我已经安装了centos最小版本。在这个问题之前我已经禁用了 nouveau 并安装了 Nvidia 驱动程序。当我重新启动系统时，只有一个栏闪烁。
更新日志中显示红色的错误是Dependency failed for Activation socket for spice guest agent daemon。
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'.
答案1
似乎是 blacklist.conf 中的错误，请尝试使用：
blacklist nouveau
通过 ssh（或其他 tty）登录并使用您选择的控制台编辑器（例如 emacs 或 vim）编辑文件 /etc/modprobe.d/blacklist.conf。