[gentoo-user] dosbox overrides DPMS screen powersaving

[gentoo-user] dosbox overrides DPMS screen powersaving

[Walter Dnes]

  Some time ago, I posted that DPMS screen screen-shutoff mysteriously
stopped working, and later just as mysteriously started working again.
I've finally figured out the culprit by accident...  dosbox.  There are
various MS-DOS game archives on the internet with over 4 decades of very
entertaining games.  I use "dosbox" to run old stuff.

  If I'm in the middle of a game "level" and want to continue it later,
I can window-ize dosbox, {ALT}{PAUSE} to toggle execution off, and then
minimize the window.  Later on, I can bring up the window, {ALT}{PAUSE}
to toggle execution on, and maximize to fullscreen "text mode".

  The only problem is that DPMS screen powersaving does not work while
dosbox is running, or even suspended with {ALT}{PAUSE}.  This is not
specific to any one game.  Even a dosbox window at a command prompt
disables DPMS screen-off.  I've compared the output of "xset -q" with
and without dosbox running, and there's no difference.

  Has anyone else noticed this, or is it something weird with my config?

-- 
There are 2 types of people in this world
1) Those who can extrapolate from incomplete data

Re: [gentoo-user] dosbox overrides DPMS screen powersaving

[Lewis Handy]

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I've noticed this too, on other distros as well (mint being the main focus
as my daily driver) not put too much thought into it as it didn't affect me
too badly but would love to see a resolution to the issue

On Sat, 28 Dec 2024, 09:12 Walter Dnes, <waltdnes@waltdnes.org> wrote:

>   Some time ago, I posted that DPMS screen screen-shutoff mysteriously
> stopped working, and later just as mysteriously started working again.
> I've finally figured out the culprit by accident...  dosbox.  There are
> various MS-DOS game archives on the internet with over 4 decades of very
> entertaining games.  I use "dosbox" to run old stuff.
>
>   If I'm in the middle of a game "level" and want to continue it later,
> I can window-ize dosbox, {ALT}{PAUSE} to toggle execution off, and then
> minimize the window.  Later on, I can bring up the window, {ALT}{PAUSE}
> to toggle execution on, and maximize to fullscreen "text mode".
>
>   The only problem is that DPMS screen powersaving does not work while
> dosbox is running, or even suspended with {ALT}{PAUSE}.  This is not
> specific to any one game.  Even a dosbox window at a command prompt
> disables DPMS screen-off.  I've compared the output of "xset -q" with
> and without dosbox running, and there's no difference.
>
>   Has anyone else noticed this, or is it something weird with my config?
>
> --
> There are 2 types of people in this world
> 1) Those who can extrapolate from incomplete data
>
>

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