Public bug reported:
Crackling sounds occur right after playback has been started.
Addtionally a very, very short part of the file/video is looped during
playback, but moves on after a few moments and starts to loop the new
part. When the mouse is moved, looping does not occur.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
Uname: Linux 3.13.0-30-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mordrak 1744 F.... pulseaudio
CurrentDesktop: GNOME
Date: Sat Jul 5 19:02:34 2014
InstallationDate: Installed on 2014-07-02 (3 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release amd64
(20140416.2)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Internes Audio - HDA Intel
Symptom_Jack: Green Line Out, Rear
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [MS-7924, Realtek ALC892, Green Line Out, Rear] Underruns, dropouts or
crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/29/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V2.1
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H97M-G43(MS-7924)
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.:bvrV2.1:bd04/29/2014:svnMSI:pnMS-7924:pvr1.0:rvnMSI:rnH97M-G43(MS-7924):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.name: MS-7924
dmi.product.version: 1.0
dmi.sys.vendor: MSI
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2014-07-05T18:40:34.352319
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1338137
Title:
[MS-7924, Realtek ALC892, Green Line Out, Rear] Underruns, dropouts or
crackling sound
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