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[Bug 635181] Re: High load average on Lucid for nominal/idle system use

 

Chris, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/635181/comments/7
regarding you requesting this be closed. For future reference you can
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** This bug is no longer a duplicate of bug 683013
   High load averages on Lucid while idling [#574910 via ubuntu-bug]

** Changed in: linux (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/635181

Title:
  High load average on Lucid for nominal/idle system use

Status in “linux” package in Ubuntu:
  Invalid

Bug description:
  This is a VBox guest.  It has been updated to the latest kernel.

  Doing an rsync of a folder containing a large amount of data in sub
  folders to an NFS mounted devices.   the load average will rise to +6
  and render the console frozen.  Trying to login to the guest via ssh
  will wait for 10 min before the tcp session times out.  Rebooting and
  Trying again the system did not freeze, but the load average stays
  high.  Observations of iftop, iotop and top show no process is taking
  the system resources (zero io on iftop and iotop).  could not Ctrl-C
  out of rsync.  Forced to kill rsync pid.

  Similar load average comes from doing intra vdi copies of large files.
  Doing a DD of /dev/zero from the virtual system to a USB mounted
  devices also causes the issue above.

  Parent OS is also lucid with latest patches.  Moving large files from
  one device to another causes similar load average.  Identical
  response.

  After the #42 kernel load averages went from 50 to 5 but lack of
  usability still remains.  Though the load average numbers are more
  realistic, the issue of load averages climbing to high numbers for
  what should be a modest request seems unreasonable.

  Likewise when "idle" the systems exhibit load averages above 0.50 when
  only a terminal is open on them.  (all VMs shutdown, no browser, etc
  active).

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: linux-image-2.6.32-24-generic 2.6.32-24.42
  Regression: Yes
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.32-24.42-generic 2.6.32.15+drm33.5
  Uname: Linux 2.6.32-24-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: I82801AAICH [Intel 82801AA-ICH], device 0: Intel ICH [Intel 82801AA-ICH]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  oc010000   1399 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'I82801AAICH'/'Intel 82801AA-ICH with STAC9700,83,84 at irq 21'
     Mixer name	: 'SigmaTel STAC9700,83,84'
     Components	: 'AC97a:83847600'
     Controls      : 34
     Simple ctrls  : 24
  Date: Fri Sep 10 12:42:38 2010
  HibernationDevice: RESUME=UUID=9a57a528-17c6-4d64-ad60-955cefbb142e
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
   
   eth1      no wireless extensions.
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: innotek GmbH VirtualBox
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=86816374-789f-498d-ba54-99093a90f759 ro quiet splash
  ProcEnviron:
   LC_TIME=en_DK.utf8
   PATH=(custom, user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.34.1
  RfKill:
   
  SourcePackage: linux
  dmi.bios.date: 12/01/2006
  dmi.bios.vendor: innotek GmbH
  dmi.bios.version: VirtualBox
  dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:
  dmi.product.name: VirtualBox
  dmi.product.version: 1.2
  dmi.sys.vendor: innotek GmbH

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