Comment 53 for bug 1079440

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Hubert Hesse (hubx) wrote : Re: i945: Random complete freeze using dual monitors

With 12.10 I can confirm the multi monitor setup problem.
With 13.04 (3.8.0-12 generic) this problem also occurs also without using a second monitor. Ctrl+Alt+F1 doesn't work. Via SSH I can see that Xorg uses up 99% of one CPU core. I don't see any relevant output in X.org.0.log or dmesg.

Keith's workaround `sudo taskset -pa 1 $(pgrep -x Xorg` fixes the issue temporarily.

I'm able to help with further logs or debugging.

lspci -vv: http://pastebin.com/jmz7mAcE