我正在尝试通过 powerpc mpc8309twr 板上的 uboot 加载 jffs2 文件系统，同时解压它显示的内核映像
错误的 Ramdisk 映像格式
Ramdisk 映像已损坏或无效
我有 bootargs 和 bootcmd
bootargs=root=/dev/mtdblock4 rootfstype=jffs2 rw console=ttys0,115200
bootcmd=bootm fe100000 fe800000 fe0e0000
下面是我得到的情况
U-Boot 2010.06-00077-gd1e0776 (Dec 27 2011 - 19:51:03) MPC83XX
Reset Status:
CPU: e300c3, MPC8309E, Rev: 1.1 at 400 MHz, CSB: 133.333 MHz
Board: Freescale MPC8309_twr
I2C: ready
SPI: ready
DRAM: 128 MiB
FLASH: 32 MiB
Firmware 'Microcode version 0.0.0 for MPC8309 r1.0' for 8309 V1.0
QE: uploading microcode 'Microcode for MPC8309 r1.0'
In: vga
Out: vga
Err: vga
MMC: FSL_ESDHC: 0
Net: FSL UEC0, FSL UEC1
USB RESET
Register 10011 NbrPorts 1
USB EHCI 1.00
The USB ULPI VIEWPORT reg value is 40000001
The USB ULPI VIEWPORT reg value is 8
Hit any key to stop autoboot: 0
## Booting kernel from Legacy Image at fe100000 ...
Image Name: Linux-2.6.33.7.2-rt30
Image Type: PowerPC Linux Kernel Image (gzip compressed)
Data Size: 2000340 Bytes = 1.9 MiB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
Wrong Ramdisk Image Format
Ramdisk image is corrupt or invalid
有人可以分享信息吗，为什么这显示 ramdisk？