Public bug reported:
Sometime in the past month or so this started happening on raring. Now
and then the fan on this netbook would kick into high gear for no
apparent reason, and often stay that way till I rebooted. Although top
doesn't show anything useful, powertop shows that the audio codec is
using 100% CPU (see attached screenshot).
At the moment I filed this bug, I had just booted and hadn't done much
yet, hadn't used any audio-using apps yet. Screenshot was taken just
before I did `ubuntu-bug linux`.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-1-generic 3.8.0-1.5
ProcVersionSignature: Ubuntu 3.8.0-1.5-generic 3.8.0-rc4
Uname: Linux 3.8.0-1-generic i686
ApportVersion: 2.8-0ubuntu2
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jderose 1568 F.... pulseaudio
Date: Sat Jan 26 07:41:57 2013
HibernationDevice: RESUME=UUID=4fc2d91b-b60e-4419-8b1c-54e151e1a42f
InstallationDate: Installed on 2012-12-11 (46 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha i386 (20121210)
MachineType: ASUSTeK Computer INC. 1005HA
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-1-generic
root=UUID=806924eb-3fde-4f0b-b575-ea249e0d4d81 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.8.0-1-generic N/A
linux-backports-modules-3.8.0-1-generic N/A
linux-firmware 1.99
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/18/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0601
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1005HA
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: x.x
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0601:bd06/18/2009:svnASUSTeKComputerINC.:pn1005HA:pvrx.x:rvnASUSTeKComputerINC.:rn1005HA:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
dmi.product.name: 1005HA
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 raring running-unity
** Attachment added: "Screenshot from 2013-01-26 07:41:12.png"
https://bugs.launchpad.net/bugs/1106079/+attachment/3501310/+files/Screenshot%20from%202013-01-26%2007%3A41%3A12.png
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https://bugs.launchpad.net/bugs/1106079
Title:
100% CPU usage: Audio codec hwC0D0: Realtek
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