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** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1019859
Title:
[Macmini1,1, SigmaTel STAC9221 A1, White Headphone Out, Rear] Clipping
on left headphone channel and internal speaker
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
After every boot there is distinct clipping/distortion on the left
headphone channel. If nothing is plugged into the headphone socket,
there is clipping/distortion on the internal speaker. The problem goes
away if the machine is rebooted, possibly several times in a row.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-26.41-generic-pae 3.2.19
Uname: Linux 3.2.0-26-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu8
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: andrzej 1566 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0x90440000 irq 43'
Mixer name : 'SigmaTel STAC9221 A1'
Components : 'HDA:83847680,106b0800,00103401'
Controls : 21
Simple ctrls : 10
CurrentDmesg:
[ 19.664968] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 30.288021] eth0: no IPv6 routers present
Date: Sun Jul 1 20:21:34 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386
(20120423)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_GB:en
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Built-in Audio - HDA Intel
Symptom_Jack: White Headphone Out, Rear
Symptom_Type: Digital clip or distortion, or "overdriven" sound
Title: [Macmini1,1, SigmaTel STAC9221 A1, White Headphone Out, Rear] Sound is
distorted
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/12/06
dmi.bios.vendor: Apple Computer, Inc.
dmi.bios.version: MM11.88Z.0055.B08.0610121326
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Mac-F4208EC8
dmi.board.vendor: Apple Computer, Inc.
dmi.board.version: PVT
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 4
dmi.chassis.vendor: Apple Computer, Inc.
dmi.chassis.version: Mac-F4208EC8
dmi.modalias:
dmi:bvnAppleComputer,Inc.:bvrMM11.88Z.0055.B08.0610121326:bd10/12/06:svnAppleComputer,Inc.:pnMacmini1,1:pvr1.0:rvnAppleComputer,Inc.:rnMac-F4208EC8:rvrPVT:cvnAppleComputer,Inc.:ct4:cvrMac-F4208EC8:
dmi.product.name: Macmini1,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Computer, Inc.
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