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

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Brian Hutchinson #24783 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. Regards, Brian
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