Firmware Bug]: TSC_DEADLINE disabled due to Errata; please update microcode to version: 0x22 (or later)
[ 3.271907] Device 'efifb.0' does not have a release() function, it is broken and must be fixed.
[ 4.485038] i8042: No controller found
出现此问题：
字符模式console usb串口安装centos
U盘安装镜像路径也是需要指定的，本文来自/dev/sda4 U盘
进入BIOS页面：
setparams 'Install CentOS 7'
linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:/dev/sda4 console=tty0 console=ttyS0,115200
initrdefi /images/pxeboot/initrd.img
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