Hello there
I have successfully installed openwrt on routerboard 433uah.

root@OpenWrt:/# cat /proc/mtd
dev:    size   erasesize  name
mtd0: 0000b000 00001000 "routerboot"
mtd1: 00001000 00001000 "hard_config"
mtd2: 00002000 00001000 "bios"
mtd3: 00001000 00001000 "soft_config"
mtd4: 00040000 00040000 "booter"
mtd5: 005c0000 00040000 "kernel"
mtd6: 1fa00000 00040000 "rootfs"
mtd7: 1f940000 00040000 "rootfs_data"

I can always boot the kernel by netboot. However booting from NAND
fails sometimes.
The kernel is on the mtd5 partition, I installed it by mounting
mtdblock5 and copying over the image as 'kernel' file.
And while the first one-two boots from nand works then the next ones fail with

loading kernel from nand... OK
setting up elf image... OK
jumping to kernel code

and hangs here.


My suspicion is that the working system changes something slightly
with NAND and so it fails afterwards. Another guess is that the kernel
boots but fail to print on the serial console.

Has anyone encountered such a problem ?
How to debug it ?

-- 
cyryl
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