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How to get a Yocto .sdcard to work properly

Question asked by M T on Jun 17, 2015
Latest reply on Jun 26, 2015 by Steve Anderson



I need some help.  I've been trying for the past couple of weeks to create a bootable image on an sdcard for the Sabre Lite board (i.MX6q).


I've downloaded Yocto Dizzy and followed the instructions to bitbake an image (core-image-minimal).


I've got the .sdcard file generate.


But when I flash the .sdcard file onto an sdcard :


sudo dd if=core-image-minimal.imx6qsabrelite.sdcard of=/dev/sdX bs=1M


..and put the sdcard into the Sabre Lite board, it does not boot.  Nothing happens.

Am I doing something wrong?

The card generates 4 partitions : unallocated (4MB), /dev/sdg1 (fat 16, 8MB) , /dev/sdg2 (ext3, 8MB), unallocated (4MB)


Of the above, 4.57MB of /dev/sdg1 is used and listed with the lba flag.   Meanwhile 5.98MB of /dev/sdg2 is used.


I had thought the the flashing of the .sdcard above would be sufficient to generate a fully booting image on the Sabre Lite.  Do I have to do anything extra?  Like copy the u-boot.imx and Image file to the /boot directory or something?


Please help me.  Thanks for your help