Public bug reported:
Crackling sound usually occurs when Skype runs first thing Ubuntu boots
up. Also, I launch Skype manually.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: pulseaudio 1:1.1-0ubuntu15.3
ProcVersionSignature: Ubuntu 3.8.0-30.44~precise1-generic 3.8.13.6
Uname: Linux 3.8.0-30-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.8.0-30-generic.
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: nelsonpong 1850 F.... pulseaudio
/dev/snd/controlC1: nelsonpong 1850 F.... pulseaudio
/dev/snd/controlC0: nelsonpong 1850 F.... pulseaudio
/dev/snd/pcmC0D0c: nelsonpong 1850 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xfcff4000 irq 16'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,14627388,00100001'
Controls : 48
Simple ctrls : 20
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xfe9fc000 irq 19'
Mixer name : 'Nvidia GPU 18 HDMI/DP'
Components : 'HDA:10de0018,10de0101,00100100'
Controls : 28
Simple ctrls : 4
Card2.Amixer.info:
Card hw:2 'U0x46d0x8d7'/'USB Device 0x46d:0x8d7 at usb-0000:03:03.1-1, full
speed'
Mixer name : 'USB Mixer'
Components : 'USB046d:08d7'
Controls : 3
Simple ctrls : 2
Date: Thu Sep 12 21:09:06 2013
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: pulseaudio
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:SB successful
Symptom_Card: Built-in Audio - HDA ATI SB
Symptom_Jack: Green Line Out, Rear
Symptom_PulsePlaybackTest: PulseAudio playback test failed
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [MS-7388, Realtek ALC888, Green Line Out, Rear] Underruns, dropouts or
crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.11
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: MS-7388
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: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrV1.11:bd12/01/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7388:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7388:rvr1.0:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: MS-7388
dmi.product.version: 1.0
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
modified.conffile..etc.pulse.daemon.conf: [modified]
mtime.conffile..etc.pulse.daemon.conf: 2013-09-06T13:12:23
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise running-unity
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https://bugs.launchpad.net/bugs/1224749
Title:
[MS-7388, Realtek ALC888, Green Line Out, Rear] Underruns, dropouts or
crackling sound
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