Public bug reported:

This laptop has had non-functioning internal sound (based on AMD Renoir)
until Ubuntu 24.04, which made it work thanks to a bugfix in the kernel.

Unfortunately, the sound is completely broken with kernel from package
"linux-image-6.8.0-38-generic" (6.8.0-38.38): the internal speakers are
not even listed in the sound GUI (I am using "mate-volume-control", with
Ubuntu-Mate.

When I boot the laptop on Linux 6.8.0-36-generic, the speakers are
listed and the sound works normally.

This might be related to this bug in Linux kernel:
https://bugzilla.kernel.org/show_bug.cgi?id=218959

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-38-generic 6.8.0-38.38
ProcVersionSignature: Ubuntu 6.8.0-38.38-generic 6.8.8
Uname: Linux 6.8.0-38-generic x86_64
ApportVersion: 2.28.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/seq:        julier     2643 F.... pipewire
 /dev/snd/pcmC0D3p:   julier     2643 F...m pipewire
 /dev/snd/controlC0:  julier     2645 F.... wireplumber
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: MATE
Date: Sun Jul 14 11:03:18 2024
InstallationDate: Installed on 2022-04-18 (818 days ago)
InstallationMedia: Ubuntu-MATE 22.04 LTS "Jammy Jellyfish" - Daily amd64 
(20220418)
MachineType: HUAWEI HVY-WXX9
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-38-generic 
root=UUID=e5259488-061f-48f2-b6ca-9ebd58053ca3 ro quiet splash 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-6.8.0-38-generic N/A
 linux-backports-modules-6.8.0-38-generic  N/A
 linux-firmware                            20240318.git3b128b60-0ubuntu2.1
SourcePackage: linux
UpgradeStatus: Upgraded to noble on 2024-04-28 (76 days ago)
dmi.bios.date: 03/17/2023
dmi.bios.release: 2.17
dmi.bios.vendor: HUAWEI
dmi.bios.version: 2.17
dmi.board.asset.tag: N/A
dmi.board.name: HVY-WXX9-PCB-B1
dmi.board.vendor: HUAWEI
dmi.board.version: M1010
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: HUAWEI
dmi.chassis.version: M1010
dmi.ec.firmware.release: 2.17
dmi.modalias: 
dmi:bvnHUAWEI:bvr2.17:bd03/17/2023:br2.17:efr2.17:svnHUAWEI:pnHVY-WXX9:pvrM1010:rvnHUAWEI:rnHVY-WXX9-PCB-B1:rvrM1010:cvnHUAWEI:ct10:cvrM1010:skuC100:
dmi.product.family: MateBook D
dmi.product.name: HVY-WXX9
dmi.product.sku: C100
dmi.product.version: M1010
dmi.sys.vendor: HUAWEI

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug noble

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https://bugs.launchpad.net/bugs/2073049

Title:
  No sound on Huawei Matebook D14  AMD since Linux 6.8.0-38 [regression]

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