Kārlis Repsons <k@11.lv> writes:

> On Monday 02 August 2010 11:33:14 Francisco Jerez wrote:
>> > But now I'm at the "next level of trouble": 
>> > 1. when two Xservers are running, after some minutes video output of the 
>> > primary card ceases (logging out restarts X and then it's back..), while
>> > the  second output is still ok;
>> 
>> Kernel and X logs after the crash would be helpful.
> I found them to be funnily short: in my kernel log there is this line:
> [drm] nouveau 0000:01:00.0: Setting dpms mode 1 on vga encoder (output 0)
>
> And yes it doesn't come back just by moving mouse.
> In xorg.conf there is /Option "DPMS" "off"/ for each monitor and also for each 
> server layout Blank, Standby, Suspend, Off *Time is set to "0"...
>
> $ cat Xorg.0.log | egrep "(DPMS|Dpms|dpms)"
> Aug  2 13:05:01 station 19180.806] (II) Loading extension DPMS
> Aug  2 13:05:01 station 19181.154] (II) NOUVEAU(0): DPMS capabilities: Off; 
> RGB/Color Display
>
> Now what should I do please?

Show us your full logs, please.