Arch Linux

saronno

Member

Registered: 2009-10-02

Posts: 213

How could I find what put my monitors in power safe mode?

I usually have monitor power saving disabled. I use xfce, and is still disabled. But since the last update, something keep putting my display in power save mode.

TIA

mackin_cheese

Member

Registered: 2025-01-07

Posts: 119

Re: How could I find what put my monitors in power safe mode?

What research have you done so far regarding this issue?

saronno

Member

Registered: 2009-10-02

Posts: 213

Re: How could I find what put my monitors in power safe mode?

[saronno@kanon ~]$ xset q
Keyboard Control:
  auto repeat:  on    key click percent:  0    LED mask:  00000002
  XKB indicators:
    00: Caps Lock:   off    01: Num Lock:    on     02: Scroll Lock: off
    03: Compose:     off    04: Kana:        off    05: Sleep:       off
    06: Suspend:     off    07: Mute:        off    08: Misc:        off
    09: Mail:        off    10: Charging:    off    11: Shift Lock:  off
    12: Group 2:     off    13: Mouse Keys:  off
  auto repeat delay:  500    repeat rate:  22
  auto repeating keys:  00ffffffdffffbbf
                        fadfffefffedffff
                        9fffffffffffffff
                        fff7ffffffffffff
  bell percent:  50    bell pitch:  400    bell duration:  100
Pointer Control:
  acceleration:  2/1    threshold:  4
Screen Saver:
  prefer blanking:  yes    allow exposures:  yes
  timeout:  600    cycle:  600
Colors:
  default colormap:  0x20    BlackPixel:  0x0    WhitePixel:  0xffffff
Font Path:
  /usr/share/fonts/TTF,/usr/share/fonts/Type1,/usr/share/fonts/100dpi,/usr/share/fonts/75dpi,built-ins
DPMS (Display Power Management Signaling):
  Standby: 600    Suspend: 600    Off: 600
  DPMS is Disabled

Last edited by saronno (2025-01-16 19:35:32)

V1del

Forum Moderator

Registered: 2012-10-16

Posts: 23,830

Re: How could I find what put my monitors in power safe mode?

xfce has a bug where a default value got redefined in the latest release, you should be able to go into the settings and toggle between the modes you actually want to rewrite it correctly or else: https://bbs.archlinux.org/viewtopic.php … 9#p2220199

Your image links are broken, when fixing them please link them instead of embedding. ... And please don't link images of text, just paste the text, you can use  [code][/code] tags

Last edited by V1del (2025-01-16 19:29:57)

saronno

Member

Registered: 2009-10-02

Posts: 213

Re: How could I find what put my monitors in power safe mode?

xfce has a bug where a default value got redefined in the latest release, you should be able to go into the settings and toggle between the modes you actually want to rewrite it correctly or else: https://bbs.archlinux.org/viewtopic.php … 9#p2220199

Your image links are broken, when fixing them please link them instead of embedding. ... And please don't link images of text, just paste the text, you can use  [code][/code] tags

Ok, I'll correct the link above ... meanwhile ...

/xfce4-power-manager/blank-on-ac                        0
/xfce4-power-manager/brightness-switch                  0
/xfce4-power-manager/brightness-switch-restore-on-exit  -1
/xfce4-power-manager/dpms-enabled                       false
/xfce4-power-manager/dpms-on-ac-off                     0
/xfce4-power-manager/dpms-on-ac-sleep                   0
/xfce4-power-manager/inactivity-on-ac                   0
/xfce4-power-manager/lock-screen-suspend-hibernate      false

I play with "inactive for" in the system tab and now is zero. Let's see if this fix the issue.

saronno

Member

Registered: 2009-10-02

Posts: 213

Re: How could I find what put my monitors in power safe mode?

still nothing ....  DPMS looks disabled but monitor goes to powersafe mode after some minutes ...

seth

Member

Registered: 2012-09-03

Posts: 60,740

Re: How could I find what put my monitors in power safe mode?

Clients can trigger dpms whenever they want, "xset dpms force off"
You've the screensaver at a 10m timeout?
Does the same happen in a non-xfce session?

If you want to completely avoid DPMS from ever happening, block the module - https://wiki.archlinux.org/title/Displa … aling#Xorg

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saronno

Member

Registered: 2009-10-02

Posts: 213

Re: How could I find what put my monitors in power safe mode?

Clients can trigger dpms whenever they want, "xset dpms force off"
You've the screensaver at a 10m timeout?
Does the same happen in a non-xfce session?

If you want to completely avoid DPMS from ever happening, block the module - https://wiki.archlinux.org/title/Displa … aling#Xorg

No screensaver. Is there a way to find which clients does this?

seth

Member

Registered: 2012-09-03

Posts: 60,740

Re: How could I find what put my monitors in power safe mode?

The screensaver timout is still active?

xset s off off

You'd probably have to run X11 over tcp and wireshark it to see where this is coming from.
Sure it's not just https://archlinux.org/packages/extra/x8 … reensaver/ ?

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saronno

Member

Registered: 2009-10-02

Posts: 213

Re: How could I find what put my monitors in power safe mode?

The screensaver timout is still active?

xset s off off

You'd probably have to run X11 over tcp and wireshark it to see where this is coming from.
Sure it's not just https://archlinux.org/packages/extra/x8 … reensaver/ ?

It's not even installed.

What about the nvidia driver? (proprietary).

Last edited by saronno (2025-01-20 14:28:07)

seth

Member

Registered: 2012-09-03

Posts: 60,740

Re: How could I find what put my monitors in power safe mode?

No driver will trigger DPMS by itself.
Have you tried to simply not load the DPMS extension and see whether that relates to your problem at all?
Have you tried to disable the server screensaver timeout?

As for the possible offenders, we could squint at

loginctl session-status

res.

ps fax

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V1del

Forum Moderator

Registered: 2012-10-16

Posts: 23,830

Re: How could I find what put my monitors in power safe mode?

If they register with systemd,

systemd-inhibit --list

might help as well.