It seems the vmlinuz is not compressed on arm64 which would explain the difference. If u-boot on arm64/rpi3b+ supports a compressed image that would suggest the fix is fairly simple.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1808056 Title: vmlinuz is very large on arm64 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1808056/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs