after two days, I still cannot boot a kernel from u-boot, 1.first I build my linux kernel by: make lubbock make oldconfig make dep make zImage 2.then I follow the README file to product uImage, arm-linux-objcopy -O binary -R .note -R .comment -S vmlinux linux.bin gzip -9 linux.bin mkimage -A arm -O linux -T kernel -C gzip -a 0xa0008000 -e 0xa0008000 -n "Linux Kernel Image" -d linux.bin.gz uImage 3.then I use u-boot to load it: =>loadb 0xa0008000 =>bootm 0xa0008000 ## Booting image at a0008000 ... Image Name: Linux Kernel Image Image Type: ARM Linux Kernel Image (gzip compressed) Data Size: 791662 Bytes = 773.1 kB Load Address: a0008000 Entry Point: a0008000 Verifying Checksum ... OK Uncompressing Kernel Image ...

U-Boot 0.2.3 (Apr 8 2003 - 19:02:38) <then U-boot is self-restart seval times>

who can give me a detail sample to product a usable uImage file, and howto load/run it. Thanks very much, I am almost crazy now. Hongda Zhao