Public bug reported:
Sound and webcam works perfectly. I cannot use the microphones of my
Laptop, however the line-in is working. This means when I play music on
my laptop and use line-in, I can record it. Using the microphone, sound-
recorder does even not start recording.
Everything is unmuted. It works fine with the Ubuntu Live CD. As soon as
I install Ubuntu I encounter this issue.
In order to fix the issue I had to add the below line into
/etc/modprobe.d/alsa-base.conf
options snd-hda-intel position_fix=1
Mic volume works correctly under sound recorder now
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
Uname: Linux 2.6.36-999-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: rwabel 1692 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xf2300000 irq 16'
Mixer name : 'Realtek ALC269'
Components : 'HDA:10ec0269,1025026f,00100004'
Controls : 17
Simple ctrls : 9
Card1.Amixer.info:
Card hw:1 'HDMI'/'HDA ATI HDMI at 0xf2210000 irq 19'
Mixer name : 'ATI RS690/780 HDMI'
Components : 'HDA:1002791a,00791a00,00100000'
Controls : 4
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Sat Dec 4 13:31:38 2010
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha i386 (20100725)
PackageArchitecture: all
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: alsa-driver
dmi.bios.date: 10/20/2009
dmi.bios.vendor: Acer
dmi.bios.version: V1.15
dmi.board.name: Aspire 5538
dmi.board.vendor: Acer
dmi.board.version: V1.15
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.15
dmi.modalias:
dmi:bvnAcer:bvrV1.15:bd10/20/2009:svnAcer:pnAspire5538:pvrV1.15:rvnAcer:rnAspire5538:rvrV1.15:cvnAcer:ct10:cvrV1.15:
dmi.product.name: Aspire 5538
dmi.product.version: V1.15
dmi.sys.vendor: Acer
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 maverick
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https://bugs.launchpad.net/bugs/685161
Title:
microphone not working on installed Ubuntu
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