Public bug reported:
Today I just update (kernel update) my ubuntu 10.10, then my cpu has
anormal activity (1 core go to 100% every 5sec). All is lagging... near
unusable.
Top show me the process causing this is rtkit, kondemand or events.
Same problem when booting on previous kernel.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-28-generic 2.6.35-28.49
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-28.49-generic 2.6.35.11
Uname: Linux 2.6.35-28-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ledom 4286 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfe020000 irq 49'
Mixer name : 'Analog Devices AD1984'
Components : 'HDA:11d41984,17aa20d7,00100400'
Controls : 32
Simple ctrls : 20
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
7KHT22WW-1.06'
Mixer name : 'ThinkPad EC 7KHT22WW-1.06'
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: Sun Mar 20 16:31:14 2011
Frequency: I don't know.
HibernationDevice: RESUME=UUID=6bd104ff-124d-4533-ae0c-62acbc35a67a
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MachineType: LENOVO 765912G
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-28-generic
root=UUID=e269a4c8-f97a-4dd9-afaf-eb356d9c8d3e ro single
ProcEnviron:
LANG=fr_FR.UTF-8
SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38.4
SourcePackage: linux
dmi.bios.date: 08/22/2007
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LET51WW (1.21 )
dmi.board.name: 765912G
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:bvr7LET51WW(1.21):bd08/22/2007:svnLENOVO:pn765912G:pvrThinkPadT61:rvnLENOVO:rn765912G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 765912G
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: apport-bug i386 maverick needs-upstream-testing regression-update
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https://bugs.launchpad.net/bugs/738753
Title:
Anormal CPU activity (kondemand) since today Maverick update
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