Re: No HDMI audio with Linux Kernel 7 rc1 or rc2...

[Takashi Iwai <tiwai@suse.de>]

On Mon, 02 Mar 2026 15:30:31 +0100,
Gilberto Ferreira wrote:
> 
> Hi there.
> 
> This is my first post here.
> I have compiled both RC1 and RC2 for kernel 7 and after booting with
> it, no HDMI sound at all.
> This my laptop:
> 
> Operating System: Kubuntu 26.04
> KDE Plasma Version: 6.6.1
> KDE Frameworks Version: 6.23.0
> Qt Version: 6.10.2
> Kernel Version: 6.19.5 (64-bit)
> Graphics Platform: X11
> Processors: 12 × AMD Ryzen 5 5625U with Radeon Graphics
> Memory: 64 GiB of RAM (47.0 GiB usable)
> Graphics Processor: AMD Radeon Graphics
> Manufacturer: Positivo Bahia - VAIO
> Product Name: VJFE69F11X-B0411H
> 
> With kernel 6.19, even the RC's works perfectly fine.
> This is how I compiled the kernel:
> 
> git clone from Linus github
> cd linux
> make mrproper
> cp /boot/config-$(uname -r) .config
> fakeroot make -j$(nproc) deb-pkg
> 
> 
> Hope this can be fixed soon.

Could you give a bit more details?  How it "doesn't work"?
Is the device completely gone?  Or the playback breaks and doesn't
proceed or error?  Or does it output only silence?

You can check /proc/asound/cards and aplay -l output whether you can
see the sound devices at least from both working and broken kernels.

And, if they look different, compare the kernel logs (dmesg ouput)
between them to figure out any relevant differences.

And, beware that HDMI problems are often about the graphics drivers,
not the sound drivers.


Takashi