[Bug 1923737] ProcInterrupts.txt

[Martin Wimpress ]

apport information

** Attachment added: "ProcInterrupts.txt"
   https://bugs.launchpad.net/bugs/1923737/+attachment/5487771/+files/ProcInterrupts.txt

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Title:
  TLP aggressively suspends active USB audio devices when on AC

Status in linux package in Ubuntu:
  Confirmed
Status in tlp package in Ubuntu:
  New
Status in ubuntu-mate-settings package in Ubuntu:
  Fix Committed

Bug description:
  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.

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