ubuntu-device-flash errors for building armhf image

[Woodrow Shen]

Hi Ogra,

Thanks your help a lot !!
The uboot.env is a file I miss, and now I can build an image successfully.
^0^/

I also wonder why don't we provide some gold examples / guides to instruct
how to build the gadget snap for the specific arch, especially the gadget
couldn't created by snapcraft.

Cheers,
Woodrow,

On Fri, Jun 3, 2016 at 5:38 PM, Oliver Grawert <ogra at ubuntu.com> wrote:

> hi,
>
> >
> > On Fri, Jun 3, 2016 at 2:59 PM, Woodrow Shen
> > <woodrow.shen at canonical.com> wrote:
> >         Hi all,
> >
> >
> >         I made roseapple-pi gadget snap[1]
>
> there are multiple issues with your gadget snap ...
> in your snap.yaml you define two files that do not exist:
> ...
> - path: boot-assets/bootloader.bin
> ...
> - path: boot-assets/u-boot.bin
>
> we also do not support any text files for configuring the bootloader any
> more, you need to create a uboot.env (and adjust your uboot build time
> configuration to use and find it):
>
> #define CONFIG_ENV_SIZE                        SZ_128K
> #define CONFIG_ENV_IS_IN_FAT
> #define FAT_ENV_INTERFACE              "mmc"
> #define FAT_ENV_DEVICE_AND_PART                "0:1"
> #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
>
> (in include/configs/$your-board.h, note that FAT_ENV_DEVICE_AND_PART
> needs to point to your vfat partition that holds the uboot.env file)
>
> the uboot.env needs to be created using the mkenvimage command either
> from your uboot tree (it gets built in the tools directory) or from the
> u-boot-tools package in the archive:
>
> mkenvimage -r -s 131072  -o uboot.env uEnv.txt
>
> (note the options are not optional ;) -r and -s 131072 are mandatory)
> and change "- path: boot-assets/uEnv.txt" to "- path:
> boot-assets/uboot.env" in your snap.yaml
>
> first see if it works better with the adjusted gadget snap and the very
> latest ubuntu-device-flash from
> http://people.canonical.com/~mvo/all-snaps/
>
> if there are still issues then we can go through your kernel snap ...
>
> ciao
>         oli
>
>
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>


-- 
Woodrow Shen
Software Engineer, Canonical ltd.
UES | CE | PC & Core, Taipei
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