You have been subscribed to a public bug:
When watching HD movie files, nautilus uses up an inordinate amount of
CPU and eventually "grays out" and becomes totally unresponsive, even if
mplayer (which never uses more than 2-4% of CPU, thanks to VDPAU) is
closed.
When I'm watching a 700 MB x264-encoded movie, CPU usage is about 70 %
for 20 seconds before it goes back down again. But when I'm watching a 7
GB x264-encoded movie, nautilus CPU usage goes up to 100% - and stays
there, whatever I do, untill I kill the process.
This reminds me of the symptoms we used to see back in Intrepid, I
think, when gvfs was being implemented. That's why I suspect that gvfs
may be the culprit here, as well.
1. Karmic - 9.10.
2. Nautilus: 1:2.27.4-0ubuntu6; gvfs: 1.3.4-0ubuntu1
3. Nothing much. Insignificant CPU usage, as with Jaunty (0 % on my desktop).
4. Nautilus CPU usage goes up to 100 % and stays there, eventually forcing me
to kill the process.
** Affects: nautilus (Ubuntu)
Importance: Undecided
Status: New
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Nautilus/gvfs uses up 100 % CPU and grays out when playing HD movie files
https://bugs.launchpad.net/bugs/417281
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