The systemd OOM notification functionality of gnome-settings-daemon is broken on Debian. On Fedora, a notification is shown when a process is OOM-killed. On
Debian, it only works after applying the attached patch, which calls the Subscribe() method of org.freedesktop.systemd1.Manager. It's not clear to me why it works without the patch on Fedora.
I also created an issue and MR upstream, but upstream is waiting on a confirmation that the systemd behavior (not sending the PropertiesChanged signal unless Subscribe() was called) is expected.
Upstream issue: https://gitlab.gnome.org/GNOME/gnome-settings- daemon/-/issues/790
Upstream MR: https://gitlab.gnome.org/GNOME/gnome-settings- daemon/-/merge_requests/366
Are you still affected by this issue? I saw OOM notifications in both
Debian Testing and Ubuntu 25.04 yesterday.
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