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** Changed in: alsa-driver (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/978016

Title:
  Sound works from front headphone jacks, not from rear speaker jacks

Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  Upgraded to 11.10. Sound was working through headphones (plugged into
  front) and speakers (plugged into back) previously. After upgrade,
  only headphones will work.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: alsa-base 1.0.24+dfsg-0ubuntu2
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
  Uname: Linux 3.0.0-17-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  mikechurchward   2026 F.... pulseaudio
   /dev/snd/controlC0:  mikechurchward   2026 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf9ef4000 irq 66'
     Mixer name : 'Realtek ALC1200'
     Components : 'HDA:10ec0888,10250198,00100101'
     Controls      : 37
     Simple ctrls  : 22
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xfbdfc000 irq 24'
     Mixer name : 'Nvidia GPU 0a HDMI/DP'
     Components : 'HDA:10de000a,10de0101,00100100'
     Controls      : 16
     Simple ctrls  : 4
  Date: Tue Apr 10 08:54:25 2012
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel successful
  Symptom_Card: Internal Audio - HDA Intel
  Symptom_Jack: Black Line Out, Rear
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Only some of outputs are working
  Title: [Aspire M7720, Realtek ALC1200, Black Line Out, Rear] Playback problem
  UpgradeStatus: Upgraded to oneiric on 2012-03-21 (19 days ago)
  dmi.bios.date: 05/08/2009
  dmi.bios.vendor: AMI
  dmi.bios.version: R01-A3
  dmi.board.name: FX58M
  dmi.board.vendor: Acer
  dmi.chassis.type: 3
  dmi.chassis.vendor: Acer
  dmi.modalias: 
dmi:bvnAMI:bvrR01-A3:bd05/08/2009:svnAcer:pnAspireM7720:pvr:rvnAcer:rnFX58M:rvr:cvnAcer:ct3:cvr:
  dmi.product.name: Aspire M7720
  dmi.sys.vendor: Acer
  mtime.conffile..etc.modprobe.d.alsa.base.conf: 2012-03-22T15:11:49.382426

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