Public bug reported:
[MS-7A40, Realtek ALC887-VD, Green Headphone Out, Front] fails if
headphone is not plugged in on boot.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
NonfreeKernelModules: lkp_Ubuntu_5_4_0_42_46_generic_70 nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: mea 1935 F.... pulseaudio
/dev/snd/pcmC1D0c: mea 1935 F...m pulseaudio
/dev/snd/controlC0: mea 1935 F.... pulseaudio
/dev/snd/controlC2: mea 1935 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Aug 30 12:29:20 2020
InstallationDate: Installed on 2020-07-17 (44 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Starship/Matisse HD Audio Controller - HD-Audio Generic
Symptom_Jack: Green Headphone Out, Front
Symptom_PulseAudioLog: Aug 30 11:07:51 mea-MS-7A40 dbus-daemon[908]: [system]
Activating via systemd: service name='org.freedesktop.RealtimeKit1'
unit='rtkit-daemon.service' requested by ':1.28' (uid=125 pid=1178
comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Symptom_Type: Sound works for a while, then breaks
Title: [MS-7A40, Realtek ALC887-VD, Green Headphone Out, Front] fails after a
while
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/12/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: A.B0
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: B450I GAMING PLUS AC (MS-7A40)
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: 2.0
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: 2.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrA.B0:bd11/12/2019:svnMicro-StarInternationalCo.,Ltd.:pnMS-7A40:pvr2.0:rvnMicro-StarInternationalCo.,Ltd.:rnB450IGAMINGPLUSAC(MS-7A40):rvr2.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr2.0:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7A40
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: 2.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1893566
Title:
[MS-7A40, Realtek ALC887-VD, Green Headphone Out, Front] fails if
headphone not plugged in on bootl
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