From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefan Roese <sr@denx.de>
Date: Fri, 28 Mar 2008 11:55:37 +0100
Subject: [U-Boot-Users] Current U-Boot doesn't boot device tree enabled
	kernel anymore
In-Reply-To: <47EBEDE4.4050302@semihalf.com>
References: <200803271509.23870.sr@denx.de> <200803271525.34660.sr@denx.de>
	<47EBEDE4.4050302@semihalf.com>
Message-ID: <200803281155.37292.sr@denx.de>
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To: u-boot@lists.denx.de

On Thursday 27 March 2008, Bartlomiej Sieka wrote:
> It's because we assume that if the image got overwritten, its contents
> can't be trusted anymore, and abort booting. "Old" U-Boot didn't care
> about overwrites, which sometimes worked out OK, and sometimes didn't,
> the latter case resulting in nasty failure modes.

Ah, ok. So I really need to change all default environment variables on the 
board I maintain. Time to implement a common file for this.

> The overwrite issue is particularly acute in case of the new image
> format. Image is based on FDT and is being accessed via libfdt
> functions, so if it gets overwritten, there's little point in processing
> it further. But even with images in old format, this issue has been
> brought up on this list, and there's been proposals to add safeguards.
> So since overwrite checking was rather necessary for the new format, and
> desired for the old one, it got added.

Understood. Thanks.

Best regards,
Stefan

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