[U-Boot] Kernel Uncompressing failed under Uboot

[Gurumurthy Gowdar]

Hi,
    i am facing some problem while installing image in U-boot

i have installed ELDK 4.0, Linux kernel version 2.6.15, u-boot 1.1.4..

i have created a image using mkimage tool which gives boardname.img, later
using tftpboot i am downloading ..when i use bootm command am getting the
following error message.

CRC ...OK
Uncompressing kernel image .......Error bad gzipped data

if anybody got same error or sort out this problem ..do reply with the
solution

please let me know the solution for this.

with Regards,
Gurumurthy
Bangalore

-- 
Gurumurthy Gowdar