Anyone else with hard freezes?

[Alan]

> Currently running Fedora 9 Release to date.  Doesn't happen very
> often, maybe once every 3-4 days.  Twice I've caught it at idle with
> the screen saver (picture viewer) frozen and twice while browsing in
> Gnome.
>
> Not really noticing anything weird in the logs?

I have had this happen with Fedora 8 on my x86_64 machine.  Nothing
recorded in the logs.  I have not had the time to debug it.

What kind of motherboard, video card and processor?  Maybe there is
something in common with my system.