VFS: Unable to mount root fs via NFS, trying floppy. VFS: Cannot open root device "nfs" or unknown-block(2,0): error -6 Please append a correct "root=" boot option; here are the available partitions: b300 1931264 mmcblk0 driver: mmcblk b301 1930240 mmcblk0p1 00000000-0000-0000-0000-000000000000 Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0) 【阅读全文】