Public bug reported:
Sound settings does not offer hdmi audio in 20.04, but was there in 16 and 18
LTSs.
New HDMI monitor is fine but no audio. Reboot to Ubuntu 16.04.1 LTS (16.04)
{linux /boot/vmlinuz-4.4.0-24-generic} and all is well.
ALSA Information Script v 0.4.65 ran giving result at:
http://alsa-project.org/db/?f=84926788cff2eb5d8d305d6a896608514495ce2f
Deleting ~/.config/pulse/* broke all the sound but ok again when
restored
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-29-generic 5.4.0-29.33
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
Uname: Linux 5.4.0-29-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: paul 1715 F.... pulseaudio
/dev/snd/controlC1: paul 1715 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu May 14 01:06:50 2020
HibernationDevice: RESUME=UUID=6ee76bfb-393c-47bf-807f-6d0d8929c120
InstallationDate: Installed on 2016-06-15 (1428 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
IwConfig:
enp3s0 no wireless extensions.
lo no wireless extensions.
MachineType: System manufacturer System Product Name
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-29-generic
root=UUID=a0ad560d-ee6e-4f49-b40f-d239ecfcf167 ro persistent quiet splash
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-29-generic N/A
linux-backports-modules-5.4.0-29-generic N/A
linux-firmware 1.187
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-05-06 (7 days ago)
dmi.bios.date: 12/22/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0915
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M4A785TD-M EVO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0915:bd12/22/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A785TD-MEVO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1878507
Title:
No HDMI audio in ubuntu 20.04
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