this line looks relevent 18:57:44.0656 Gvc: DEBUG gvc_mixer_control_lookup_device_from_stream - Could not find a device for stream 'Built-in Audio Digital Stereo (HDMI)'
** Attachment added: "gnome-control-center -v > .log" https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1923525/+attachment/5487068/+files/gnome-control-center.log -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1923525 Title: gnome-control-center sound won't set hdmi 5.1 Status in gnome-control-center package in Ubuntu: New Bug description: gnome-control-center sound Shows output device: hdmi-audio configure: stereo I change configure to 5.1 output device changes to "dummy" and the configure UI goes away. ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: gnome-control-center 1:3.38.5-1ubuntu1 ProcVersionSignature: Ubuntu 5.11.0-13.14-generic 5.11.7 Uname: Linux 5.11.0-13-generic x86_64 ApportVersion: 2.20.11-0ubuntu62 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Mon Apr 12 18:47:39 2021 InstallationDate: Installed on 2021-04-12 (0 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Beta amd64 (20210412) ProcEnviron: TERM=screen PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1923525/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp