Public bug reported:
background information:
1- I am running an Intel NUC 7i7BNB
2- I have it connected to my TV using HDMI for both video and audio
3- No other Bluetooth sound devices or any Bluetooth devices are paired
4- My TV is Samsung and is connected to Bose sound bar via an optical connection
issue:
after waking from sleep, ubuntu doesn't detect any audio device. Th problem
doesn't exist on boot, it only arises if the PC was sleeping / suspended. It
also happens most of the time but not all the time.
it does happen regardless of whether the TV was on or off when the PC was
waking up.
it also happens regardless of whether the soundbar connected to the TV was on
or off.
to fix it, I have to reboot. Logging out and back in doesn't fix it.
Thanks in advance for all of your hard work and for giving us such an
amazing free environment.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: afifim 1560 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 28 10:53:50 2020
InstallationDate: Installed on 2020-04-24 (4 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Digital Out, HDMI
Symptom_Type: None of the above
Title: [, Intel Kabylake HDMI, Digital Out, HDMI] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/19/2018
dmi.bios.vendor: Intel Corp.
dmi.bios.version: BNKBL357.86A.0070.2018.1019.1503
dmi.board.name: NUC7i7BNB
dmi.board.vendor: Intel Corporation
dmi.board.version: J31145-304
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnIntelCorp.:bvrBNKBL357.86A.0070.2018.1019.1503:bd10/19/2018:svn:pn:pvr:rvnIntelCorporation:rnNUC7i7BNB:rvrJ31145-304:cvn:ct3:cvr:
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1875666
Title:
[, Intel Kabylake HDMI, Digital Out, HDMI] Playback problem
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