其实我一直设置的uefi。。。但是还有遗漏的设置,和自带的救援冲突了。官方给我解决了。
> Enter the BIOS via DEL key. Now go to Network Stack and active it and disable
> IPv6. Within Boot you will find CSM. Disable it as well and save all changes. The
> server is now able to boot the Rescue-System and boot the OS in UEFI mode.