** Changed in: alsa-driver (Ubuntu)
Assignee: (unassigned) => Andrii (comachada)
** Changed in: alsa-driver (Ubuntu)
Status: New => In Progress
** Changed in: alsa-driver (Ubuntu)
Status: In Progress => Invalid
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https://bugs.launchpad.net/bugs/1698541
Title:
[MacBookAir4,2, Cirrus Logic CS4206, Green Headphone Out, UNKNOWN]
Underruns, dropouts or crackling sound
Status in alsa-driver package in Ubuntu:
Invalid
Bug description:
I use next version of ubuntu x86_64
Description: Ubuntu 16.04.2 LTS
Release: 16.04
kernel 4.2.8-040208-lowlatency
alsa-base 1.0.25+dfsg-0ubuntu5
alsa-utils 1.1.0-0ubuntu5
gstreamer1.0-alsa:amd64 1.8.3-1ubuntu0.2
Sound from speakers works fine (tested on wav and mp3 files). Problem
appears when I plug headphones, I hear audio crackling and noises
during sound play. But when I tried listen to music from flash player
(like youtube , online radio ...) sound works good without any
problems in headphones.
I tried to add different options in /etc/modprobe.d/alsa-base.conf and
changing configuration /etc/pulse/default.pa, but it didn't help.
Also I loaded ubuntu with kernels 4.8.0-54-generic, 4.8.0-53-generic
but it isn't solve the problem.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
Uname: Linux 4.2.8-040208-lowlatency x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ash 1911 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Jun 17 15:21:52 2017
InstallationDate: Installed on 2017-06-05 (12 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.2)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Встроенное аудио - HDA Intel PCH
Symptom_Jack: Green Headphone Out, UNKNOWN
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [MacBookAir4,2, Cirrus Logic CS4206, Green Headphone Out, UNKNOWN]
Underruns, dropouts or crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/26/2015
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBA41.88Z.0077.B14.1510261805
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-742912EFDBEE19B3
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookAir4,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-742912EFDBEE19B3
dmi.modalias:
dmi:bvnAppleInc.:bvrMBA41.88Z.0077.B14.1510261805:bd10/26/2015:svnAppleInc.:pnMacBookAir4,2:pvr1.0:rvnAppleInc.:rnMac-742912EFDBEE19B3:rvrMacBookAir4,2:cvnAppleInc.:ct10:cvrMac-742912EFDBEE19B3:
dmi.product.name: MacBookAir4,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2017-06-17T15:11:50.985356
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