Xorg/Radeon spontaneous blanking issues in F11?

[Dawid Zamirski]

On Wed, 2009-07-29 at 05:04 +0200, Dennis J. wrote:
> Hi,
> Occasionally the screen gets disabled for no reason at all on my F11 
> system. This occurs even with the screensaver completely disabled and even 
> after I typed something 5 seconds before. The screen suddenly goes black 
> and as soon as I press a key it comes back to life again.
> 
> The only possible hint I found in the Xorg logfile is this though since 
> Xorg doesn't put timestamps in front of it's log entries I'm not 100% when 
> these entries where made and if they have anything to do with this:
> 
> Blank CRTC 0 success
> Disable CRTC 0 success
> Disable CRTC memreq 0 success
> Enable CRTC memreq 0 success
> Enable CRTC 0 success
> Unblank CRTC 0 success
> (II) RADEON(0): DIG0 transmitter: Coherent Mode enabled
> Output DIG0 transmitter setup success
> 
> Anyone else seeing this?
> 
> Regards,
>    Dennis
> 

Yes, I'm experiencing the same issue (on the integrated AMD/ATI 790GX
chip)- the screen goes blank even when I'm moving the mouse while web
browsing or writing an e-mail. It does not happen very often for me
though, so I didn't bother yet to try to find reproducible steps for a
bug report.