GPU hanging(?) with latest mesa packages

[Peter Lemenkov]

Hello!

2011/3/30 Ian Pilcher <arequipeno at gmail.com>:
> I just tried the new mesa* packages in Fedora 15 updates-testing on my
> Sandy Bridge (Core i7 2600) system, and the results were not pretty.
> X was completely unusable, with both of my screens "flashing" solid
> black every few seconds.

I encountered similar issue. See this bugreport:

https://bugzilla.redhat.com/show_bug.cgi?id=684097

In my case I just downgraded to older kernel.

-- 
With best regards, Peter Lemenkov.