mactel-support team mailing list archive

[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

** Tags added: karmic

-- 
feedback coming from Macbook Pro speakers
https://bugs.launchpad.net/bugs/491425
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Status in Mactel Support: New
Status in “alsa-driver” package in Ubuntu: Incomplete

Bug description:
Hear a humming sound coming from laptop internal speakers.  When I change preferences on audio, the sound goes away for about 30 seconds, then returns.  Rather annoying.  Just installed ubuntu  9.10 on the bootcamp partitionm, macbook pro 2.2.

ProblemType: Bug
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ekuenzli   1794 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xd8400000 irq 22'
   Mixer name	: 'SigmaTel STAC9221 A1'
   Components	: 'HDA:83847680,106b1e00,00103401'
   Controls      : 20
   Simple ctrls  : 12
CheckboxCommand: alsa_record_playback
CheckboxDescription:
 Open the volume control application by right-clicking on the speaker icon in the panel and selecting "Sound Preferences".  Select the "Input" tab and choose any alternate (non-default) device(s).  Select the "Output" tab and choose any alternate (non-default) device(s).  When you are done, click the Test button, then speak into the microphone. After a few seconds, your speech will be played back to you.
 
 Did you hear your speech played back?
CheckboxTest: alsa_record_playback_alternates
Date: Wed Dec  2 10:24:40 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: alsa-base 1.0.20+dfsg-1ubuntu5
PackageArchitecture: all
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-15.50-generic-pae
SourcePackage: alsa-driver
Tags: checkbox-bug
Uname: Linux 2.6.31-15-generic-pae i686