Public bug reported:
Audio dropouts and general surround sound issues.
Incorrect ALC device shown from cat /proc/asound/card1/pcm0c/info
card: 1
device: 0
subdevice: 0
stream: CAPTURE
id: ALC887-VD Analog
name: ALC887-VD Analog
subname: subdevice #0
class: 0
subclass: 0
subdevices_count: 1
subdevices_avail: 1
Device should be shown as ALC1220 as per Motherboard (Gigabyte AB350
Gaming 3) Specifications.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-52.57-lowlatency 5.4.65
Uname: Linux 5.4.0-52-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu27.11
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: billy 9531 F.... pulseaudio
/dev/snd/controlC2: billy 9531 F.... pulseaudio
/dev/snd/controlC1: billy 9531 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Tue Nov 10 15:05:30 2020
InstallationDate: Installed on 2020-11-10 (0 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Generic failed
Symptom_Card: Family 17h (Models 00h-0fh) HD Audio Controller - HD-Audio Generic
Symptom_Jack: Green Line Out, Rear
Symptom_PulseAudioLog:
Nov 10 14:37:41 AMI-Buntu dbus-daemon[882]: [system] Activating via systemd:
service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service'
requested by ':1.28' (uid=1000 pid=1083 comm="/usr/bin/pulseaudio
--daemonize=no --log-target=jo" label="unconfined")
Nov 10 14:37:43 AMI-Buntu dbus-daemon[882]: [system] Activating via systemd:
service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.41'
(uid=1000 pid=1083 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo"
label="unconfined")
Nov 10 14:57:06 AMI-Buntu dbus-daemon[882]: [system] Activating via systemd:
service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.341'
(uid=1000 pid=9531 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo"
label="unconfined")
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [AB350-Gaming, Realtek ALC887-VD, Green Line Out, Rear] Underruns,
dropouts or crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/17/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F23d
dmi.board.asset.tag: Default string
dmi.board.name: AB350-Gaming-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF23d:bd04/17/2018:svnGigabyteTechnologyCo.,Ltd.:pnAB350-Gaming:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnAB350-Gaming-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: AB350-Gaming
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2020-11-10T14:56:54.599621
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1903723
Title:
Audio dropouts and general surround sound issues. Device shown as
ALC887-VD Analog instead of ALC1220 as per motherboard specifications
[AB350-Gaming, Realtek ALC887-VD, Green Line Out, Rear] Underruns,
dropouts or crackling sound
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