lilo启动2.6的内核出错

songpure520

启动2.6的内核发生以下错误

md:Autodetecting RAID arrays
md:autorun ...
md:...autorun DONE
RAMDISK:Compressed image found at block 0
Kernel panic - not syncing:VFS:Unable to mount root fs on unknown-block(3,4)

这是我的lilo.conf

install=/boot/boot-bmp.b
prompt
timeout=70
lba32
default=2.6.16.53
read-only
root=/dev/hda4
bitmap=/boot/image.bmp
bmp-colors=13,,12;14,,12
bmp-table=100p348p,1,3,
bmp-timer=74,29,;11
append="ramdisk_size=8192 no-scroll panic=30"
image=/boot/vmlinuz-2.6.16.53
         initrd=/boot/initrd-2.6.16.53.gz
         label=2.6.16.53
image=/boot/vmlinuz-2.6.16.60
         initrd=/boot/initrd-2.6.16.60.gz
         label=2.6.16.60