Bug was also confirmed in Ubuntu's 5.4.0 kernel (original report)
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1871414
Title:
[Gigabyte GA-AB350M-D3H] Pulseaudio repeatedly detects a headphone
being plugged in when nothing is plugged in
Status in linux package in Ubuntu:
Confirmed
Status in pulseaudio package in Ubuntu:
New
Bug description:
Software details:
Distro: Kubuntu 20.04 Beta
Kernel: 5.4.0-21-generic
alsa-base version 1.0.25+dfsg-0ubuntu5
alsa-utils version 1.2.2-1ubuntu1
pulseaudio version 1:13.99.1-1ubuntu1
Hardware details:
Motherboard: Gigabyte GA-AB350M-D3H
Audio Codec: Realtek ALC887
GPU: Nvidia RTX 2060 Super (with the audio output disabled in PulseAudio)
Regarding the issue:
Every time I start an audio stream (regardless of the application), I can
hear interruptions in the sound and when opening alsamixer I can also see the
interface kind of flickering for a few milliseconds.
After running pulseaudio with logging enabled for a few seconds (while
playing music), this pattern can be seen:
[pulseaudio] sink.c: alsa_output.pci-0000_0a_00.3.analog-stereo: state: IDLE
-> RUNNING
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
unplugged
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status no
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
unplugged
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status no
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
unplugged
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status no
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
unplugged
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status no
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
unplugged
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status no
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
unplugged
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status no
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
unplugged
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status no
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
unplugged
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status no
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
unplugged
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status no
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
unplugged
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status no
D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now
plugged in
D: [pulseaudio] device-port.c: Setting port analog-output-headphones to
status yes
Note: I've no headphones attached ! Only the line out is connected to
a 2.1 Speaker
It seems basically the same bug as this:
https://bbs.archlinux.org/viewtopic.php?id=147225
but in my case disabling "module-switch-on-port-available" doesn't remove the
audio "artifacts"
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu25
Architecture: amd64
CurrentDesktop: KDE
DistroRelease: Ubuntu 20.04
NonfreeKernelModules: nvidia_modeset nvidia
Package: pulseaudio 1:13.99.1-1ubuntu1
PackageArchitecture: amd64
Tags: focal
Uname: Linux 5.6.2-050602-generic x86_64
UnreportableReason: The running kernel is not an Ubuntu kernel
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
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