Resize of ath79 / ZyXEL NBG6716 kernel partition

Adrian Schmutzler mail at
Sun May 23 02:05:06 PDT 2021


> -----Original Message-----
> From: Andre Valentin [mailto:a.valentin at]
> Sent: Dienstag, 18. Mai 2021 20:11
> To: OpenWrt Development List <openwrt-devel at>
> Subject: Resize of ath79 / ZyXEL NBG6716 kernel partition
> Hi!
> The NBG6716 has recently been disabled because of size problems with the
> kernel partition.
> I'm thinking about extending it to 8MB, shouldn't be a problem.


I was not aware that we are > 4 MiB for kernel already. Is there anything special about this device (or probably ath79/nand) that causes bigger kernel?



> But I'm afraid users will brick their device when doing a sysupgrade to the
> new flash layout.
> First time / in upgrade case it must be installed via manufacturer webif or via
> bootloader.
> What do you propose in these cases?
> Kind regards,
> André
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