Plasma 6 (Arch Linux) systemd shutdown stucks

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1

This does not happen every single time but it’s quite frequent.

This is a picture of my monitor at the point of stuck:

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17121604706741920×1440 312 KB

Useful Log (I’m worried about dbus-:1.2-org.kde.LogoutPrompt@0.service error):

Απρ 03 17:42:41 babaliaris dbus-broker-launch[511]: Activation request for 'org.freedesktop.home1' failed: The systemd unit 'dbus-org.freedesktop.home1.service' could not be found.
Απρ 03 17:42:41 babaliaris (systemd)[667]: pam_warn(systemd-user:setcred): function=[pam_sm_setcred] flags=0x8002 service=[systemd-user] terminal=[] user=[sddm] ruser=[<unknown>] rhost=[<unknown>]
Απρ 03 17:42:44 babaliaris dbus-broker-launch[511]: Activation request for 'org.freedesktop.resolve1' failed: The systemd unit 'dbus-org.freedesktop.resolve1.service' could not be found.
Απρ 03 17:42:50 babaliaris (systemd)[710]: pam_warn(systemd-user:setcred): function=[pam_sm_setcred] flags=0x8002 service=[systemd-user] terminal=[] user=[babaliaris] ruser=[<unknown>] rhost=[<unknown>]
Απρ 03 17:42:52 babaliaris dbus-broker-launch[511]: Activation request for 'org.freedesktop.ModemManager1' failed: The systemd unit 'dbus-org.freedesktop.ModemManager1.service' could not be found.
Απρ 03 18:40:37 babaliaris systemd[710]: app-firefox-abbf661e3f354e87b175dd882b8012ac.scope: Consumed 56min 57.536s CPU time.
Απρ 03 19:06:29 babaliaris systemd-logind[526]: The system will power off now!
Απρ 03 19:06:29 babaliaris systemd-logind[526]: System is powering down.
Απρ 03 19:06:29 babaliaris systemd[710]: dbus-:1.2-org.kde.LogoutPrompt@0.service: Main process exited, code=exited, status=1/FAILURE
Απρ 03 19:06:29 babaliaris systemd[710]: dbus-:1.2-org.kde.LogoutPrompt@0.service: Failed with result 'exit-code'.
Απρ 03 19:06:29 babaliaris systemd[1]: Requested transaction contradicts existing jobs: Transaction for systemd-logind.service/start is destructive (dbus.socket has 'stop' job queued, but 'start' is included in transaction).
Απρ 03 19:06:29 babaliaris systemd[710]: app.slice: Consumed 57min 3.649s CPU time, 1.6M memory peak, 0B memory swap peak.
Απρ 03 19:06:29 babaliaris systemd[1]: user@1000.service: Consumed 1h 3min 13.228s CPU time.
Απρ 03 19:06:29 babaliaris systemd[1]: user-1000.slice: Consumed 1h 3min 13.397s CPU time.
Απρ 03 19:06:30 babaliaris systemd[1]: user.slice: Consumed 1h 3min 13.921s CPU time.
Απρ 03 19:06:30 babaliaris systemd[1]: Shutting down.

I have the latest kernel.

Any suggestions?

Thanks!

2

I don’t see anything related to KDE. I would ask in https://bbs.archlinux.org

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3

It’s a bug introduced in kernel 6.6.23/6.8.2. Afaik it should be fixed in 6.6.24/6.8.3, have you updated yet?

The arch forum has a few threads about it, check the ones titled with Bluetooth and 6.8.

4

The current Arch kernel is at 6.8.2, there are no updates for 6.8.3. Probably in the future?

5

I have an open thread in the arch forum. I thought this was likely a Plasma 6 bug because it appeared almost as soon as I updated and switched to Wayland. Thanks for the info!

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6

Oh, I’m not on the kernels Arch provides, I assumed they got updated, my bad. We are at 6.6.25 and 6.8.4 now, eventually it should happen.

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