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I'm using ubuntu 20.04, I recently upgraded from 18.
I have nvidia video card, connected to HDMI TV which outputs sound.
I think the sound will not work sometimes after boot up, sometimes it
does work.
But it definitely does not work when ubuntu goes to idle. As soon as
ubuntu goes to idle and screen starts to fade, sound will disappear.
Funny enough, if I play a game from emulator MAME, MAME game will bring
sound back, and all my youtube and other games sound will work.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
Uname: Linux 5.4.0-48-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 5 14:24:09 2020
InstallationDate: Installed on 2018-09-08 (758 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_AU:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_AU.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: TU106 High Definition Audio Controller - HDA NVidia
Symptom_Jack: Digital Out, HDMI
Symptom_PulseAudioLog:
Oct 05 12:14:37 stormrage-System-Product-Name dbus-daemon[874]: [system]
Activating via systemd: service name='org.freedesktop.RealtimeKit1'
unit='rtkit-daemon.service' requested by ':1.31' (uid=121 pid=1175
comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Oct 05 12:14:38 stormrage-System-Product-Name pulseaudio[1175]: No UCM verb is
valid for hw:0
Oct 05 12:14:38 stormrage-System-Product-Name dbus-daemon[874]: [system]
Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service'
requested by ':1.36' (uid=121 pid=1175 comm="/usr/bin/pulseaudio --daemonize=no
--log-target=jo" label="unconfined")
Oct 05 12:14:38 stormrage-System-Product-Name pulseaudio[1175]: No UCM verb is
valid for hw:2
Symptom_Type: Sound works for a while, then breaks
Title: [System Product Name, Nvidia GPU 93 HDMI/DP, Digital Out, HDMI] fails
after a while
UpgradeStatus: Upgraded to focal on 2020-10-03 (1 days ago)
dmi.bios.date: 08/19/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1903
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: MAXIMUS V GENE
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1903:bd08/19/2013:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnMAXIMUSVGENE:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
--
[System Product Name, Nvidia GPU 93 HDMI/DP, Digital Out, HDMI] fails after a
while
https://bugs.launchpad.net/bugs/1898512
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