[U-Boot-Users] problem about mounting rootfs

[liuyong]

these u-boot infomation
=> imi
## Checking Image at 0c000000 ...
   Image Name:   liuyong ramdisk
   Created:      2004-09-15   7:10:35 UTC
   Image Type:   PowerPC Linux RAMDisk Image (gzip compressed)
   Data Size:    475451 Bytes = 464.3 kB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
=> imi 400000
## Checking Image at 00400000 ...
   Image Name:   Linux-2.6.8
   Created:      2004-09-15   7:20:46 UTC
   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
   Data Size:    873273 Bytes = 852.8 kB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
=> bootm 400000
Kernel command line: console=ttyS0,115200n8 root=/dev/ram0 initrd=0xc000000,4m ip=off
................
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
................
Kernel panic: VFS: Unable to mount root fs on unknown-block(1,0) 
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what's wrong? 				

　　　　　　　　liuyong
　　　　　　　　ly at ncic.ac.cn
　　　　　　　　　　2004-09-15