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Thu, 23 Oct 2025 01:39:00 -0700 (PDT) Received: from localhost ([2a01:e0a:3c5:5fb1:6aef:b8f:aa92:c859]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-475cae9f571sm25134965e9.7.2025.10.23.01.38.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Oct 2025 01:38:59 -0700 (PDT) From: Jerome Brunet To: John Williams Cc: linux-sound@vger.kernel.org Subject: Re: PROBLEM: Linux 6.17.4 - no audio on Hardkernel Odroid Go Ultra In-Reply-To: <9e966ea8-487e-4d0a-bf39-61428b3f9163@gmail.com> (John Williams's message of "Thu, 23 Oct 2025 14:34:38 +1100") References: <9e966ea8-487e-4d0a-bf39-61428b3f9163@gmail.com> User-Agent: mu4e 1.12.9; emacs 30.1 Date: Thu, 23 Oct 2025 10:38:59 +0200 Message-ID: <1jldl22esc.fsf@starbuckisacylon.baylibre.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Thu 23 Oct 2025 at 14:34, John Williams 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