every so often, my screen still goes black

Sat May 30 23:55:01 UTC 2009

On Sat, May 30, 2009 at 10:23:20PM +0200, Adam Pribyl wrote:
>> 00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express
>> Integrated Graphics Controller (rev 0a)
>>
>> I think the problem is not with the card drivers but something above it.
>
> For now, the gnome-power-manager is blamed for this. I have Radeon 9200  
> and also experienced this in last two days. I did not tried the new  
> g-p-m posted here in the list yet.

Yup:

https://bugzilla.redhat.com/show_bug.cgi?id=501601