预置 Ubuntu / Debian 工作正常 - 系统可启动。
但fdisk -l结果如下：
Disk /dev/sda: 50 GiB, 53687091200 bytes, 104857600 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x000e157a
Device Boot Start End Sectors Size Id Type
/dev/sda1 63 192779 192717 94.1M 83 Linux
/dev/sda2 * 192780 1172744 979965 478.5M 83 Linux
/dev/sda3 1172745 96470324 95297580 45.5G 83 Linux …