radeon vs radeonhd drivers

[Alex Deucher]

On Thu, Nov 13, 2008 at 7:54 AM, Simon Thum <simon.thum at gmx.de> wrote:
> Gene Heskett wrote:
>> But its not that simple either, cuz when running the radeon driver, I get
>> random screen blanking for 1-10 seconds at a time, and for a change it
>> doesn't seem to be tied to the time of day since its doing it right now and
>> it is 10 pm.
> I'm experiencing the exact same thing, but it doesn't happen on every
> Xorg session (about every third).
>
> It has been OK with the 6.8.0 version of the radeon driver, if it helps.

Please try the coherent_mode output attribute and see if that helps.
If not we may need to tweak the plls for your monitor.

Alex