Expected behaviour:
When running Ubuntu 21.04 on desktop hardware any active USB audio devices should not be suspended while playing/recording audio.
Actual behaviour:
When running Ubuntu 21.04 on desktop hardware active USB audio devices that are playing/recording audio are suspended after a few seconds.
This upstream bug appears relevant and seems to lay the blame elsewhere, perhaps the kernel.
* https://github.com/linrunner/TLP/issues/545
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu62
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC3: martin 52211 F.... pulseaudio
/dev/snd/controlC4: martin 52211 F.... pulseaudio
/dev/snd/controlC1: martin 52211 F.... pulseaudio
/dev/snd/controlC0: martin 52211 F.... pulseaudio
CasperMD5CheckResult: unknown
CurrentDesktop: MATE
DistroRelease: Ubuntu 21.04
InstallationDate: Installed on 2020-10-19 (176 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20201019)
MachineType: Gigabyte Technology Co., Ltd. TRX40 DESIGNARE
NonfreeKernelModules: nvidia_modeset nvidia
Package: ubuntu-mate-settings
PackageArchitecture: all
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-13-generic root=UUID=e1cb7300-2f01-4638-9e29-764441684c38 ro quiet splash noibrs noibpb nopti nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier mds=off tsx=on tsx_async_abort=off mitigations=off vt.handoff=7
ProcVersionSignature: Ubuntu 5.11.0-13.14-generic 5.11.7
RelatedPackageVersions:
linux-restricted-modules-5.11.0-13-generic N/A
linux-backports-modules-5.11.0-13-generic N/A
linux-firmware 1.197
Tags: hirsute apport-hook-error
Uname: Linux 5.11.0-13-generic x86_64
UpgradeStatus: Upgraded to hirsute on 2021-04-09 (4 days ago)
UserGroups: adm audio cdrom dip input lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 09/25/2020
dmi.bios.release: 5.15
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: FBd
dmi.board.asset.tag: Default string
dmi.board.name: TRX40 DESIGNARE
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:bvnAmericanMegatrendsInternational,LLC.:bvrFBd:bd09/25/2020:br5.15:svnGigabyteTechnologyCo.,Ltd.:pnTRX40DESIGNARE:pvr-CF:rvnGigabyteTechnologyCo.,Ltd.:rnTRX40DESIGNARE:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: TRX40 DESIGNARE
dmi.product.sku: Default string
dmi.product.version: -CF
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1923737
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.