Can't Wake MX Linux Up

[Charlie Brown]

In the meantime, that it uses 144 Hz might be causing that ( maybe 50 - 60 would work).. whatever:

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  sudo nano /etc/pm/sleep.d/99-hdmi

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  #!/bin/bash
  
  PATH=/sbin:/usr/sbin:/bin:/usr/bin
  
  case "$1" in
    thaw|resume)
      xrandr --output HDMI-1 --off ; sleep 1 ; xrandr --output HDMI-1 --primary --mode 2560x1440 --rate 144
      ;;
  esac

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  sudo chmod +x /etc/pm/sleep.d/99-hdmi

Even no need to reboot. Suspend any way you like, then wake it up (any way / any kb you like)

[blumx]

I tried different Refresh rates (100 & 60) but didn't work.

Ran those commands but still unable to wake from suspend..

[Charlie Brown]

Sometimes first turning all of them off is required, so :

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sudo nano /etc/pm/sleep.d/99-hdmi

Just change "that line" to :

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xrandr --output DP-1 --off --output DP-2 --off --output DP-3 --off --output HDMI-1 --off ; sleep 2 ; xrandr --output HDMI-1 --primary --mode 2560x1440 --rate 144 --pos 0x0 --rotate normal

Save (Ctrl+S) , close (Ctrl+X)

Suspend ...

[blumx]

I changed that line but still not waking up the PC.

[Charlie Brown]

I just wonder what would happen if you try the Xfce release (regular MX or AHS). Just live session would be enough, no need to install.

If the other distro was also KDE I'd say ok, but the Xwayland + HDMI might be causing these.

Display: x11 server: X.Org v: 1.21.1.7 with: Xwayland v: 22.1.9

[blumx]

Tried Xfce but couldn't get the PC to Suspend, just a blank screen when it goes into Suspend and can't get back out of it.

[Charlie Brown]

What about after this?

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sudo apt purge xfce4-screensaver -y

( You ask why the screensaver etc? Long story :D )

[3nd]

i encountered same problem and stumbled on this thread...then tried something myself and found solution that works for me .
i'm on xfce desktop though...



all i did was toggle the display power manager to off. it lets the power manager handle display power instead of X11


hope it'll OP

[3nd]

ok i thought it worked but now back to same problem.
weird

[Charlie Brown]

The xfce4-screensaver (yes, sadly there ootb) is known to be causing such freezing issues (or black screen just with the pointer) since a long time (since MX-19 Beta). Get rid of it:

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sudo apt purge xfce4-screensaver -y

If you want something to lock the screen this will do it at one go:

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sudo apt purge xfce4-screensaver -y ; sudo apt update ; sudo apt install light-locker -y