[ 1.323131] VFS: Cannot open root device "(null)" or unknown-block(0,0): erro
r -6
[ 1.330767] Please append a correct "root=" boot option; here are the availab
le partitions:
[ 1.339148] Kernel panic - not syncing: VFS: Unable to mount root fs on unkno
wn-block(0,0)
出现了这个问题，请问是哪里不对？