Public bug reported:
Summary
-------
On a new Dell Alienware 18 (2024) laptop running Ubuntu 24.04 with OEM kernel
(6.14.0-1015-oem), the internal audio (speakers / headphone jack) does not work
at all.
Only NVIDIA HDMI audio is detected by ALSA and PipeWire. The Intel on-board
audio controller is visible on PCI and a SOF driver is attached, but ALSA
creates no PCM devices for it, so there is no internal sound output.
This looks like missing or incomplete support for Intel Arrow Lake audio
(8086:7f50, subsystem 1028:0ccd) in the current Ubuntu kernel / SOF stack.
System information
------------------
Laptop: Dell Alienware 18 (2024 model)
OS: Ubuntu 24.04 LTS
Kernel: 6.14.0-1015-oem (linux-oem-24.04)
Audio stack: PipeWire (pipewire, pipewire-pulse, wireplumber)
PCI audio devices:
$ lspci -nnk | grep -A3 -E 'Audio|Multimedia'
02:00.1 Audio device [0403]: NVIDIA Corporation Device [10de:22e9] (rev a1)
Subsystem: NVIDIA Corporation Device [10de:0000]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
--
80:1f.3 Multimedia audio controller [0401]: Intel Corporation Device
[8086:7f50] (rev 10)
Subsystem: Dell Device [1028:0ccd]
Kernel driver in use: sof-audio-pci-intel-mtl
Kernel modules: snd_hda_intel, snd_sof_pci_intel_mtl
So the Intel Arrow Lake audio controller is detected and bound to
sof-audio-pci-intel-mtl, but ALSA does not expose any devices for it.
ALSA output
-----------
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
There is no "HDA Intel", "PCH", "sof-hda-dsp" or any internal analog device.
Only the NVIDIA HDMI devices are present.
PipeWire output
---------------
$ pactl list short sinks
33 auto_null PipeWire float32le 2ch 48000Hz SUSPENDED
PipeWire only creates the auto_null sink because there are no real
audio devices from ALSA.
Packages and firmware
---------------------
The following packages are installed and up to date:
- linux-firmware
- firmware-sof-signed
- alsa-ucm-conf
- pipewire
- pipewire-pulse
- wireplumber
- alsa-utils
- libasound2-plugins
PulseAudio is disabled and PipeWire is running as the primary audio
server.
What I have tried
-----------------
- Updated to the OEM kernel: linux-oem-24.04 (6.14.0-1015-oem)
- Reinstalled linux-firmware
- Installed firmware-sof-signed and alsa-ucm-conf
- Disabled PulseAudio (masked user pulseaudio services/sockets)
- Enabled PipeWire and pipewire-pulse and restarted WirePlumber
- Removed any custom modprobe configs and blacklists I had tried
- Reinstalled NVIDIA drivers; video stack is now working correctly
- Checked BIOS/UEFI: audio is enabled
Despite all this, the Intel audio device (8086:7f50 / 1028:0ccd) never
produces any PCM devices in ALSA. aplay -l always only shows the NVIDIA
HDMI card.
Expected behavior
-----------------
- The Intel on-board audio (Realtek/Intel codec behind 8086:7f50 / 1028:0ccd)
should be fully supported.
- ALSA should expose at least one PCM device for analog output
(speakers / headphone jack).
- PipeWire should see these devices and create one or more real sinks
instead of auto_null.
- Sound should play through the laptop's internal speakers and headphone jack.
Actual behavior
---------------
- Only the NVIDIA HDMI HDA controller is usable (card 0).
- The Intel Arrow Lake audio controller is detected but never exposes
any ALSA PCM devices.
- PipeWire only shows the auto_null sink.
- Internal speakers and headphone jack are completely unusable on Ubuntu 24.04
with the current OEM kernel.
Request
-------
This appears to be missing or incomplete support for the Intel Arrow Lake
audio device:
8086:7f50 (Intel)
1028:0ccd (Dell Alienware 18)
I would kindly ask:
- Is support for this audio device already present in any newer Ubuntu kernel
or SOF firmware, and if so, which version(s) should I test?
- If not yet supported, could this device ID be added to the appropriate
SOF / ASoC machine driver / UCM configuration?
- Are there any known workarounds (e.g. specific kernel parameters, alternative
SOF topology, or test patches) that I could try on this system?
I am happy to provide additional logs (dmesg, alsa-info, pw-dump) and to test
development kernels or patches if needed.
Thank you for your help.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.14.0-1015-oem 6.14.0-1015.15
ProcVersionSignature: Ubuntu 6.14.0-1015.15-oem 6.14.11
Uname: Linux 6.14.0-1015-oem x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: alexander 3121 F.... wireplumber
/dev/snd/seq: alexander 3117 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Nov 17 20:09:43 2025
InstallationDate: Installed on 2025-11-07 (10 days ago)
InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64
(20250805.1)
IwConfig:
lo no wireless extensions.
wlp131s0f0 no wireless extensions.
MachineType: Alienware Alienware 18 Area-51 AA18250
ProcEnviron:
LANG=ru_RU.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 nvidia-drmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.14.0-1015-oem
root=UUID=7322735b-2b07-4fdb-8145-76ac3f0a900d ro quiet splash
intel_iommu=igfx_off vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-6.14.0-1015-oem N/A
linux-backports-modules-6.14.0-1015-oem N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.19
SourcePackage: linux-oem-6.14
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/25/2025
dmi.bios.release: 1.6
dmi.bios.vendor: Alienware
dmi.bios.version: 1.6.1
dmi.board.name: 0D469V
dmi.board.vendor: Alienware
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Alienware
dmi.ec.firmware.release: 1.4
dmi.modalias:
dmi:bvnAlienware:bvr1.6.1:bd07/25/2025:br1.6:efr1.4:svnAlienware:pnAlienware18Area-51AA18250:pvr:rvnAlienware:rn0D469V:rvrA00:cvnAlienware:ct10:cvr:sku0CCD:
dmi.product.family: Alienware
dmi.product.name: Alienware 18 Area-51 AA18250
dmi.product.sku: 0CCD
dmi.sys.vendor: Alienware
** Affects: linux-oem-6.14 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2131689
Title:
No internal audio on Dell Alienware 18 (Intel Arrow Lake, 8086:7f50,
1028:0ccd) – only NVIDIA HDMI detected on Ubuntu 24.04
(6.14.0-1015-oem)
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