On Monday, April 29, 2019 at 2:53:01 PM UTC-5, Robert Nelson wrote:
>
> > bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot 
> 2019.01-00002-g6de8c74429]:[location: dd MBR] 
> > bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot 
> 2016.03-00001-gd12d09f]:[location: dd MBR] 
>
> There you go, eMMC bootloader is too old, thus blocking everything else.. 
>
> sudo dd if=/dev/zero of=/dev/mmcblk1 bs=1M count=10 
>
> and reboot. 
>
> Thanks much, that fixed it!  But, the crazy thing was that it worked for 
> several days and several reboots, just like that.  ONLY when I started 
> mucking about with /boot/uEnv.txt (on the SD card) did the problem appear!
>

Thanks,

Jon

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