Re: PROBLEM: Linux 6.17.4 - no audio on Hardkernel Odroid Go Ultra

[Jerome Brunet <jbrunet@baylibre.com>]

On Thu 23 Oct 2025 at 14:34, John Williams <porschemad911@gmail.com> wrote:

> [1.] One line summary of the problem: Linux 6.17.4 - no audio on Hardkernel Odroid Go Ultra
>
> [2.] Full description of the problem/report: I am working on upgrading ROCKNIX on the Odroid Go Ultra from Linux 6.12.43 to 6.17.4 (via 6.16.9 as an interim step for testing) - PR https://github.com/ROCKNIX/distribution/pull/1898
>
> Kernel config was updated via 'olddefconfig' from 6.12.43 to 6.17.4
>
> Audio works fine with 6.12.43, works fine (after a wireplumber restart, not on first boot) with 6.16.9, but does not work at all with 6.17.4.
>
> No sound cards / sinks picked up by alsa / pactl / wpctl.
>
> dmesg log is attached (desg.txt), important messages are:
>
> [    1.916788] ALSA device list:
> [    1.916818]   No soundcards found.
> ...
> [   17.645092] platform sound: deferred probe pending: (reason unknown)
> [   17.645109] platform ff642340.audio-controller: deferred probe pending: axg-tdmin: failed to get reset
> [   17.645115] platform ff642540.audio-controller: deferred probe pending: axg-tdmout: failed to get reset
>

You are missing CONFIG_RESET_MESON_AUX

> [3.] Keywords (i.e., modules, networking, kernel): amlogic, meson, axg, sound, audio
>
> [4.] Kernel information
> [4.1.] Kernel version (from /proc/version): Linux version 6.17.4 (docker@323dec686e20) (aarch64-rocknix-linux-gnueabi-gcc-14.2.0 (GCC) 14.2.0, GNU ld (GNU Binutils) 2.44) #1 SMP PREEMPT Wed Oct 22 23:21:15 UTC 2025
> [4.2.] Kernel .config file: see attached .config
>
> [5.] Most recent kernel version which did not have the bug: 6.16.9
>
> [6.] Output of Oops.. message (if applicable) with symbolic information
>      resolved (see Documentation/admin-guide/bug-hunting.rst)
>
> [7.] A small shell script or example program which triggers the
>      problem (if possible)
>
> [8.] Environment
>
> [8.1.] Software (add the output of the ver_linux script here)
>
> Linux S922X 6.17.4 #1 SMP PREEMPT Wed Oct 22 23:21:15 UTC 2025 aarch64 GNU/Linux
>
> Util-linux          	799088
> Mount               	799088
> Module-init-tools   	34.2
> E2fsprogs           	1.47.0
> Linux C++ Library   	6.0.33
> Dynamic linker (ldd)	2.40
> Procps              	4.0.5
> Udev                	255
> Modules Loaded      	cdc_ether cdc_ncm cfg80211 drm_shmem_helper gpu_sched nfnetlink ntfs3 overlay panfrost pkcs8_key_parser rfkill rocknix_joypad rtc_meson_vrtc usbnet zram zsmalloc
>
>
> [8.2.] Processor information (from /proc/cpuinfo): see attached cpuinfo.txt
> [8.3.] Module information (from /proc/modules): see attached modules.txt
> [8.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem): see attached iomem.txt
> [8.5.] PCI information ('lspci -vvv' as root): N/A - no PCI bus
> [8.6.] SCSI information (from /proc/scsi/scsi): N/A - no SCSI
>
> [8.7.] Other information that might be relevant to the problem
>        (please look in /proc and include all information that you
>        think to be relevant):
>
> - see attached alsa-info.txt.XXXX7OPGP3 (no soundcards found)
> - see attached decompiled devicetree pulled from the Odroid Go Ultra
>
> [X.] Other notes, patches, fixes, workarounds:
>
> In testing this issue, I have removed any downstream patches to relevant devicetree nodes, these results are purely with the 6.17.4 mainline devicetrees.
>
> I apologize if I have not filled this issue report correctly, this is my first attempt.
>
> Regards,
>
> John Williams
> porschemad911@gmail.com
>
> [2. text/plain; .config]...
>
> [3. text/plain; dmesg.txt]...
>
> [4. text/plain; cpuinfo.txt]...
>
> [5. text/plain; modules.txt]...
>
> [6. text/plain; iomem.txt]...
>
> [7. text/plain; alsa-info.txt.XXXX7OPGP3]...
>
> [8. audio/vnd.dts; meson-g12b-odroid-go-ultra.dts]...

-- 
Jerome