Error while creating custom Ubuntu core image using gadget snap and kernel snap

[ashutosh]

Hello Everyone,
I am getting the error while creating custom Ubuntu core image using gadget snap and kernel snap for iMX8. Please check the screenshot for your reference.

Thanks!

[mborzecki]

Does your gadget have a conf file indicating which bootloader is used? Can you list the contents of the gadget snap by running unsquashfs -ll your-gadget.snap and paste the output?

[ashutosh]

using U-boot, i don’t have any conf file in gadget

[mborzecki]

Please check the documentation about gadget snap https://snapcraft.io/docs/gadget-snap and how to build one https://ubuntu.com/core/docs/gadget-building