[SOLVED] Power Profile not working on Arch with KDE. Tried everything. (lemmy.ml)

submitted 1 week ago* (last edited 1 week ago) by spez@sh.itjust.works to c/linux@lemmy.ml

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My laptop does support this feature since it was working on Fedora KDE. But jumping over to arch, it seems not to work at all.

1. `power-profiles-daemon.service` is enabled and running.

● power-profiles-daemon.service - Power Profiles daemon
     Loaded: loaded (/usr/lib/systemd/system/power-profiles-daemon.service; enabled; preset: disabled)
     Active: active (running) since <time>; 12min ago
 Invocation: 4f20b3d144584a759b4a6c5ea14aa739
   Main PID: 608 (power-profiles-)
      Tasks: 4 (limit: 6850)
     Memory: 1.6M (peak: 2.8M)
        CPU: 81ms
     CGroup: /system.slice/power-profiles-daemon.service
             └─608 /usr/lib/power-profiles-daemon

Apr 18 11:14:52 berserk-arch systemd[1]: Starting Power Profiles daemon...
Apr 18 11:14:52 berserk-arch systemd[1]: Started Power Profiles daemon.

2. `plasma-powerdevil.service` is static and running.

● plasma-powerdevil.service - Powerdevil
     Loaded: loaded (/usr/lib/systemd/user/plasma-powerdevil.service; static)
     Active: active (running) since <time>; 12min ago
 Invocation: 7d72f24a0e5e4a74889a3895b91eb51c
   Main PID: 1074 (org_kde_powerde)
      Tasks: 9 (limit: 6850)
     Memory: 10.6M (peak: 11.4M)
        CPU: 1.391s
     CGroup: /user.slice/user-1000.slice/user@1000.service/background.slice/plasma-powerdevil.service
             └─1074 /usr/lib/org_kde_powerdevil

3. `upower.service` is enabled and running.

● upower.service - Daemon for power management
     Loaded: loaded (/usr/lib/systemd/system/upower.service; enabled; preset: disabled)
     Active: active (running) since <time>; 12min ago
 Invocation: 7aa43a43146346e383c961ce12cc9ded
       Docs: man:upowerd(8)
   Main PID: 540 (upowerd)
      Tasks: 4 (limit: 6850)
     Memory: 5.1M (peak: 5.9M)
        CPU: 251ms
     CGroup: /system.slice/upower.service
             └─540 /usr/lib/upowerd

I've already tried to to put

GRUB_CMDLINE_LINUX_DEFAULT="amd_pstate=active"

as a kernel argument that doesn't seem to do anything as well. I can't figure it out. The power management settings work tho. Any idea what's wrong? Thanks.

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[-] HexagonSun@sh.itjust.works 15 points 1 week ago

Installing tuned-ppd (I think I’ve got that right) fixes this for a lot of people

[-] spez@sh.itjust.works 17 points 1 week ago

Switching to tuneD worked! Thank you so much!

Here's what I did, from here. I've slightly modified the commands since that guide is from when tuneD was still on the AUR.

1. Uninstall power-profiles-daemon

sudo pacman -Rns power-profiles-daemon

2. Check that power-profiles-daemon.service is gone

systemctl status power-profiles-daemon

The output should be : Unit power-profiles-daemon.service could not be found.

3. Install tuneD:

sudo pacman -S tuned

4. Enable and start tuneD:

systemctl enable tuned
systemctl start tuned

5. Check that tuneD is running correctly:

● tuned.service - Dynamic System Tuning Daemon
     Loaded: loaded (/usr/lib/systemd/system/tuned.service; enabled; preset: disabled)
     Active: active (running) ....

6. Check the active profile:

tuned-adm active

Now, you can use tuned-adm to switch to profiles, but since I am using a DE, I won't be doing that. Now reboot and the power profile slider should be working!

[-] boredsquirrel@slrpnk.net 4 points 1 week ago

TuneD is really cool, but a weird fix for that problem.

The lack of TuneD is one of the few things keeping me on Fedora and away from NixOS

[-] spez@sh.itjust.works 2 points 1 week ago* (last edited 1 week ago)

After searching for it, I think it makes perfect sense since fedora people switched to TuneD in Fedora 41 and that's what I was running.

[-] boredsquirrel@slrpnk.net 1 points 1 week ago

Yes I use it too, and tuned-ppd is very restricted but ensures easy compatibility

[-] sandr44@lemmy.blahaj.zone 4 points 1 week ago

You could check if powerdevil is installed, also the applet won’t re-check if the requirements are fulfilled so you have to restart plasma and maybe even the whole PC

[-] spez@sh.itjust.works 4 points 1 week ago

You could check if powerdevil is installed, also the applet won’t re-check if the requirements are fulfilled so you have to restart plasma and maybe even the whole PC

Obviously powerdevil is installed, hence the service, unless I am getting something wrong. I have restarted multiple times.

[-] neon_nova@lemmy.dbzer0.com 3 points 1 week ago

Thanks for posting the update. I had a bunch of trouble with that when using arch on my thinkpad.

I later switched to Fedora with plasma as I could not get video acceleration to work in Firefox.

this post was submitted on 18 Apr 2025

51 points (94.7% liked)

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