Public bug reported:

After upgrading from Ubuntu 14.04 to 16.04, I lost the sound of headset
on the front panel. However the back panel works well.

The sound cards I have:
 0 [HDMI           ]: HDA-Intel - HDA ATI HDMI
                      HDA ATI HDMI at 0xfeb44000 irq 42
 1 [Generic        ]: HDA-Intel - HD-Audio Generic
                      HD-Audio Generic at 0xfeb40000 irq 16

The output table in the 'SOUND' setting window:
Play sound through: Digital Output (S/PDIF)  Built-in Audio

In 'Test Sound' I can not hear anything.

I am sure that the 'Mute' box is unchecked.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  alfred     3740 F.... pulseaudio
 /dev/snd/controlC0:  alfred     3740 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Aug  9 16:41:23 2016
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Generic successful
Symptom_Card: Built-in Audio - HD-Audio Generic
Symptom_Jack: SPDIF Out, Internal
Symptom_PulsePlaybackTest: PulseAudio playback test failed
Symptom_Type: Only some of outputs are working
Title: [System Product Name, Realtek ALC892, SPDIF Out, Internal] Playback 
problem
UpgradeStatus: Upgraded to xenial on 2016-08-02 (6 days ago)
dmi.bios.date: 05/08/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 6104
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: F2A85-V PRO
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr6104:bd05/08/2013:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnF2A85-VPRO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug third-party-packages xenial

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1611286

Title:
  No sound on front panel after upgrading from Ubunt 14.04 to Ubuntu
  16.04

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  After upgrading from Ubuntu 14.04 to 16.04, I lost the sound of
  headset on the front panel. However the back panel works well.

  The sound cards I have:
   0 [HDMI           ]: HDA-Intel - HDA ATI HDMI
                        HDA ATI HDMI at 0xfeb44000 irq 42
   1 [Generic        ]: HDA-Intel - HD-Audio Generic
                        HD-Audio Generic at 0xfeb40000 irq 16

  The output table in the 'SOUND' setting window:
  Play sound through: Digital Output (S/PDIF)  Built-in Audio

  In 'Test Sound' I can not hear anything.

  I am sure that the 'Mute' box is unchecked.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu5
  ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
  Uname: Linux 4.4.0-34-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  alfred     3740 F.... pulseaudio
   /dev/snd/controlC0:  alfred     3740 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Aug  9 16:41:23 2016
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Generic successful
  Symptom_Card: Built-in Audio - HD-Audio Generic
  Symptom_Jack: SPDIF Out, Internal
  Symptom_PulsePlaybackTest: PulseAudio playback test failed
  Symptom_Type: Only some of outputs are working
  Title: [System Product Name, Realtek ALC892, SPDIF Out, Internal] Playback 
problem
  UpgradeStatus: Upgraded to xenial on 2016-08-02 (6 days ago)
  dmi.bios.date: 05/08/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 6104
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: F2A85-V PRO
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr6104:bd05/08/2013:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnF2A85-VPRO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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