*** This bug is a duplicate of bug 969359 ***
    https://bugs.launchpad.net/bugs/969359

> Backtrace for /usr/lib/gnome-settings-daemon/gnome-settings-daemon

hum, that stacktrace has no useful info, it seems to just be waiting in
poll() which it what it does when not busy

> Funny thing is that I wasn't able to attach to the process unless I
used sudo (although the process was owned by my user!!)

that's a security protection, ptrace can't be used by normal users

> Another funny thing is that after detaching (or maybe that happened
after attaching), the process stopped hogging the CPU.

weird

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https://bugs.launchpad.net/bugs/949878

Title:
  /usr/lib/gnome-settings-daemon/gnome-settings-daemon hogs CPU

Status in “gnome-settings-daemon” package in Ubuntu:
  New

Bug description:
  While I am on a GNOME Shell session, gnome-settings-daemon would start
  hogging the CPU (using 100% of a CPU core). This doesn't necessarily
  from the beginning of the session, rather it usually happens after an
  hour or so of the session.

  Note, I have been experiencing this problem since Oneiric, and still
  having this problem in Precise.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: gnome-settings-daemon 3.3.91-0ubuntu2
  ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9
  Uname: Linux 3.2.0-18-generic x86_64
  ApportVersion: 1.94.1-0ubuntu1
  Architecture: amd64
  Date: Thu Mar  8 14:07:22 2012
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426)
  SourcePackage: gnome-settings-daemon
  UpgradeStatus: Upgraded to precise on 2012-03-04 (3 days ago)

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