I have recently been hit by the Gnome-49 nsswitch and display-manager-legacy.service → gdm.service problems, now resolved thanks to other threads here. Having been poking around looking for those problems, I found that I now have a failed service.
Before resolving the nsswitch problem and installing gdm-serviced, I don’t know if this service was working, but now it is not. I hate to see failed services that might bite me later. So:
farfalla:/home/dgersic # systemctl --failed
UNIT LOAD ACTIVE SUB DESCRIPTION
● measure-pcr-validator.service not-found failed failed measure-pcr-validator.service
Legend: LOAD → Reflects whether the unit definition was properly loaded.
ACTIVE → The high-level unit activation state, i.e. generalization of SUB.
SUB → The low-level unit activation state, values depend on unit type.
1 loaded units listed.
farfalla:/home/dgersic # systemctl status measure-pcr-validator.service
× measure-pcr-validator.service
Loaded: not-found (Reason: Unit measure-pcr-validator.service not found.)
Active: failed (Result: signal) since Fri 2025-10-10 11:21:23 CDT; 9min ago
Duration: 7.464s
Invocation: 7c0b5e2848f94aaeb928999953eba172
Main PID: 362 (code=exited, status=0/SUCCESS)
CPU: 19ms
Oct 10 11:21:06 farfalla.zaccaria-pinball.com systemd[1]: Starting Validate LUKS2 devices...
Oct 10 11:21:07 farfalla.zaccaria-pinball.com systemd[1]: Finished Validate LUKS2 devices.
Oct 10 11:21:14 farfalla.zaccaria-pinball.com systemd[1]: Stopping Validate LUKS2 devices...
journalctl shows:
Oct 10 11:21:25 farfalla.zaccaria-pinball.com systemd[1]: Detected architecture x86-64.
Oct 10 11:21:25 farfalla.zaccaria-pinball.com systemd[1]: bpf-restrict-fs: LSM BPF program attached
Oct 10 11:21:25 farfalla.zaccaria-pinball.com systemd[1]: /usr/lib/systemd/system/plymouth-start.service:15: Unit uses KillMode=none. This is unsafe,
as it disables systemd's process lifecycle management for the service. Please update the service to use a safer KillMode=, such as 'mixed' or 'control
-group'. Support for KillMode=none is deprecated and will eventually be removed.
Oct 10 11:21:25 farfalla.zaccaria-pinball.com systemd[1]: measure-pcr-validator.service: Control process exited, code=killed, status=15/TERM
Oct 10 11:21:25 farfalla.zaccaria-pinball.com systemd[1]: measure-pcr-validator.service: Failed with result 'signal'.
Oct 10 11:21:25 farfalla.zaccaria-pinball.com systemd[1]: Stopped measure-pcr-validator.service.
Oct 10 11:21:25 farfalla.zaccaria-pinball.com systemd[1]: initrd-switch-root.service: Deactivated successfully.
Searching hasn’t found any threads on this, so this could also be a new problem.
Suggestions?