I have generated a yocto / OE Image for the DB410c. I have flashed the Image with fastboot to emmc, and I also tried out to flash it to the sd card, using the wic tool to create an sd card image. Either way, I end up getting I/O errors on boot.
print_req_error: I/O error, dev mmcblk1, sector 269319
mmcblk1: error -84 transferring data, sector 269318, nr 2, cmd response 0x900, card status 0xc00
and stuff like this. It ends up that the partition get set ro. I can run fsck, which fixes some errors. Second run, fsck says everything is nice. When I reboot, I end up in the same situation. I tried this now on two boards, therefore, I would rule out a hardware problem…
Any hints?! Boards came with Windows IoT on them. When using fastboot, I flashed bootloaders like in the howtos for Linux emmc…