Public bug reported:
CPU usage is high (over 60%) on HP DV2 netbook which causes high temperature
and low battery life. CPU on this netbook is a AMD Athlon neo-mv40 (1.66 GHz).
This happens while CPU usage on windows 7 on the same laptop is fair (tested it
while using visual studio).
I now it's not because of graphic configuartion since I have the problem with
both compiz and metacity, and also graphic card is a ATI Radeon HD 3410 - which
seems to be more than what compiz needs. Also memory usage is low.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-29-generic 2.6.32-29.58
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-29.58-generic 2.6.32.28+drm33.13
Uname: Linux 2.6.32-29-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: sina 1595 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xf0300000 irq 16'
Mixer name : 'IDT 92HD75B2X5'
Components : 'HDA:111d7608,103c3055,00100202'
Controls : 13
Simple ctrls : 8
Card1.Amixer.info:
Card hw:1 'HDMI'/'HDA ATI HDMI at 0xbfeec000 irq 19'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100000'
Controls : 4
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Sun Mar 13 18:59:37 2011
HibernationDevice: RESUME=UUID=90d30e13-d814-42fd-b228-8c04a775cb2d
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
MachineType: Hewlett-Packard HP Pavilion dv2 Notebook PC
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-29-generic
root=UUID=65bbbd57-232e-4656-9f17-4fa09d650fd3 ro quiet splash
ProcEnviron:
PATH=(custom, user)
LANG=en_US.utf8
SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.34.4
SourcePackage: linux
dmi.bios.date: 10/07/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.27
dmi.board.name: 3055
dmi.board.vendor: Flextronics
dmi.board.version: 17.32
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Flextronics
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.27:bd10/07/2009:svnHewlett-Packard:pnHPPaviliondv2NotebookPC:pvrF.27:rvnFlextronics:rn3055:rvr17.32:cvnFlextronics:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv2 Notebook PC
dmi.product.version: F.27
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 kconfig lucid needs-upstream-testing ubuntu-une
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https://bugs.launchpad.net/bugs/734378
Title:
High CPU usage on AMD neo-mv40
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