Re: fw_printenv works but fw_setenv does not after switching to linux-fslc-imx 5.10.69 from linux-fslc-imx 5.4.114

Brian Hutchinson

Hi Fabio,

On Mon, Nov 8, 2021 at 5:49 AM Fabio Estevam <festevam@...> wrote:
Hi Brian,

On Mon, Nov 8, 2021 at 1:01 AM Brian Hutchinson <b.hutchman@...> wrote:
> Hi,
> I'm using u-boot U-Boot 2019.04-4.19.35-1.1.0+g4d377539a1 in pre-programmed NOR flash and was using linux-fslc-imx 5.4.114 kernel and fw_printenv/fw_setenv were working fine.
> After upgrading to linux-fslc-imx 5.10.69, fw_setenv will not change any u-boot variable.  fw_printenv looks like it is working ok.  I've verified all my .config settings are the same with regard to MTD etc as my older 5.4.114 kernel.
> Any ideas what could be broken?

Could it be that on 5.10 the MTD devices are registered in a different
order, which causes a different mtd numbering of the devices?

Nope, cat /proc/mtd looks good.  Same order as in previous kernels.

Does fw_setenv give any error?

It does not.  It shows no signs of a problem, returns no errors or warnings at all.  It "looks" like it worked normal but does not change the u-boot environment variable.



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