Re: [RAUC] Robust u-boot environment with RAUC

["Jan Lübbe" <jlu@pengutronix.de>]

Hi,

On Thu, 2021-03-25 at 15:22 +0000, Einar Vading wrote:
> We have a Raspberry Pi 4 system set up using RAUC for updates and u-boot for
> booting. For some systems in the field we have the u-boot environment on the
> FAT boot partition and we mount that in fstab so that RAUC can access it with
> the fw_print/setenv commands.
> 
> One issue we have seen is that the env-file gets corrupted every now and then.
> After corruption we can't RAUC update. The only solution we have to this
> problem now is to delete the corrupted env-file and reboot, then we can
> perform the upgrade.
> 
> I have no idea how to track down whatever corrupts the file and I was
> wondering if anyone has any input.

You could try placing the environment on a separate partition to avoid any
potential issues in the FAT implementation. Also, I think U-Boot has a way to
support redundant environments.

Regards,
Jan
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