Comment 2 for bug 491846

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Greg (ggbaker) wrote :

Stangely, the exact same symptoms have been happening for me after the upgrade from 12.04 to 13.04. Once in a while the same thing: new Firefox tab, loads for a second, and Gnome/X freezes. Mouse cursor moves, and processes seem to keep running.

I can still SSH into the box. Killing processes doesn't seem to bring down X and I have to reboot.

Almost nothing in our setup is the same: amd64, AMD video, 13.04, Firefox 22, kernel 3.8.0.