Screen Blanking in X

[Rajinder Yadav]

On Thu, Jul 30, 2009 at 3:40 PM, William O'Higgins
Witteman<william.ohiggins-H217xnMUJC0sA/PxXw9srA at public.gmane.org> wrote:
> On Thu, Jul 30, 2009 at 03:25:17PM -0400, Rajinder Yadav wrote:
>>On Wed, Jul 29, 2009 at 3:10 PM, Aviss,Tyler<tjaviss-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
>>> KDE/gnome both have their own powersaving stuff too, I had to override them
>>> for stuff on my systems. Maybe there?
>>>
>>> (sent from my phone, so please excuse the typos)
>>>
>>> On 29-Jul-09, at 9:59 AM, William O'Higgins Witteman
>>> <william.ohiggins-H217xnMUJC0sA/PxXw9srA at public.gmane.org> wrote:
>>>
>>>> I am trying to turn off the powersaving features of X, specifically
>>>> screen blanking, display powerdown etc.
>>>>
>>>> I do this because I turn off my monitor when I am not in front of it,
>>>> but when I turn it back on, I want it to come right back.  Also, when I
>>>> am watching something I don't want the screen to blank while I'm in the
>>>> middle.
>>>>
>>>> I started here:
>>>>
>>>> http://www.shallowsky.com/linux/x-screen-blanking.html
>>>>
>>>> and updated my xorg.conf with this:
>>>>
>>>>  Option      "BlankTime" "0"
>>>>  Option      "Standby" "0"
>>>>  Option      "Suspend" "0"
>>>>  Option      "OffTime" "0"
>>>>
>>>> Unfortunately, this is not doing the trick - it is still in a
>>>> screen-blanked state when I return to it later.  (Yes, I restarted X,
>>>> but good idea.)
>>>>
>>>> Does anyone know where else this might be set?  (Debian testing is the
>>>> distro.)  Thanks.
>
>>Doesn't the kernel take care of APM settings, is it not compiled in
>>and managed through your system settings as already mentioned?
>
> APM has gone by the wayside some time ago for most things.  As for
> "system settings", those only apply if you are running a desktop
> environment like KDE, Gnome or XFCE.  I use a plain window manager
> (Openbox) and there aren't any settings.  It looks like Lennart was on
> the right track by pointing out that I have 'Option "DPMS"' in my
> xorg.conf - once I set that to 'Option "DPMS" "FALSE"' and restart X, I
> seem to be in the clear.
>
> The way to test is to mess with my system clock, setting it forward a
> couple of hours, and seeing if the screen goes black.  I haven't done
> that yet, because the other running programs tend to get upset if you
> mess with the clock too often.
> --

As yes, I understand the question much better now, thanks!

> yours,
>
> William
>
>
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-- 
Kind Regards,
Rajinder Yadav
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