PCI/internal sound card not detected. Lenovo X1 Carbon Gen 7 Comet Lake
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
alsa-driver (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
It looks like 20.04 is now using sound open firmware (sof), however, sof does not have a driver(?) for Intel Comet Lake processors (which my Lenovo X1 Carbon Gen 7 laptop has). Here is the relevant output of dmesg:
[ 3.272336] sof-audio-pci 0000:00:1f.3: warning: No matching ASoC machine driver found
[ 3.272343] sof-audio-pci 0000:00:1f.3: DSP detected with PCI class/subclass/
[ 3.272485] sof-audio-pci 0000:00:1f.3: use msi interrupt mode
[ 3.323370] sof-audio-pci 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_
[ 3.355159] sof-audio-pci 0000:00:1f.3: hda codecs found, mask 5
[ 3.355161] sof-audio-pci 0000:00:1f.3: using HDA machine driver skl_hda_dsp_generic now
[ 3.377802] sof-audio-pci 0000:00:1f.3: Direct firmware load for intel/sof/
[ 3.377805] sof-audio-pci 0000:00:1f.3: error: request firmware intel/sof/
[ 3.377808] sof-audio-pci 0000:00:1f.3: error: failed to load DSP firmware -2
[ 3.377809] sof-audio-pci 0000:00:1f.3: error: sof_probe_work failed err: -2
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+
ProcVersionSign
Uname: Linux 5.4.0-14-generic x86_64
ApportVersion: 2.20.11-0ubuntu20
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CurrentDesktop: ubuntu:GNOME
Date: Sat Mar 14 18:22:42 2020
InstallationDate: Installed on 2020-03-14 (0 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200309)
PackageArchitec
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_
LANG=en_US.UTF-8
SHELL=/bin/zsh
SourcePackage: alsa-driver
Symptom: audio
Title: PCI/internal sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/25/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: N2QET21W (1.15 )
dmi.board.
dmi.board.name: 20R1S05A00
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.
dmi.modalias: dmi:bvnLENOVO:
dmi.product.family: ThinkPad X1 Carbon 7th
dmi.product.name: 20R1S05A00
dmi.product.sku: LENOVO_
dmi.product.
dmi.sys.vendor: LENOVO
Status changed to 'Confirmed' because the bug affects multiple users.