I am running the ALARM release for the Samsung XE303C12 on an SD card and I've been trying to see if I can the stock kernel to print anything to the screen by using kexec to bypass the prepending of console/screen-silencing arguments by the firmware. I ran into some problems executing it with the stock kernel after unpacking them from their vboot wrappings. I tried it instead with the zImage ALARM installs to boot and I got
kexec_load failed: Invalid argument
entry = 0x40008000 flags = 0x28000
How do I fix this and get it to work?