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devel / comp.unix.bsd.freebsd.misc / blank idle system console

SubjectAuthor
* blank idle system consoleMike Scott
`* Re: blank idle system consoleChristian Weisgerber
 `* Re: blank idle system consoleMike Scott
  `- Re: blank idle system consoleMike Scott

1
blank idle system console

<tigp4s$34l0c$1@dont-email.me>

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From: usenet...@scottsonline.org.uk.invalid (Mike Scott)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: blank idle system console
Date: Sun, 16 Oct 2022 12:15:40 +0100
Organization: Scott family
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 by: Mike Scott - Sun, 16 Oct 2022 11:15 UTC

I can't find an answer to this one on the web.

I would like the system console to blank when idle (the usual state) to
allow the connected monitor to go into standby.

This is on a Pi4, and I see the console screen saver modules are not
built anyway on this platform, but the newer vt console driver doesn't
support them, and experiments on a virtual amd64 system have shown sc
has other issues.

I've tried running xdm in the faint hope that it might choose not to
burn holes in the screen, but it seems I'm out of luck. If there's a
configuration option, perhaps someone could let me know please, as I've
not found one?

The web shows that blanking the console seems to have been an issue for
a long time. I'm guessing there is no solution.

Thanks.

--
Mike Scott
Harlow, England

Re: blank idle system console

<slrntknvlh.64j.naddy@lorvorc.mips.inka.de>

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From: nad...@mips.inka.de (Christian Weisgerber)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: blank idle system console
Date: Sun, 16 Oct 2022 12:53:05 -0000 (UTC)
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 by: Christian Weisgerber - Sun, 16 Oct 2022 12:53 UTC

On 2022-10-16, Mike Scott <usenet.16@scottsonline.org.uk.invalid> wrote:

> This is on a Pi4, and I see the console screen saver modules are not
> built anyway on this platform, but the newer vt console driver doesn't
> support them, and experiments on a virtual amd64 system have shown sc
> has other issues.
>
> I've tried running xdm in the faint hope that it might choose not to
> burn holes in the screen, but it seems I'm out of luck.

The X11 server (as started by xdm) _should_ do this by default.
It certainly does here, and I have not explicitly configured it to
do so--but that's on amd64 with Intel graphics, so it may depend
on the video driver.

What does "xset q" report? Does it show a DPMS section?

....
DPMS (Energy Star):
Standby: 600 Suspend: 600 Off: 600
DPMS is Enabled
Monitor is On

--
Christian "naddy" Weisgerber naddy@mips.inka.de

Re: blank idle system console

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From: usenet...@scottsonline.org.uk.invalid (Mike Scott)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: blank idle system console
Date: Tue, 18 Oct 2022 07:44:41 +0100
Organization: Scott family
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 by: Mike Scott - Tue, 18 Oct 2022 06:44 UTC

On 16/10/2022 13:53, Christian Weisgerber wrote:
> On 2022-10-16, Mike Scott <usenet.16@scottsonline.org.uk.invalid> wrote:
>
>> This is on a Pi4, and I see the console screen saver modules are not
>> built anyway on this platform, but the newer vt console driver doesn't
>> support them, and experiments on a virtual amd64 system have shown sc
>> has other issues.
>>
>> I've tried running xdm in the faint hope that it might choose not to
>> burn holes in the screen, but it seems I'm out of luck.
>
> The X11 server (as started by xdm) _should_ do this by default.
> It certainly does here, and I have not explicitly configured it to
> do so--but that's on amd64 with Intel graphics, so it may depend
> on the video driver.
>
> What does "xset q" report? Does it show a DPMS section?
>
> ...
> DPMS (Energy Star):
> Standby: 600 Suspend: 600 Off: 600
> DPMS is Enabled
> Monitor is On
>

Useful thought, thank you.

But I find that Xorg.log says dpms is loaded and initialized, yet xset
-q says it's not available. Odd.

I've tried raspbian, which is fine: xset -q shows dpms active, and it
does appropriate things. So it's not a hardware issue (although I'm not
clear of the full import of the Pi4's documented lack of full support
for hdmi_blanking).

Hmmm. Anyone got this working on a Pi4? (fbsd 13.1, btw)

--
Mike Scott
Harlow, England

Re: blank idle system console

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From: usenet...@scottsonline.org.uk.invalid (Mike Scott)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: blank idle system console
Date: Wed, 19 Oct 2022 16:54:35 +0100
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In-Reply-To: <tili0p$3me4n$1@dont-email.me>
 by: Mike Scott - Wed, 19 Oct 2022 15:54 UTC

On 18/10/2022 07:44, Mike Scott wrote:
.....
>> What does "xset q" report?  Does it show a DPMS section?
>>
>> ...
>> DPMS (Energy Star):
>>    Standby: 600    Suspend: 600    Off: 600
>>    DPMS is Enabled
>>    Monitor is On
>>
>
> Useful thought, thank you.
>
> But I find that Xorg.log says dpms is loaded and initialized, yet xset
> -q says it's not available. Odd.
>
.....

I still can't make this work.

Xorg -configure runs through, finds scfb and modesetting drivers, says
it's "falling back to old probe method" for each in turn, then announces
"no devices to configure. Configuration failed".

Yet a simple 'startx' does start an X session. Although with the DPMS issue.

(As an a side - the Pi's config.txt needs disable_overscan set, or the
display resolution is reduced. I've been through the raspbian config.txt
to see if there's a clue why that should have DPMS work but fbsd not. No
luck.)

Anyone have a clue what going on please? Thanks.

--
Mike Scott
Harlow, England


devel / comp.unix.bsd.freebsd.misc / blank idle system console

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