Public bug reported:
There is no sound but hissing and choppy audio
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
Uname: Linux 3.5.0-030500-generic i686
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: linuxserver 4175 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Generic'/'HD-Audio Generic at 0xfef40000 irq 16'
Mixer name : 'Realtek ALC887-VD'
Components : 'HDA:10ec0887,1462d697,00100302'
Controls : 44
Simple ctrls : 21
Date: Mon Nov 18 17:51:00 2013
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386
(20120817.3)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_PH:en
TERM=xterm
PATH=(custom, no user)
LANG=en_PH.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Generic failed
Symptom_Card: Built-in Audio - HD-Audio Generic
Symptom_Jack: Green Line Out, Rear
Symptom_Type: High background noise, or volume is too low
Title: [MS-7697, Realtek ALC887-VD, Green Line Out, Rear] Background noise or
low volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/24/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.3
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: A75MA-P35 (MS-7697)
dmi.board.vendor: MSI
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrV1.3:bd12/24/2011:svnMSI:pnMS-7697:pvr1.0:rvnMSI:rnA75MA-P35(MS-7697):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.name: MS-7697
dmi.product.version: 1.0
dmi.sys.vendor: MSI
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2013-11-13T11:47:55.120553
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise third-party-packages
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https://bugs.launchpad.net/bugs/1252212
Title:
[MS-7697, Realtek ALC887-VD, Green Line Out, Rear] Background noise or
low volume
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