Public bug reported:
I manually set my audio output to the Line Out. Every reboot this
settings is lost and the system defaults back to the USB output. I have
several other distros to test - Ubuntu and its flavors are the only ones
that have this problem. Something changed in 19.04 or 19.10 that broke
this, and it continues to be an issue in 20.04.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu26
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: caleb 1778 F.... pulseaudio
/dev/snd/controlC3: caleb 1778 F.... pulseaudio
/dev/snd/controlC1: caleb 1778 F.... pulseaudio
/dev/snd/controlC0: caleb 1778 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Wed Apr 15 19:32:36 2020
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Title: USB sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/06/2018
dmi.bios.vendor: AMI
dmi.bios.version: F.30
dmi.board.name: 8437
dmi.board.vendor: HP
dmi.board.version: 1.3
dmi.chassis.type: 3
dmi.chassis.vendor: HP
dmi.modalias:
dmi:bvnAMI:bvrF.30:bd09/06/2018:svnHP:pnOMENbyHPDesktopPC880-p1xx:pvr:rvnHP:rn8437:rvr1.3:cvnHP:ct3:cvr:
dmi.product.family: 103C_53311M HP Omen
dmi.product.name: OMEN by HP Desktop PC 880-p1xx
dmi.product.sku: 2TB61AV
dmi.sys.vendor: HP
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1873104
Title:
Defaults to USB audio after every reboot
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