I have installed centos minimal version. I have disabled the nouveau and installed Nvidia driver before this issue. When I reboot the system, only one bar flash there.
Update the error show red in the journal is Dependency failed for Activation socket for spice guest agent daemon
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Starting MD Metadata Monitor on /dev/md127...
Nov 08 19:48:08 localhost.localdomain systemd[1]: Dependency failed for Activation socket for spice guest agent daemon.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Job spice-vdagentd.socket/start failed with result 'dependency'.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Activated swap /dev/mapper/centos-swap.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Reached target Swap.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Starting Swap.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Started MD Metadata Monitor on /dev/md127.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Starting LVM2 PV scan on device 259:3...
Nov 08 19:48:08 localhost.localdomain systemd[1]: Dependency failed for Activation socket for spice guest agent daemon.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Job spice-vdagentd.socket/start failed with result 'dependency'.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Found device /dev/mapper/centos-home.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Mounting /home...
Nov 08 19:48:08 localhost.localdomain systemd[1]: Started LVM2 PV scan on device 259:3.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Starting MD Metadata Monitor on /dev/md125...
Nov 08 19:48:08 localhost.localdomain systemd[1]: Started MD Metadata Monitor on /dev/md125.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Dependency failed for Activation socket for spice guest agent daemon.
Nov 08 19:48:08 localhost.localdomain systemd[1]: Job spice-vdagentd.socket/start failed with result 'dependency'.