I can confirm that libasound2 from ppa:hui.wang/pa-testing works.
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https://bugs.launchpad.net/bugs/1901157
Title:
[Raven/Raven2/FireFlight/Renoir AMD Ryzen] No Sound at all
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
After Upgrading to Ubuntu 20.10 (From 20.04) I noticed, that my Audio Output
didn't work anymore.
Switching between different Kernel Versions (Mainline 5.8.16 and Ubuntu Stock
5.8.0-25, 5.4.0-52) doesn't change that. Even on a fresh 20.10 Livesystem i get
the exact same problem (On 20.04 Livesystem it works)
An Output of "$ lspci -nnk | grep -A2 Audio" shows that the Output device
uses the wrong Kernel Module (Audio Input is working since it uses the correct
kernel module and driver)
07:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Device
[1002:1637]
Subsystem: Lenovo Device [17aa:5081]
Kernel modules: snd_hda_intel
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07:00.5 Multimedia controller [0480]: Advanced Micro Devices, Inc. [AMD]
Raven/Raven2/FireFlight/Renoir Audio Processor [1022:15e2] (rev 01)
Subsystem: Lenovo Raven/Raven2/FireFlight/Renoir Audio Processor
[17aa:5081]
Kernel driver in use: snd_rn_pci_acp3x
Kernel modules: snd_pci_acp3x, snd_rn_pci_acp3x
07:00.6 Audio device [0403]: Advanced Micro Devices, Inc. [AMD] Family 17h
(Models 10h-1fh) HD Audio Controller [1022:15e3]
Subsystem: Lenovo Family 17h (Models 10h-1fh) HD Audio Controller
[17aa:5081]
Kernel modules: snd_hda_intel
Affected Device is a ThinkPad T14 with an AMD Ryzen 4750U
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
Uname: Linux 5.8.16-050816-generic x86_64
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: moritz 2175 F.... pulseaudio
/dev/snd/pcmC1D0c: moritz 2175 F...m pulseaudio
/dev/snd/controlC0: moritz 2175 F.... pulseaudio
/dev/snd/pcmC0D0c: moritz 2175 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: Budgie:GNOME
Date: Fri Oct 23 10:17:36 2020
InstallationDate: Installed on 2020-10-15 (7 days ago)
InstallationMedia: Ubuntu-Budgie 20.04.1 LTS "Focal Fossa" - Release amd64
(20200731)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:acp failed
Symptom_Card: Webcam Vitade AF - USB 2.0 Camera
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: moritz 2175 F.... pulseaudio
/dev/snd/pcmC1D0c: moritz 2175 F...m pulseaudio
/dev/snd/controlC0: moritz 2175 F.... pulseaudio
/dev/snd/pcmC0D0c: moritz 2175 F...m pulseaudio
Symptom_Type: No sound at all
Title: [acp - acp, playback] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/07/2020
dmi.bios.release: 1.9
dmi.bios.vendor: LENOVO
dmi.bios.version: R1BET40W(1.09 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20UD0013GE
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.9
dmi.modalias:
dmi:bvnLENOVO:bvrR1BET40W(1.09):bd08/07/2020:br1.9:efr1.9:svnLENOVO:pn20UD0013GE:pvrThinkPadT14Gen1:rvnLENOVO:rn20UD0013GE:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T14 Gen 1
dmi.product.name: 20UD0013GE
dmi.product.sku: LENOVO_MT_20UD_BU_Think_FM_ThinkPad T14 Gen 1
dmi.product.version: ThinkPad T14 Gen 1
dmi.sys.vendor: LENOVO
modified.conffile..etc.modprobe.d.alsa-base.conf: [modified]
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2020-10-23T01:18:30.406924
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