journalctl messages that appear when system falls asleep:
dbus-broker[1462]: A security policy denied :1.1095 to send method call /org/freedesktop/login1/seat/seat0:org.freedesktop.login1.Seat.Inhibit to org.freedesktop.login1.
kwin_wayland[80706]: kwin_core: Failed to delay sleep: Sender is not authorized to send message
kded6[2662]: org.kde.pulseaudio: No object for name "alsa_output.pci-0000_04_00.0.hdmi-stereo"
plasmashell[80758]: org.kde.pulseaudio: No object for name "alsa_output.pci-0000_04_00.0.hdmi-stereo"
Bug appears to have affected Arch Linux users in the past [Resolved] display no longer goes to sleep during power saver / Applications & Desktop Environments / Arch Linux Forums
but mysteriously resolved itself for them.
Just in case it’s somehow relevant, I’m using an Intel Arc B580 for my GPU.
EDIT: also, this was on:
ostree-unverified-registry:ghcr.io/ublue-os/bazzite:stable
Digest: sha256:878c4561c9cbbc888202a7af48818117edfc7493c13fa788c0ca9b0c30858c5d
Version: 42.20250809 (2025-08-10T02:03:44Z)
and i have just updated to
● ostree-unverified-registry:ghcr.io/ublue-os/bazzite:stable
Digest: sha256:4c8836ba8cf7f2a2987054c12b81c03a209605b1ae1c9b6fb679c0c77ce5061b
Version: 42.20250817.1 (2025-08-18T06:15:33Z)
which might not have the bug! will have to see.
EDIT: I have the bug