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[Alistair Cunningham <2129735@xxxxxxxxxxxxxxxxxx>]

apport information

** Attachment added: "PipewireDump.txt"
   https://bugs.launchpad.net/bugs/2129735/+attachment/5920173/+files/PipewireDump.txt

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https://bugs.launchpad.net/bugs/2129735

Title:
  Speakers and microphone lost after upgrade to Ubuntu 25.10

Status in alsa-driver package in Ubuntu:
  New
Status in pipewire package in Ubuntu:
  New

Bug description:
  When running Ubuntu 25.04, my Thinkpad X9 15's speakers and microphone
  worked correctly, and were visible in the settings menu. After
  upgrading to Ubuntu 25.10, the settings menu can no longer see the
  speakers or microphone. Only a dummy output device is shown.

  lspci -v shows that the audio controller is still found at a kernel
  level:

  00:1f.3 Multimedia audio controller: Intel Corporation Lunar Lake-M HD Audio Controller (rev 10)
  	Subsystem: Lenovo Device 233b
  	Flags: bus master, fast devsel, latency 64, IRQ 189, IOMMU group 17
  	Memory at 2051200000 (64-bit, non-prefetchable) [size=512K]
  	Memory at 2051000000 (64-bit, non-prefetchable) [size=2M]
  	Capabilities: <access denied>
  	Kernel driver in use: sof-audio-pci-intel-lnl
  	Kernel modules: snd_sof_pci_intel_lnl, snd_hda_intel

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: gnome-control-center 1:49.0-1ubuntu2
  ProcVersionSignature: Ubuntu 6.17.0-5.5-generic 6.17.0-rc7
  Uname: Linux 6.17.0-5-generic x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Oct 24 11:32:33 2025
  InstallationDate: Installed on 2025-09-07 (47 days ago)
  InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
  SourcePackage: gnome-control-center
  UpgradeStatus: Upgraded to questing on 2025-10-14 (10 days ago)
  --- 
  ProblemType: Bug
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  alistair  226617 F.... wireplumber
   /dev/snd/seq:        alistair  226616 F.... pipewire
  CasperMD5CheckResult: unknown
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 25.10
  InstallationDate: Installed on 2025-09-07 (47 days ago)
  InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
  MachineType: LENOVO 21Q6CTO1WW
  Package: pipewire 1.4.7-3ubuntu2
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 6.17.0-5.5-generic 6.17.0-rc7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  Tags: questing wayland-session
  Uname: Linux 6.17.0-5-generic x86_64
  UpgradeStatus: Upgraded to questing on 2025-10-14 (10 days ago)
  UserGroups: adm cdrom dip input lpadmin plugdev root sudo users
  _MarkForUpload: True
  dmi.bios.date: 03/06/2025
  dmi.bios.release: 1.12
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N4CET36W (1.12 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 21Q6CTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.ec.firmware.release: 1.8
  dmi.modalias: dmi:bvnLENOVO:bvrN4CET36W(1.12):bd03/06/2025:br1.12:efr1.8:svnLENOVO:pn21Q6CTO1WW:pvrThinkPadX9-15Gen1:rvnLENOVO:rn21Q6CTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21Q6_BU_Think_FM_ThinkPadX9-15Gen1:
  dmi.product.family: ThinkPad X9-15 Gen 1
  dmi.product.name: 21Q6CTO1WW
  dmi.product.sku: LENOVO_MT_21Q6_BU_Think_FM_ThinkPad X9-15 Gen 1
  dmi.product.version: ThinkPad X9-15 Gen 1
  dmi.sys.vendor: LENOVO

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