Public bug reported:
I hear are crackling/popping sound from my speakers every now and then
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.11.0-18.32~precise1-generic 3.11.10.4
Uname: Linux 3.11.0-18-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k3.11.0-18-generic.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 1: PCH [HDA Intel PCH], device 0: ALC282 Analog [ALC282 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: hash 2080 F.... pulseaudio
/dev/snd/controlC1: hash 2080 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'MID'/'HDA Intel MID at 0xc2610000 irq 50'
Mixer name : 'Intel Haswell HDMI'
Components : 'HDA:80862807,80860101,00100000'
Controls : 21
Simple ctrls : 3
Card1.Amixer.info:
Card hw:1 'PCH'/'HDA Intel PCH at 0xc2614000 irq 48'
Mixer name : 'Realtek ALC282'
Components : 'HDA:10ec0282,17aa1000,00100003'
Controls : 29
Simple ctrls : 12
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
unknown'
Mixer name : 'ThinkPad EC (unknown)'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Tue Mar 18 01:02:18 2014
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64
(20140204)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_US:en
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [20216, Realtek ALC282, Speaker, Internal] Underruns, dropouts or
crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/18/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 74CN35WW(V1.10)
dmi.board.asset.tag: YB00666416
dmi.board.name: 20216
dmi.board.vendor: LENOVO
dmi.board.version: 31900003WIN8 STD MLT
dmi.chassis.asset.tag: YB00666416
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo IdeaPad Y410P
dmi.modalias:
dmi:bvnLENOVO:bvr74CN35WW(V1.10):bd07/18/2013:svnLENOVO:pn20216:pvrLenovoIdeaPadY410P:rvnLENOVO:rn20216:rvr31900003WIN8STDMLT:cvnLENOVO:ct10:cvrLenovoIdeaPadY410P:
dmi.product.name: 20216
dmi.product.version: Lenovo IdeaPad Y410P
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug audio precise
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https://bugs.launchpad.net/bugs/1293936
Title:
[20216, Realtek ALC282, Speaker, Internal] Underruns, dropouts or
crackling sound
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