This was a consequence of the arm64 images not using a compressed kernel (and me being slightly lazy in the construction of the boot script - or trying to keep the script minimal, depending on your point of view :).
Now the kernels are compressed, the script won't be trying bootz erroneously on a platform where it doesn't exist (it will if the kernel is ever uncompressed again - but frankly I'd like to be warned of that case!) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1868711 Title: Unknown command 'bootz' - try 'help' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/u-boot/+bug/1868711/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs