[root@localhost ~]# uname -a
Linux localhost.localdomain 5.10.134-13_rc1.an8.aarch64 #1 SMP Mon Dec 5 19:08:09 CST 2022 aarch64 aarch64 aarch64 GNU/Linux
[root@localhost ~]# systemctl list-units --failed
  UNIT          LOAD   ACTIVE SUB    DESCRIPTION                 
● kdump.service loaded failed failed Crash recovery kernel arming

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'.
[root@localhost ~]# dmesg | grep -iE "error|call trace|failed|tainted"
[    8.725007] ipmi_msghandler: module verification failed: signature and/or required key missing - tainting kernel
[root@localhost ~]# cat /var/log/boot.log | grep -iE "error|call trace|failed|tainted"
[root@localhost ~]# cat /var/log/messages | grep -iE "error|call trace|failed|tainted"
Dec 12 18:13:32 localhost kernel: ipmi_msghandler: module verification failed: signature and/or required key missing - tainting kernel
Dec 12 18:13:53 localhost dbus-daemon[1752]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.resolve1.service': Unit dbus-org.freedesktop.resolve1.service not found.
Dec 12 18:13:56 localhost kdumpctl[1987]: kdump: Starting kdump: [FAILED]
Dec 12 18:13:56 localhost systemd[1]: kdump.service: Failed with result 'exit-code'.
Dec 12 18:13:56 localhost systemd[1]: Failed to start Crash recovery kernel arming.

