A monitor which is DPMS'd off is quickly removed then added again on wake

[fxzzi]

A weird one here, but was causing some issues with my bar.

When a monitor is dpms off'd (sleep 1; hyprctl dispatch dpms off DP-2), if woken up again within about a minute, the monitor would seamlessly wake up again.

However when waiting at least a few minutes before waking the monitor up again, Hyprland would quickly report the monitor as removed / disconnected, then added / reconnected again. I added logging to my ags bar, which said this when it occurred:

Gjs-Console-Message: 19:21:56.147: monitor removed: DP-2
Gjs-Console-Message: 19:21:58.266: monitor added: DP-2

this was on moving the mouse to wake. Hyprland indeed removed that monitor then added it again in quick succession when it was woken up from DPMS.

I'm running an NVIDIA gpu, is there any way this could be a GPU driver problem?

[fxzzi]

btw for context I'm tracking these monitor removed / added things by using the hyprland ipc events https://wiki.hypr.land/IPC/#events-list

It's weird that these are emitted because they aren't emitted through suspend cycles in some cases.

It's not just emitting the wrong event though, the monitor is actually removed and then added again, I can tell if I try to move my mouse between the boundaries of the monitors the monitor is actually gone for 2 seconds, before recovering

[Hardcor3UK]

I believe I'm seeing the same thing, i noticed after upgrading packages on my system to 0.54, workspaces are jumping to random ones rather than the one i was focused on.

Seen this thread today, so decided to watch socket2 with socat (don't know if theirs a better way literally took the command from the wiki and added -v) socat -v -U - UNIX-CONNECT:$XDG_RUNTIME_DIR/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock

< 2026/03/09 14:11:30.559147  length=65 from=160 to=224
createworkspace>>2
createworkspacev2>>2,2
monitoradded>>FALLBACK
createworkspace>>2
createworkspacev2>>2,2
monitoradded>>FALLBACK
< 2026/03/09 14:11:30.559240  length=29 from=225 to=253
monitoraddedv2>>-1,FALLBACK,
monitoraddedv2>>-1,FALLBACK,
< 2026/03/09 14:11:30.560647  length=48 from=254 to=301
focusedmon>>FALLBACK,2
focusedmonv2>>FALLBACK,2
focusedmon>>FALLBACK,2
focusedmonv2>>FALLBACK,2
< 2026/03/09 14:11:30.652527  length=82 from=302 to=383
monitorremoved>>DP-3
monitorremovedv2>>0,DP-3,LG Electronics 27GL850 912NTEPBE148
monitorremoved>>DP-3
monitorremovedv2>>0,DP-3,LG Electronics 27GL850 912NTEPBE148
< 2026/03/09 14:11:30.653696  length=26 from=384 to=409
closelayer>>notifications
closelayer>>notifications
< 2026/03/09 14:11:30.655810  length=22 from=410 to=431
closelayer>>hyprpaper
closelayer>>hyprpaper
< 2026/03/09 14:11:30.656096  length=19 from=432 to=450
closelayer>>waybar
closelayer>>waybar
< 2026/03/09 14:11:31.185054  length=141 from=451 to=591
createworkspace>>3
createworkspacev2>>3,3
moveworkspace>>10,DP-3
moveworkspacev2>>10,10,DP-3
moveworkspace>>9,DP-3
moveworkspacev2>>9,9,DP-3
createworkspace>>3
createworkspacev2>>3,3
moveworkspace>>10,DP-3
moveworkspacev2>>10,10,DP-3
moveworkspace>>9,DP-3
moveworkspacev2>>9,9,DP-3
< 2026/03/09 14:11:31.185390  length=170 from=592 to=761
moveworkspace>>1,DP-3
moveworkspacev2>>1,1,DP-3
destroyworkspace>>3
destroyworkspacev2>>3,3
monitoradded>>DP-3
monitoraddedv2>>0,DP-3,LG Electronics 27GL850 912NTEPBE148
moveworkspace>>1,DP-3
moveworkspacev2>>1,1,DP-3
destroyworkspace>>3
destroyworkspacev2>>3,3
monitoradded>>DP-3
monitoraddedv2>>0,DP-3,LG Electronics 27GL850 912NTEPBE148
< 2026/03/09 14:11:31.186377  length=72 from=762 to=833
createworkspace>>3
createworkspacev2>>3,3
workspace>>3
workspacev2>>3,3
createworkspace>>3
createworkspacev2>>3,3
workspace>>3
workspacev2>>3,3
< 2026/03/09 14:11:31.186549  length=188 from=834 to=1021
focusedmon>>DP-3,1
focusedmonv2>>DP-3,1
moveworkspace>>2,DP-3
moveworkspacev2>>2,2,DP-3
destroyworkspace>>3
destroyworkspacev2>>3,3
monitorremoved>>FALLBACK
monitorremovedv2>>-1,FALLBACK,
focusedmon>>DP-3,1
focusedmonv2>>DP-3,1
moveworkspace>>2,DP-3
moveworkspacev2>>2,2,DP-3
destroyworkspace>>3
destroyworkspacev2>>3,3
monitorremoved>>FALLBACK
monitorremovedv2>>-1,FALLBACK,

all happens during the period of the monitor waking (left all the other events for workspaces, layers, etc also), not sure if any of this is even useful

edit: just to add, i don't know if this was happening prior to Hyprland version 0.54 because i wasn't checking, but i did not have this weird workspace behaviour prior.

edit 2: i should also mention i'm on an AMD GPU

[fxzzi]

does this only happen after a prolonged DPMS? Or does this also happen if you DPMS and wake within about 30 seconds?

[Hardcor3UK]

yes at least longer than 1minute

[fxzzi]

edit 2: i should also mention i'm on an AMD GPU

i guess that helps since I'm on nvidia, originally thought this could've been a GPU driver issue

But yeah it's weird it only happens after a certain amount of time. I mean sometimes this whole monitor destroy / create cycle doesn't even happen through a suspend wake cycle. It does sometimes as well though

[Hardcor3UK]

i want to add this, i discovered this after downgrading from 0.55.3 to 0.55.2 (due to crash problem), this isn't just DPMS in my case, turning monitor off physically also causes this behaviour