Can't flash smaller root-fs through dfu-util?

Dr. H. Nikolaus Schaller hns at
Tue Aug 21 17:39:23 CEST 2007

Am 21.08.2007 um 17:13 schrieb andy selby:

>>> If you upload rootfs image that is smaller that previous one it
>>> won't work - you need to attach to bootloader, erase NAND and then
>>> upload your rootfs first:
>>> cu -l /dev/ttyACM0
>>> GTA01Bv3 # nand erase rootfs
>> This *should* help but I am trying to understand why dfu-util can't
>> do that? And what do I do if I have no serial interface? Does this
>> mean I can't ever again flash a (smaller) rootfs?
> Just type
> screen /dev/ttyACM0
> into any pc while the device is in u-boot mode attached by a usb

But not on a Mac...

> cable, that will give you the GTA01Bv3 prompt

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