Public bug reported:
Watching movies on VLC i noticed that every some minutes the video
hanged for some seconds. I found that a process called "/usr/bin/X :0
-auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background
none" was using every 10 minutes for some seconds 50% of CPU making my
weak CPU (atom N450) not capable to execute both processes together and
video hang for some seconds every time. together with this process,
another process called "xfce4-settings-helper" uses 10-15% of cpu. after
some seconds both are going to idle.
Xubuntu x64 12.04
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: lightdm 1.2.0-0ubuntu2
Uname: Linux 3.3.1-030301-generic x86_64
ApportVersion: 2.0.1-0ubuntu4
Architecture: amd64
Date: Tue Apr 17 13:13:12 2012
InstallationMedia: Xubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/983832
Title:
lightdm every 10 minutes uses 50% of CPU causing video playback hang
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