Public bug reported:
Since the update to 3.2.0-51-generic I have a very annoying problem with
audio playback:
1.) Volume jumps up and down randomly (even when all levels are 100% in
alsamixer)
2.) Even when external speakers are plugged in the audio jack, the NB speakers
are active
uname -a
Linux blackbox 3.2.0-51-generic #77-Ubuntu SMP Wed Jul 24 20:18:19 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
lsb_release -rd
Description: Ubuntu 12.04.2 LTS
Release: 12.04
Please let me know, what I can provide to help.
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: HDA Generic [HDA Generic]
Subdevices: 0/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: HDA Generic [HDA Generic]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dc 4852 F.... pulseaudio
/dev/snd/pcmC0D0p: dc 4852 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xc4400000 irq 44'
Mixer name : 'Intel ID 2805'
Components : 'HDA:10ec0269,10250623,00100100
HDA:80862805,10250623,00100000'
Controls : 5
Simple ctrls : 4
DistroRelease: Ubuntu 12.04
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MarkForUpload: True
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 3.2.0-51.77-generic 3.2.48
Tags: precise running-unity
Uname: Linux 3.2.0-51-generic x86_64
UpgradeStatus: Upgraded to precise on 2012-04-26 (471 days ago)
UserGroups: adm admin cdrom dialout lp lpadmin plugdev sambashare
dmi.bios.date: 09/29/2011
dmi.bios.vendor: INSYDE
dmi.bios.version: V1.06
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: HMA51_HR
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnINSYDE:bvrV1.06:bd09/29/2011:svnAcer:pnAspire5749:pvrV1.06:rvnAcer:rnHMA51_HR:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: Aspire 5749
dmi.product.version: V1.06
dmi.sys.vendor: Acer
modified.conffile..etc.modprobe.d.alsa.base.conf: [modified]
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2013-08-11T04:28:45.740402
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: HDA Generic [HDA Generic]
Subdevices: 0/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: HDA Generic [HDA Generic]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dc 4852 F.... pulseaudio
/dev/snd/pcmC0D0p: dc 4852 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xc4400000 irq 44'
Mixer name : 'Intel ID 2805'
Components : 'HDA:10ec0269,10250623,00100100
HDA:80862805,10250623,00100000'
Controls : 5
Simple ctrls : 4
DistroRelease: Ubuntu 12.04
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MarkForUpload: True
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 3.2.0-51.77-generic 3.2.48
Tags: precise running-unity
Uname: Linux 3.2.0-51-generic x86_64
UpgradeStatus: Upgraded to precise on 2012-04-26 (471 days ago)
UserGroups: adm admin cdrom dialout lp lpadmin plugdev sambashare
dmi.bios.date: 09/29/2011
dmi.bios.vendor: INSYDE
dmi.bios.version: V1.06
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: HMA51_HR
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnINSYDE:bvrV1.06:bd09/29/2011:svnAcer:pnAspire5749:pvrV1.06:rvnAcer:rnHMA51_HR:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: Aspire 5749
dmi.product.version: V1.06
dmi.sys.vendor: Acer
modified.conffile..etc.modprobe.d.alsa.base.conf: [modified]
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2013-08-11T04:28:45.740402
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: 12.04 apport-collected audio playback precise running-unity sound
** Tags added: apport-collected precise running-unity
** Description changed:
Since the update to 3.2.0-51-generic I have a very annoying problem with
audio playback:
1.) Volume jumps up and down randomly (even when all levels are 100% in
alsamixer)
2.) Even when external speakers are plugged in the audio jack, the NB
speakers are active
uname -a
Linux blackbox 3.2.0-51-generic #77-Ubuntu SMP Wed Jul 24 20:18:19 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
lsb_release -rd
Description: Ubuntu 12.04.2 LTS
Release: 12.04
Please let me know, what I can provide to help.
+ ---
+ AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
+ AplayDevices:
+ **** List of PLAYBACK Hardware Devices ****
+ card 0: PCH [HDA Intel PCH], device 0: HDA Generic [HDA Generic]
+ Subdevices: 0/1
+ Subdevice #0: subdevice #0
+ ApportVersion: 2.0.1-0ubuntu17.4
+ Architecture: amd64
+ ArecordDevices:
+ **** List of CAPTURE Hardware Devices ****
+ card 0: PCH [HDA Intel PCH], device 0: HDA Generic [HDA Generic]
+ Subdevices: 1/1
+ Subdevice #0: subdevice #0
+ AudioDevicesInUse:
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: dc 4852 F.... pulseaudio
+ /dev/snd/pcmC0D0p: dc 4852 F...m pulseaudio
+ Card0.Amixer.info:
+ Card hw:0 'PCH'/'HDA Intel PCH at 0xc4400000 irq 44'
+ Mixer name : 'Intel ID 2805'
+ Components : 'HDA:10ec0269,10250623,00100100
HDA:80862805,10250623,00100000'
+ Controls : 5
+ Simple ctrls : 4
+ DistroRelease: Ubuntu 12.04
+ InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
+ MarkForUpload: True
+ Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
+ PackageArchitecture: all
+ ProcEnviron:
+ TERM=xterm
+ PATH=(custom, no user)
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
+ ProcVersionSignature: Ubuntu 3.2.0-51.77-generic 3.2.48
+ Tags: precise running-unity
+ Uname: Linux 3.2.0-51-generic x86_64
+ UpgradeStatus: Upgraded to precise on 2012-04-26 (471 days ago)
+ UserGroups: adm admin cdrom dialout lp lpadmin plugdev sambashare
+ dmi.bios.date: 09/29/2011
+ dmi.bios.vendor: INSYDE
+ dmi.bios.version: V1.06
+ dmi.board.asset.tag: Base Board Asset Tag
+ dmi.board.name: HMA51_HR
+ dmi.board.vendor: Acer
+ dmi.board.version: Base Board Version
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: Chassis Manufacturer
+ dmi.chassis.version: Chassis Version
+ dmi.modalias:
dmi:bvnINSYDE:bvrV1.06:bd09/29/2011:svnAcer:pnAspire5749:pvrV1.06:rvnAcer:rnHMA51_HR:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
+ dmi.product.name: Aspire 5749
+ dmi.product.version: V1.06
+ dmi.sys.vendor: Acer
+ modified.conffile..etc.modprobe.d.alsa.base.conf: [modified]
+ mtime.conffile..etc.modprobe.d.alsa.base.conf: 2013-08-11T04:28:45.740402
--
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https://bugs.launchpad.net/bugs/1210976
Title:
sound volume fluctuates, NB speaker always on ... [12.04 LTS]
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