Public bug reported:
With no sound playing, powertop reports "Audio codec hwC0D0: Conexant"
and "Audio codec hwC0D1: Conexant" drawing 1.64W of power each and being
used 100% of time both. All powertop suggestions have been followed.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-12-generic 3.0.0-12.20
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: laurynas 3548 F.... pulseaudio
/dev/snd/controlC0: laurynas 3548 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf2420000 irq 45'
Mixer name : 'Conexant CX20585'
Components : 'HDA:14f15069,17aa214c,00100302
HDA:14f12c06,17aa2122,00100000'
Controls : 8
Simple ctrls : 5
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xcdefc000 irq 17'
Mixer name : 'Nvidia GPU 0b HDMI/DP'
Components : 'HDA:10de000b,10de0101,00100200'
Controls : 16
Simple ctrls : 4
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
6IHT42WW-1.17'
Mixer name : 'ThinkPad EC 6IHT42WW-1.17'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Tue Oct 18 18:34:58 2011
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=32cc5650-fb08-427e-b09e-328a51f32549
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MachineType: LENOVO 2537CA0
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic
root=UUID=fc971aad-34b1-4f27-82aa-1a923cb63155 ro quiet splash pcie_aspm=force
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.0.0-12-generic N/A
linux-backports-modules-3.0.0-12-generic N/A
linux-firmware 1.60
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: Upgraded to oneiric on 2011-10-17 (0 days ago)
dmi.bios.date: 07/15/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 6IET79WW (1.39 )
dmi.board.name: 2537CA0
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr6IET79WW(1.39):bd07/15/2011:svnLENOVO:pn2537CA0:pvrThinkPadT410:rvnLENOVO:rn2537CA0:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2537CA0
dmi.product.version: ThinkPad T410
dmi.sys.vendor: LENOVO
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: laurynas 3548 F.... pulseaudio
/dev/snd/controlC0: laurynas 3548 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf2420000 irq 45'
Mixer name : 'Conexant CX20585'
Components : 'HDA:14f15069,17aa214c,00100302
HDA:14f12c06,17aa2122,00100000'
Controls : 8
Simple ctrls : 5
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xcdefc000 irq 17'
Mixer name : 'Nvidia GPU 0b HDMI/DP'
Components : 'HDA:10de000b,10de0101,00100200'
Controls : 16
Simple ctrls : 4
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
6IHT42WW-1.17'
Mixer name : 'ThinkPad EC 6IHT42WW-1.17'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
DistroRelease: Ubuntu 11.10
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
NonfreeKernelModules: nvidia
Package: alsa-base 1.0.24+dfsg-0ubuntu2
PackageArchitecture: all
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Tags: oneiric running-unity
Uname: Linux 3.0.0-12-generic x86_64
UpgradeStatus: Upgraded to oneiric on 2011-10-17 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers
dmi.bios.date: 07/15/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 6IET79WW (1.39 )
dmi.board.name: 2537CA0
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr6IET79WW(1.39):bd07/15/2011:svnLENOVO:pn2537CA0:pvrThinkPadT410:rvnLENOVO:rn2537CA0:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2537CA0
dmi.product.version: ThinkPad T410
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug apport-collected oneiric running-unity staging
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https://bugs.launchpad.net/bugs/877560
Title:
Audio codec draining power when not in use
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