Public bug reported:
This computer is running Precise 64 bit upgraded from Oneiric 64 bit.
Sound was working fine until today 5/13/12
Updated with the latest updates and sound does not work.
Computer is dual boot with Win 7, in Win 7 the microphone works fine, so I do
not think it is a hardware problem
Tried following instructions using alsamixer, unmuted mic - but it
didn't help The maximum I get is a sort of hissing/white noise recorded
No idea why this has stopped working. Skype does not capture sound,
Sound recorder does not capture sound. Audacity does not capture
anything but a faint hiss.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: kibi 2146 F.... pulseaudio
kibi 12009 F.... gnome-alsamixer
/dev/snd/controlC0: kibi 2146 F.... pulseaudio
kibi 12009 f.... gnome-alsamixer
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xcc520000 irq 50'
Mixer name : 'Realtek ALC269VB'
Components : 'HDA:10ec0269,11790626,00100100'
Controls : 19
Simple ctrls : 11
Card1.Amixer.info:
Card hw:1 'Generic'/'HD-Audio Generic at 0xcc420000 irq 51'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
Controls : 6
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Sun May 13 21:48:13 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
2146 12009 2146 12009 kibi F.... pulseaudio
kibi F.... gnome-alsamixer
/dev/snd/controlC0: kibi F.... pulseaudio
kibi f.... gnome-alsamixer
Symptom_Jack: Mic, Internal
Symptom_Type: No sound at all
Title: [TECRA R850, Realtek ALC269VB, Mic, Internal] No sound at all
UpgradeStatus: Upgraded to precise on 2012-04-29 (14 days ago)
dmi.bios.date: 08/06/2011
dmi.bios.vendor: TOSHIBA
dmi.bios.version: Version 3.00
dmi.board.asset.tag: 0000000000
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Version A0
dmi.chassis.asset.tag: 0000000000
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: Version 1.0
dmi.modalias:
dmi:bvnTOSHIBA:bvrVersion3.00:bd08/06/2011:svnTOSHIBA:pnTECRAR850:pvrPT520E-00W012H2:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
dmi.product.name: TECRA R850
dmi.product.version: PT520E-00W012H2
dmi.sys.vendor: TOSHIBA
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/998862
Title:
[TECRA R850, Realtek ALC269VB, Mic, Internal] No sound captured at all
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