麒麟和openeuler系统在启动（虚拟化环境）时，都卡在了如下位置。
EFI stub: Booting Linux Kernel...
EFI stub: EFI_RNG_PROTOCOL unavailable, no randomness supplied
EFI stub: Using DTB from configuration table
EFI stub: Exiting boot services and installing virtual address map...
SetUefiImageMemoryAttributes - 0x000000043BE80000 - 0x0000000000040000 (0x0000000000000008)
SetUefiImageMemoryAttributes - 0x0000000438B10000 - 0x0000000000040000 (0x0000000000000008)
SetUefiImageMemoryAttributes - 0x0000000438A70000 - 0x0000000000040000 (0x0000000000000008)
SetUefiImageMemoryAttributes - 0x0000000438980000 - 0x0000000000040000 (0x0000000000000008)
SetUefiImageMemoryAttributes - 0x00000004388E0000 - 0x0000000000040000 (0x0000000000000008)
SetUefiImageMemoryAttributes - 0x0000000438840000 - 0x0000000000040000 (0x0000000000000008)
SetUefiImageMemoryAttributes - 0x00000004387A0000 - 0x0000000000040000 (0x0000000000000008)
这提示，很多情况都可能造成哦，所以，我只能问一下，你是什么情况这样的？
刚安装好系统重启这样？
修改了/etc/fstab 重启后这样？
还是？想知道你此前的状态。