Public bug reported:
Binary package hint: xorg
Occasionally, xorg will start spiking and using large amounts of CPU. A
solution is to do Ctrl-Alt-F1, which switches to a virtual terminal.
This seems to stop Xorg misbehaving, but also has another, strange
effect; it will switch back to the graphical environment instantly,
showing the terminal briefly. After doing this CPU usage drops to about
20%.
Something seems to correlate: these problems only started happening
after I added my second display, a 15" Dell monitor, connected to my
laptop's external VGA. My laptop's resolution is 1280x800, the second
display is running at 1024x768.
[EMAIL PROTECTED]:/$ uname -a
Linux minerva 2.6.27-7-generic #1 SMP Tue Nov 4 19:33:20 UTC 2008 i686 GNU/Linux
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
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xorg starts using 70%+ cpu randomly
https://bugs.launchpad.net/bugs/300413
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