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
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/983812
Title:
lightdm every 10 minutes uses 50% of CPU causing video playback hang
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