From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] Current U-Boot doesn't boot device tree enabled kernel anymore
Date: Fri, 28 Mar 2008 11:55:37 +0100 [thread overview]
Message-ID: <200803281155.37292.sr@denx.de> (raw)
In-Reply-To: <47EBEDE4.4050302@semihalf.com>
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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prev parent reply other threads:[~2008-03-28 10:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-27 14:09 [U-Boot-Users] Current U-Boot doesn't boot device tree enabled kernel anymore Stefan Roese
2008-03-27 14:15 ` Bartlomiej Sieka
2008-03-27 14:25 ` Stefan Roese
2008-03-27 15:36 ` Markus Klotzbücher
2008-03-27 15:45 ` Stefan Roese
2008-03-27 16:25 ` Wolfgang Denk
2008-04-01 8:00 ` Bartlomiej Sieka
2008-03-27 18:56 ` Bartlomiej Sieka
2008-03-28 10:55 ` Stefan Roese [this message]
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