[MS-7798, Realtek ALC887-VD, Green Line Out, Rear] Sound mute randomly

[faical117]

Sound gets muted randomly
ubuntu 13.04 64bit fresh install

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: faicel 2141 F.... pulseaudio
                      faicel 2658 F.... pulseaudio
Date: Sat Apr 27 11:37:53 2013
InstallationDate: Installed on 2013-04-26 (0 days ago)
InstallationMedia: This
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Green Line Out, Rear
Symptom_Type: Digital clip or distortion, or "overdriven" sound
Title: [MS-7798, Realtek ALC887-VD, Green Line Out, Rear] Sound is distorted
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/26/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.0
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: B75MA-P45 (MS-7798)
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.:bvrV1.0:bd03/26/2012:svnMSI:pnMS-7798:pvr1.0:rvnMSI:rnB75MA-P45(MS-7798):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.name: MS-7798
dmi.product.version: 1.0
dmi.sys.vendor: MSI

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for alsa-driver (Ubuntu) because there has been no activity for 60 days.]