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[Daniel LaSalle <1937087@xxxxxxxxxxxxxxxxxx>]

apport information

** Attachment added: "ProcCpuinfoMinimal.txt"
   https://bugs.launchpad.net/bugs/1937087/+attachment/5519190/+files/ProcCpuinfoMinimal.txt

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https://bugs.launchpad.net/bugs/1937087

Title:
  21.04 - Sound issues (Analog Stereo Duplex VS Digital Stereo (HDMI)
  Output + analog stereo input)

Status in Ubuntu MATE:
  Invalid
Status in alsa-tools package in Ubuntu:
  Incomplete
Status in mate-control-center package in Ubuntu:
  Invalid
Status in pulseaudio package in Ubuntu:
  Incomplete

Bug description:
  Using 21.04-latest on a laptop that's main function is to listen to TV
  and watch videos.

  The laptop is constantly plugged via HDMI into a 65" LCD screen and
  our goal is to use the sound/speakers of the TV and not of the laptop.

  The problem is not only two folds but it's also random.

  After I did a full OS reinstall and left the settings to bare
  minimum(vanilla), I have selected a RANDOM screensaver as default
  alongside "Digital Stereo HDMI Output + analog Stereo Input" and when
  I play a video, sound works as expected. Also, there is no "UI
  defects" when selecting the hardware audio output (More on that
  "defect" later....).

  So all is well.

  If, for example, I leave the laptop idle and the(any? still not sure
  about that....) screensaver kicks in it will happen SOMETIMES that 1.
  the default hardware audio gets defaulted back to "Analog Stereo
  Duplex" (AKA the laptop speakers), the sound volume goes back to 100%
  (Because it doesn't make sense from a user's perspective when watching
  a movie that the sound only is set to 100%, it needs to be set to 160%
  or 200% for the experience to be good(note to self: maybe I should
  also open another bug/annoyance for that))

  Also, when restoring the session and that the volume went back to 100%
  and that the default hardware output felt back to analog stereo duplex
  ON TOP of that it seems there is a UI defect (look at the picture I
  will be posting after this).

  Hope this is clear.... If not, thanks for letting me know.

  xo
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu65.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  t           947 F.... pulseaudio
  CasperMD5CheckResult: unknown
  CurrentDesktop: MATE
  DistroRelease: Ubuntu 21.04
  InstallationDate: Installed on 2019-11-15 (643 days ago)
  InstallationMedia: Ubuntu-MATE 19.10 "Eoan Ermine" - Release amd64 (20191017)
  Package: pulseaudio 1:14.2-1ubuntu1.1
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 5.11.0-31.33-generic 5.11.22
  Tags:  hirsute
  Uname: Linux 5.11.0-31-generic x86_64
  UpgradeStatus: Upgraded to hirsute on 2021-05-28 (83 days ago)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 07/19/2017
  dmi.bios.release: 5.12
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 5.12
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: KU31
  dmi.board.vendor: Intel Corp.
  dmi.board.version: RVP7
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 9
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5.12:bd07/19/2017:br5.12:svnIntelCorporation:pnKabylakePlatform:pvr0.1:rvnIntelCorp.:rnKU31:rvrRVP7:cvnDefaultstring:ct9:cvrDefaultstring:
  dmi.product.family: Kabylake System
  dmi.product.name: Kabylake Platform
  dmi.product.sku: System SKUNumber
  dmi.product.version: 0.1
  dmi.sys.vendor: Intel Corporation

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