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[Kirils Solovjovs <969359@xxxxxxxxxxxxxxxxxx>]

** Please change the status of this bug to Confirmed

I can confirm that this is still happening in Utopic.

My story is same as Ritberg's.
After I connect via VNC to my vinagre daemon the io usage slowly (during approx 20 hours) climbs to 100% and the system proceeds to hang while excessively writing to disk. strace shows that dconf-service is writing /org/gnome/desktop/peripherals/keyboard/numlock-sate on and off all the time.

This might help to diagnose the bug:
Setting /org/gnome/desktop/peripherals/keyboard/remember-numlock-state to off immediately fixed this issue for me without any additional side effects. I recommend shipping default installations with this flag to off.
Please note that the device in question is Aspire V3-551G and the built-in keyboard does not have a num lock led.

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https://bugs.launchpad.net/bugs/969359

Title:
  [keyboard]: gnome-settings-daemon consumes 100% cpu (and blinking
  numlock)

Status in Gnome Settings Daemon:
  Fix Released
Status in gnome-settings-daemon package in Ubuntu:
  Fix Released
Status in gnome-settings-daemon source package in Precise:
  Fix Released
Status in gnome-settings-daemon source package in Quantal:
  Fix Released
Status in gnome-settings-daemon package in Fedora:
  Unknown

Bug description:
  Impact:
  gnome-settings-daemon uses 100% cpu for ever in some cases

  Test Case:
  Seems to happen sometimes after docking or connecting with vnc, try to connect to the machine using a vnc client a few times and check there is no numlock cycle and cpu usage loop starting

  Regression potential:
  The numlock state could be wrongly set,restored on login in some cases

  -----------------

  Original message:
  -----------------

  I don't know how to reproduce this bug, but after varying amounts of
  normal usage of my laptop, I notice gnome-settings-daemon is consuming
  100% (approx) CPU.

  I am not sure how to restart gnome-settings-daemon, I tried opening a
  terminal and running gnome-settings-daemon again but this crashes my
  system - my external monitor switches off and my laptop locks up. I am
  able to reboot with SysRq+REISUB.

  Sorry I cannot provide more information - it happens twice now, maybe
  someone can tell me how to get more information for the next time this
  happens.

  $ lsb_release -rd
  Description:	Ubuntu precise (development branch)
  Release:	12.04

  $ apt-cache policy gnome-settings-daemon
  gnome-settings-daemon:
    Installed: 3.4.0-0ubuntu2
    Candidate: 3.4.0-0ubuntu2
    Version table:
   *** 3.4.0-0ubuntu2 0
          500 http://gb.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: gnome-settings-daemon 3.4.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12
  Uname: Linux 3.2.0-20-generic x86_64
  ApportVersion: 1.95-0ubuntu1
  Architecture: amd64
  Date: Fri Mar 30 17:16:02 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: gnome-settings-daemon
  UpgradeStatus: No upgrade log present (probably fresh install)

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