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Observation¶

grafana alerts about failed systemd services on https://stats.openqa-monitor.qa.suse.de/d/KToPYLEWz/failed-systemd-services

the specific failed alert:

 # systemctl --failed
  UNIT                         LOAD   ACTIVE SUB    DESCRIPTION                                               
● systemd-modules-load.service loaded failed failed Load Kernel Modules                                       

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. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.
grenache-1:/home/okurz # systemctl status systemd-modules-load.service
● systemd-modules-load.service - Load Kernel Modules
   Loaded: loaded (/usr/lib/systemd/system/systemd-modules-load.service; static; vendor preset: disabled)
   Active: failed (Result: exit-code) since Sun 2020-06-21 03:33:37 CEST; 1 day 10h ago
     Docs: man:systemd-modules-load.service(8)
           man:modules-load.d(5)
 Main PID: 1264 (code=exited, status=1/FAILURE)

Jun 21 03:33:37 grenache-1 systemd-modules-load[1264]: Failed to insert 'kvm_hv': No such device
Jun 21 03:33:37 grenache-1 systemd[1]: systemd-modules-load.service: Main process exited, code=exited, status=>
Jun 21 03:33:37 grenache-1 systemd[1]: Failed to start Load Kernel Modules.
Jun 21 03:33:37 grenache-1 systemd[1]: systemd-modules-load.service: Unit entered failed state.
Jun 21 03:33:37 grenache-1 systemd[1]: systemd-modules-load.service: Failed with result 'exit-code'.

due to

# cat /etc/modules-load.d/kvm.conf
kvm_hv

We need this module for kvm-on-power but not on grenache-1 which is not running any kvm tests.