Public bug reported:
no sound device fount, although there is one (alder lake , se output
below)
running 26.04 (se below). it worked fine using 24.04. i'll reinstall a
newer build later and try again.
$ lspci
00:00.0 Host bridge: Intel Corporation Device 4621 (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Alder Lake-P GT2 [Iris Xe
Graphics] (rev 0c)
00:04.0 Signal processing controller: Intel Corporation Alder Lake Innovation
Platform Framework Processor Participant (rev 02)
00:05.0 Multimedia controller: Intel Corporation Alder Lake Imaging Signal
Processor (rev 02)
00:06.0 PCI bridge: Intel Corporation 12th Gen Core Processor PCI Express x4
Controller #0 (rev 02)
00:07.0 PCI bridge: Intel Corporation Alder Lake-P Thunderbolt 4 PCI Express
Root Port #0 (rev 02)
00:07.2 PCI bridge: Intel Corporation Alder Lake-P Thunderbolt 4 PCI Express
Root Port #2 (rev 02)
00:08.0 System peripheral: Intel Corporation 12th Gen Core Processor Gaussian &
Neural Accelerator (rev 02)
00:0a.0 Signal processing controller: Intel Corporation Platform Monitoring
Technology (rev 01)
00:0d.0 USB controller: Intel Corporation Alder Lake-P Thunderbolt 4 USB
Controller (rev 02)
00:0d.2 USB controller: Intel Corporation Alder Lake-P Thunderbolt 4 NHI #0
(rev 02)
00:0d.3 USB controller: Intel Corporation Alder Lake-P Thunderbolt 4 NHI #1
(rev 02)
00:12.0 Serial controller: Intel Corporation Alder Lake-P Integrated Sensor Hub
(rev 01)
00:14.0 USB controller: Intel Corporation Alder Lake PCH USB 3.2 xHCI Host
Controller (rev 01)
00:14.2 RAM memory: Intel Corporation Alder Lake PCH Shared SRAM (rev 01)
00:14.3 Network controller: Intel Corporation Alder Lake-P PCH CNVi WiFi (rev
01)
00:15.0 Serial bus controller: Intel Corporation Alder Lake PCH Serial IO I2C
Controller #0 (rev 01)
00:15.1 Serial bus controller: Intel Corporation Alder Lake PCH Serial IO I2C
Controller #1 (rev 01)
00:16.0 Communication controller: Intel Corporation Alder Lake PCH HECI
Controller (rev 01)
00:19.0 Serial bus controller: Intel Corporation Alder Lake-P Serial IO I2C
Controller #0 (rev 01)
00:1f.0 ISA bridge: Intel Corporation Alder Lake PCH eSPI Controller (rev 01)
00:1f.3 Audio device: Intel Corporation Alder Lake PCH-P High Definition Audio
Controller (rev 01)
00:1f.4 SMBus: Intel Corporation Alder Lake PCH-P SMBus Host Controller (rev 01)
00:1f.5 Serial bus controller: Intel Corporation Alder Lake-P PCH SPI
Controller (rev 01)
04:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD
Controller PM9A1/PM9A3/980PRO
robbert@robbert-ThinkPad-X1-Yoga-Gen-7:~/git/ansible$
cat /etc/os-release
PRETTY_NAME="Ubuntu Resolute Raccoon (development branch)"
NAME="Ubuntu"
VERSION_ID="26.04"
VERSION="26.04 (Resolute Raccoon)"
VERSION_CODENAME=resolute
ID=ubuntu
ID_LIKE=debian
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: alsa-base 1.0.25+dfsg-0ubuntu9
ProcVersionSignature: Ubuntu 6.19.0-6.6-generic 6.19.2
Uname: Linux 6.19.0-6-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: robbert 7293 F.... pipewire
robbert 7309 F.... wireplumber
/dev/snd/seq: robbert 7293 F.... pipewire
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Mon Feb 23 20:00:44 2026
InstallationDate: Installed on 2026-02-22 (1 days ago)
InstallationMedia: Ubuntu 26.04 LTS "Resolute Raccoon" - Daily amd64 (20260218)
MachineType: LENOVO 21CDCTO1WW
PackageArchitecture: all
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
XDG_RUNTIME_DIR=<set>
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/18/2025
dmi.bios.release: 1.53
dmi.bios.vendor: LENOVO
dmi.bios.version: N3AET88W (1.53 )
dmi.board.asset.tag: Not Available
dmi.board.name: 21CDCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.26
dmi.modalias:
dmi:bvnLENOVO:bvrN3AET88W(1.53):bd11/18/2025:br1.53:efr1.26:svnLENOVO:pn21CDCTO1WW:pvrThinkPadX1YogaGen7:rvnLENOVO:rn21CDCTO1WW:rvrNotDefined:cvnLENOVO:ct31:cvrNone:skuLENOVO_MT_21CD_BU_Think_FM_ThinkPadX1YogaGen7:
dmi.product.family: ThinkPad X1 Yoga Gen 7
dmi.product.name: 21CDCTO1WW
dmi.product.sku: LENOVO_MT_21CD_BU_Think_FM_ThinkPad X1 Yoga Gen 7
dmi.product.version: ThinkPad X1 Yoga Gen 7
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2142502
Title:
i have no sound (settings sound reports no output device)
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