← Back to team overview

kernel-packages team mailing list archive

[Bug 887793] Re: Kworker constantly taking about 100% CPU

 

** Attachment removed: "AcpiTables.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793/+attachment/2940443/+files/AcpiTables.txt

** Attachment removed: "BootDmesg.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793/+attachment/2940445/+files/BootDmesg.txt

** Attachment removed: "AlsaDevices.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793/+attachment/2940444/+files/AlsaDevices.txt

** Attachment removed: "Card0.Codecs.codec.0.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793/+attachment/2940446/+files/Card0.Codecs.codec.0.txt

** Attachment removed: "CurrentDmesg.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793/+attachment/2940447/+files/CurrentDmesg.txt

** Attachment removed: "Lspci.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793/+attachment/2940448/+files/Lspci.txt

** Attachment removed: "Lsusb.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793/+attachment/2940449/+files/Lsusb.txt

** Attachment removed: "PciMultimedia.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793/+attachment/2940450/+files/PciMultimedia.txt

** No longer affects: linux (Ubuntu)

** Summary changed:

- Kworker constantly taking about 100% CPU
+ [HP 6710b] Kworker constantly taking about 100% CPU

-- 
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/887793

Title:
  [HP 6710b] Kworker constantly taking about 100% CPU

Status in “linux” package in Ubuntu:
  Invalid

Bug description:
  I've this issue since the latest Ubuntu 11.10 version, all updates
  applied till today, and it's still there. Ubuntu 11.04 did not have
  this issue.

  If I run top there is a Kworker constantly taking much CPU, I don't
  know how to research where this comes from.

  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 i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  kp         1473 F.... pulseaudio
  CRDA: Error: [Errno 2] Bestand of map bestaat niet
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xe4404000 irq 46'
     Mixer name	: 'Analog Devices AD1981'
     Components	: 'HDA:11d41981,103c30c0,00100200 HDA:11c11040,103c1378,00100200'
     Controls      : 11
     Simple ctrls  : 9
  Date: Tue Nov  8 22:29:10 2011
  HibernationDevice: RESUME=UUID=ad8d4a18-9fe4-4246-ba44-85cf6b4dace5
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  MachineType: Hewlett-Packard HP Compaq 6710b (GB891ET#ABH)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=686d2155-83a9-4743-a2a4-8e9570ee3da6 ro quiet splash 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
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/15/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68DDU Ver. F.15
  dmi.board.name: 30C0
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 71.2E
  dmi.chassis.asset.tag: CNU72913PH
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68DDUVer.F.15:bd01/15/2009:svnHewlett-Packard:pnHPCompaq6710b(GB891ET#ABH):pvrF.15:rvnHewlett-Packard:rn30C0:rvrKBCVersion71.2E:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP Compaq 6710b (GB891ET#ABH)
  dmi.product.version: F.15
  dmi.sys.vendor: Hewlett-Packard

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793/+subscriptions