.10 (works in 22.04.1 and kernel-6.1rc3)
https://bugs.launchpad.net/bugs/1995894
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