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[GarrettSocling <garrettsocling@xxxxxxxxx>]

I can confirm that using QasMixer to adjust the configuration settings
fixes the incorrect default configuration.  It looks like Ubuntu
configuration ships by default to send audio on this sound card to the
front ports (if they exist), rather than the rear ports (that always
exist), and then does not provide a clear path to the relevant
configuration setting.  Installing QasMixer allows easy GUI access to
the necessary configuration settings.

This is just my intuition, but it appears to be a bug within the default
"Sound" panel under "Settings": the Input tab correctly lists both the
back and front panel microphones, but the Output tab only lists the back
panel speakers (which actually aren't the back panel speaker jacks, but
instead sends the audio to the front panel jack, as revealed by
QasMixer).  I may be entirely incorrect, perhaps it's a driver issue!

Hope that helps someone?  If I knew anything about programming, I'd take
things apart and look myself.   Since I don't, I figure I'd add as much
detail as I could imagine would be useful in order to help someone else
get up to speed on the issue.  If anyone has any questions or problems,
I've subscribed to this bug report and will (eventually) respond to
requests for more information.


** Attachment added: "QasMixer displaying the relevant settings"
   https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1385770/+attachment/4275520/+files/Screenshot%20from%202014-12-06%2019%3A54%3A42.png

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https://bugs.launchpad.net/bugs/1385770

Title:
  [CMI8786 - Xonar DG, playback] No sound at all

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  Since I upgraded to UBUNTU 14.10, I finally had to reinstall ubuntu for half actualiazción error, the computer has been moved. Appear either audio controls on the system configuration, but no sound.
  Found that:
  is using the sound card (Asus Xonar) and not the motherboard, so it appears in Sound settings.
  the speakers are on and in correct volumes.
  In windows (another partition) still works

  And the fact is that they do not try to touch or configuration.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
  Uname: Linux 3.16.0-23-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC0D0p:   rafa       1683 F...m pulseaudio
   /dev/snd/controlC0:  rafa       1683 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Oct 26 00:38:26 2014
  InstallationDate: Installed on 2014-10-24 (1 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=es
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=es_ES.UTF-8
   SHELL=/bin/bash
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:DG failed
  Symptom_Card: CMI8788 [Oxygen HD Audio] (CMI8786 (Xonar DG)) - Xonar DG
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC0D0p:   rafa       1683 F...m pulseaudio
   /dev/snd/controlC0:  rafa       1683 F.... pulseaudio
  Symptom_Type: No sound at all
  Title: [CMI8786 - Xonar DG, playback] No sound at all
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/16/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P1.50
  dmi.board.name: G41M-S3
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.50:bd05/16/2012:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnG41M-S3:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

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