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Message #17622
[Bug 1213719] Re: [Samsung NP900X3D-A03IT] Powertop shows 100% Device Usage for audio codecs
luojie-dune, if you have a bug in Ubuntu, the Ubuntu Kernel team, Ubuntu Bug Control team, and Ubuntu Bug Squad would like you to please file a new report by executing the following in a terminal while booted into a Ubuntu repository kernel (not a mainline one) via:
ubuntu-bug linux
For more on this, please read the official Ubuntu documentation:
Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue
Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports
Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
When opening up the new report, please feel free to subscribe me to it.
Please note, not filing a new report would delay your problem being
addressed as quickly as possible.
No need exists to comment here at this time. After reading the above
documentation in it's entirety, if you have further questions, you are
welcome to redirect them to the appropriate mailing list or forum via
http://www.ubuntu.com/support/community/mailinglists , or you may
contact me directly.
Thank you for your understanding.
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1213719
Title:
[Samsung NP900X3D-A03IT] Powertop shows 100% Device Usage for audio
codecs
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
powertop reports that two audio codecs are both up 100% of the time,
even when no sound is playing.
100,0% Audio codec hwC0D0: Realtek
100,0% Audio codec hwC0D3: Intel
This happens on a Samsung Series 9 NP900X3D-A03IT.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.5.0-37-generic 3.5.0-37.58~precise1
ProcVersionSignature: Ubuntu 3.5.0-37.58~precise1-generic 3.5.7.16
Uname: Linux 3.5.0-37-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: gioele 1759 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf0700000 irq 50'
Mixer name : 'Intel PantherPoint HDMI'
Components : 'HDA:10ec0269,144dc0d3,00100202 HDA:80862806,80860101,00100000'
Controls : 25
Simple ctrls : 11
Date: Sun Aug 18 22:42:34 2013
HibernationDevice: RESUME=UUID=7e63a512-9a2c-4503-9bd9-ec2f74a7f029
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130504)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 900X3C/900X3D/900X3E/900X4C/900X4D
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-37-generic root=UUID=9d6c757c-fda7-49cb-9e7c-e382ebdc4d53 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.5.0-37-generic N/A
linux-backports-modules-3.5.0-37-generic N/A
linux-firmware 1.79.6
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/09/2013
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: P07ABK
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: NP900X3D-A03IT
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: FAB1
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP07ABK:bd04/09/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn900X3C/900X3D/900X3E/900X4C/900X4D:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP900X3D-A03IT:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
dmi.product.name: 900X3C/900X3D/900X3E/900X4C/900X4D
dmi.product.version: 0.1
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
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References