Xorg high cpu usage after upgrade to Fedora 11

[Steven Stern]

Fau wrote:
> Greetings,
> i've just upgraded my laptop from Fedora 10 to 11 using "preupgrade" script.
> The upgrade went fine, no problems at all, but now there is the process Xorg
> stucked at 20% of CPU and growing, the OS is really slow and even fluxbox
> is not responsive, not to mention Firefox or Thunderbird.
> I've got a SiS315 video adapter and up to Fedora 10 it always
> worked. I'm seding in attachment my /var/log/Xorg.0.log and
> /etc/X11/xorg.conf
> Thank you in andvance for any help,
> best regards,
> -
> Fabio
> 

FYI, I've run into something similar with the radeon and neauveau
drivers, so I think it's Xorg rather than the drivers.