Bug#420756: xserver-xorg-video-ati: [ati/radeon] Freezes system if inactive

[Brice Goglin]

Christopher Roussel wrote:
> I have been having a problem that if I leave my system running idle for
> over 30 minutes (best guess), it hangs completely.  I have attempted to
> tracew it back and believe the problem may be with the Radeon Power
> Management trying to turn off my monitor.  When I return to the machine,
> it has a blank screen and will not wake up or allow me to switch to a
> console.  I've tried accessing it from other machines via ssh, but it
> does not respond.  It aslo does not respond to pings.  I have an ATI
> RV380 [Radeon X600] card and use the free ati driver for it.  Attached
> is my Xorg log.

Apart from what David said about DPMS, there's a new ATI driver in
experimental (1:6.6.191-1), you might want to try it.

By the way, do you know whether this bug happened before? Do you have
any idea what you upgraded at this point?

Brice