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Date: Fri, 26 Oct 2018 12:23:42 +0200
From: Sascha Hauer <s.hauer@pengutronix.de>
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Subject: Re: IMX6UL: Booting kernel with initramfs blocks
To: Patrick Boettcher <patrick.boettcher@posteo.de>
Cc: barebox@lists.infradead.org, Mikael Pann <Mikael.pann@stimio.fr>

Hi Patrick,

On Fri, Oct 26, 2018 at 12:05:58PM +0200, Patrick Boettcher wrote:
> Hi,
> 
> we are using a Phytec IMX6UL-module and would like to use a
> kernel+initramfs as a rescue/recovery system (when bootchooser bails
> out).
> 
> We are building the initramfs-zIamge with Yocto using a
> customized Phytec-distribution (not many changes). 
> 
> What we added to get an initramfs'd kernel is 
> 
>    INITRAMFS_IMAGE = "<image-name>"
>    INITRAMFS_IMAGE_BUNDLE = "1"
> 
> to local.conf.
> 
> bitbaking the thing gives us the zImage-initramfs-file.
> 
> Then we created two static volumes within the UBI-partition on the
> NAND one for the image, one for the dtb.
> 
> When trying to boot the image with bootm -o .. .. it takes some time
> (to load I guess) and then blocks.

Could you copy the image out from UBI to /somefile first to get UBI out
of the equation first?

Doing bootm -v -v might reveal some more information then.

Sascha

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