Public bug reported:
Since I upgraded from Ubuntu 19.10 to Ubuntu 20.04, I have been unable
to direct my sound output to my HDMI monitor. The option is not shown in
the settings GUI and if I try to set it in the configuration menu of
PulseAudio Volume Control, all the options in the profile list show
(unplugged) (unavailable). This was running perfect before the upgrade.
I have tried all the suggestions I could find on the net so far, but
nono of them worked.
The graphics card is NVidia GTX 1660.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-28-generic 5.4.0-28.32
ProcVersionSignature: Ubuntu 5.4.0-28.32-generic 5.4.30
Uname: Linux 5.4.0-28-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: bhaskar 8945 F.... pulseaudio
/dev/snd/controlC1: bhaskar 8945 F.... pulseaudio
/dev/snd/pcmC1D1p: bhaskar 8945 F...m pulseaudio
/dev/snd/timer: bhaskar 8945 f.... pulseaudio
CRDA:
global
country IN: DFS-UNSET
(2402 - 2482 @ 40), (N/A, 20), (N/A)
(5150 - 5350 @ 160), (N/A, 23), (N/A)
(5725 - 5875 @ 80), (N/A, 23), (N/A)
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun May 3 00:40:31 2020
MachineType: Gigabyte Technology Co., Ltd. B450M DS3H
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-28-generic
root=UUID=dfd7e1ce-68a7-452e-bd49-7790575b96be ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-28-generic N/A
linux-backports-modules-5.4.0-28-generic N/A
linux-firmware 1.187
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-04-23 (9 days ago)
dmi.bios.date: 07/22/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F41
dmi.board.asset.tag: Default string
dmi.board.name: B450M DS3H-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.:bvrF41:bd07/22/2019:svnGigabyteTechnologyCo.,Ltd.:pnB450MDS3H:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnB450MDS3H-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: B450M DS3H
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1876511
Title:
Ubuntu 20.04 HDMI audio is unplugged
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