[TriLUG] disabling screen blanking
Brian Henning
brian at strutmasters.com
Thu Oct 28 14:05:34 EDT 2004
I don't know about Debian in particular, but I can attest to John's claim
that it's not X that is messing with you. A text login would do the same
thing, and my guess is that it's an apm issue. Check your BIOS, and also
any apm software you may have running, for screen-blanking (or shut-off)
options.
Hope this isn't completely off-the-wall,
~Brian
----- Original Message -----
From: "john mitchell" <john280z at earthlink.net>
To: "Triangle Linux Users Group discussion list" <trilug at trilug.org>
Sent: Thursday, October 28, 2004 1:59 PM
Subject: Re: [TriLUG] disabling screen blanking
> Alan,
> I'm seeing the same problem in my Debian machine that does NOT have
> Xscreensaver running. I think it is in the basic OS, ie; if you were to
> not startx it would still blank - (can you try this?). I haven't had time
> to debug it yet - one of those 'round tuit' things.
> If you can try the non-X mode I will dig it out this weekend(?).
>
> john mitchell
>
> Alan Porter wrote:
>>
>> I am running a small embedded Linux system that I build
>> completely from source. It runs X11R6.7.0 (from x.org) on
>> a 640x480 LCD display.
>>
>> Thing is, I can't seem to turn off the screen blanker.
>>
>> When I start X, I issue the following three commands (in
>> xinitrc).
>>
>> /usr/X11R6/bin/xset s 0 0
>> /usr/X11R6/bin/xset s noblank
>> /usr/X11R6/bin/xset s off
>>
>> This is what xset says:
>>
>> # /usr/X11R6/bin/xset q
>> Keyboard Control:
>> auto repeat: on
>> key click percent: 0
>> LED mask: 00000000
>> auto repeat delay: 660
>> repeat rate: 25
>> auto repeating keys: 00ffffffdffffbbf
>> fadfffdfffdfe5ef
>> ffffffffffffffff
>> ffffffffffffffff
>> bell percent: 50
>> bell pitch: 400
>> bell duration: 100
>> Pointer Control:
>> acceleration: 2/1 threshold: 4
>> Screen Saver:
>> prefer blanking: no
>> allow exposures: yes
>> timeout: 0 cycle: 0
>> Colors:
>> default colormap: 0x20
>> BlackPixel: 0
>> WhitePixel: 65535
>> Font Path:
>> /usr/X11R6/lib/X11/fonts/misc,
>> /usr/X11R6/lib/X11/fonts/75dpi,
>> /usr/j2re1.4.2_05/lib/fonts/
>> DPMS (Energy Star):
>> Server does not have the DPMS Extension
>> Font cache:
>> Server does not have the FontCache Extension
>>
>> After twenty minutes of inactivity, the screen is blanked.
>> I can press a key or touch the touch screen and the display
>> returns to normal. As the display is coming back on, I
>> can see the X-windows screen saver for a split second. It
>> looks like a tricuit-weave background with a big X on it.
>>
>> We are not using a window manager or a desktop, so that's
>> not it.
>>
>> Before you suggest "use the source, Luke", I'd like to
>> avoid that if possible. It's much easier to maintain
>> the system without little source mods here and there.
>> However, if there are configuration options I can provide
>> to X11R6.7.0 before building, that would be OK.
>>
>> What am I missing? And why is it 20 minutes?
>>
>>
>> Alan
>>
>>
>>
>>
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