Hello,

I am rather new to xCAT, so this may be a stupid question (and if so apologies 
in advance). I checked the archives and was unable to find anything related, so 
now I’m writing here.

I am building a CentOS 7.7 stateless instance. When I deploy to a node, the 
node will boot but I am unable to log in as root from the console. I also added 
a user (via doing a chroot into rootimg and adding a user), but when I attempt 
to log in via said user on the console I get the error  “User not known to 
underlining authentication module”. When I check the logs I get the below logs.

Any help on this would be greatly appreciated.

Thank you!



Dec 12 17:21:00 cn1 systemd: INFO  Starting Update UTMP about System Runlevel 
Changes...

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

Dec 12 17:21:00 cn1 systemd: INFO  Started Update UTMP about System Runlevel 
Changes.

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

Dec 12 17:21:00 cn1 systemd: INFO  Startup finished in 4.923s (kernel) + 
31.755s (initrd) + 32min 58.284s (userspace) = 33min 34.963s.

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Failed to start message bus: Could not 
get UID and GID for username "dbus"

Dec 12 17:21:00 cn1 systemd: NOTICE  dbus.service: main process exited, 
code=exited, status=1/FAILURE

Dec 12 17:21:00 cn1 systemd: NOTICE  Unit dbus.service entered failed state.

Dec 12 17:21:00 cn1 systemd: WARNING  dbus.service failed.

Dec 12 17:21:00 cn1 systemd: INFO  Started D-Bus System Message Bus.

Dec 12 17:21:00 cn1 systemd: ERR  Failed to connect to system bus: Resource 
temporarily unavailable

Dec 12 17:21:00 cn1 systemd: ERR  Failed to initialize D-Bus connection: 
Resource temporarily unavailable

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Could not get password database 
information for UID of current process: User "???" unknown or no memory to 
allocate password entry

Dec 12 17:21:00 cn1 dbus-daemon: INFO  Unknown username "root" in message bus 
configuration file

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