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Fábio Sousa
Asked: 2023-03-06 02:44:09 +0800 CST

My HDMI/DISPLAY port Audio stopped working on Ubuntu 22.10

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I've been using Ubuntu 22.10 for quite some time, my HDMI/Display port audio always worked until yesterday when it suddenly stopped working.

I guess some automatic update happened and now the driver can't be recognized by the system anymore, I did some researches and I found this command to give me my installed devices:

lspci -vk |perl -lne 'print if /Audio/ .. /^[\w]*$/'

This is the output:

    Subsystem: Tul Corporation / PowerColor Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X]
    Flags: bus master, fast devsel, latency 0, IRQ 68
    Memory at fce60000 (64-bit, non-prefetchable) [size=16K]
    Capabilities: <access denied>
    Kernel driver in use: snd_hda_intel
    Kernel modules: snd_hda_intel

09:00.4 Audio device: Advanced Micro Devices, Inc. [AMD] Starship/Matisse HD Audio Controller
    Subsystem: ASRock Incorporation Starship/Matisse HD Audio Controller
    Flags: bus master, fast devsel, latency 0, IRQ 70
    Memory at fc900000 (32-bit, non-prefetchable) [size=32K]
    Capabilities: <access denied>
    Kernel driver in use: snd_hda_intel
    Kernel modules: snd_hda_intel

As you can see the first audio device is my monitor connected to an HDMI port it is correctly recognized by the kernel, but it doesn't show to me on the output device option on the system:

enter image description here

Any suggestion how I can fix this?

Thanks.

drivers

1 Answers

  1. Best Answer

    I was able to solve the problem by rolling back the kernel.

    First list the kernel versions you have:

    apt list --installed | grep linux-image

    This was my output:

    WARNING: apt does not have a stable CLI interface. Use with caution in scripts.


linux-image-5.19.0-31-generic/kinetic-updates,kinetic-security,now 5.19.0-31.32 amd64 [installed,automatic]
linux-image-5.19.0-35-generic/kinetic-updates,kinetic-security,now 5.19.0-35.36 amd64 [installed]
linux-image-5.8.0-63-generic/now 5.8.0-63.71~20.04.1 amd64 [installed,local]
linux-image-generic/kinetic-updates,kinetic-security,now 5.19.0.35.32 amd64 [installed,automatic]

    The problematic kernel is usually the latest one, in my case was: linux-image-5.19.0-35-generic

    Then remove it and restart you computer:

    sudo apt remove linux-image-5.19.0-35-generic

    Here you can find some references about this solution:

    `snd_hda_intel 0000:00:1f.3: Too many BDL entries` messages in system log

    https://www.howtogeek.com/740797/how-to-roll-back-the-kernel-in-linux/

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