Public bug reported:

Dear developer,

my previous os : windows xp

audio on xp:  working

operating systems used now:  dual boot between xp and ubuntu 12.04

problem: No sound at all
                     even at the start of ubuntu[it  behaves as if there is 
speakers connected to the cpu(physically)]

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
Uname: Linux 3.2.0-23-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu5
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  sandilya   1596 F.... pulseaudio
 /dev/snd/controlC1:  sandilya   1596 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfea78000 irq 44'
   Mixer name   : 'Realtek ALC888'
   Components   : 'HDA:10ec0888,14627529,00100202'
   Controls      : 39
   Simple ctrls  : 20
Card1.Amixer.info:
 Card hw:1 'CAMERA'/'ARKMICRO USB2.0 PC CAMERA at usb-0000:00:1d.7-1, high 
speed'
   Mixer name   : 'USB Mixer'
   Components   : 'USB18ec:3366'
   Controls      : 2
   Simple ctrls  : 1
CurrentDmesg:
 [   29.871131] ISO 9660 Extensions: Microsoft Joliet Level 3
 [   29.885438] ISOFS: changing to secondary root
 [   44.964688] type=1400 audit(1339749900.671:21): apparmor="DENIED" 
operation="open" parent=1 profile="/usr/lib/telepathy/mission-control-5" 
name="/usr/share/gvfs/remote-volume-monitors/" pid=1847 comm="mission-control" 
requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
Date: Fri Jun 15 14:29:01 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Built-in Audio - HDA Intel
Symptom_DevicesInUse:
 1596  1596  sandilya  F.... pulseaudio
 /dev/snd/controlC1:  sandilya  F.... pulseaudio
Symptom_Jack: Green Line Out, Rear
Symptom_Type: No sound at all
Title: [MS-7529, Realtek ALC888, Green Line Out, Rear] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/21/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V4.3
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: G31TM-P21 (MS-7529)
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.chassis.version: 1.0
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrV4.3:bd10/21/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7529:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rnG31TM-P21(MS-7529):rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0:
dmi.product.name: MS-7529
dmi.product.version: 1.0
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD

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


** Tags: apport-bug i386 precise

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https://bugs.launchpad.net/bugs/1013575

Title:
  [MS-7529, Realtek ALC888, Green Line Out, Rear] No sound at all

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