I am not new in compiling kernels in specific for Raspberry Pi.
I have done that several times for RPi 2/3 and all have been fine.
However, all my successful compilation for Raspberry Pi Zero W do not boot the board!
I am following exactly Raspberry Kernel Compile Instruction even I have used their suggested Toolchain but the result is same.
I have used both 4.4.y and 4.9.y branches and the result were same.
I only use my own debootstrap Ubuntu 16.04.2LTS rootfs and I don't know on top of "firmware", "modules" and "kernel+device tree files and overlays" what else is required that the boot come up with following error:
Code: Select all
Kernel Panic - not syncing: Attemted to kill init! exitcode=0x00000004
CPU:0 PID:1 CommL init Not Tainted 4.9.20-RPI-Linux #2
Hardware name: BCM2835
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---[end Kernel Panic - not syncing: Attemted to kill init! exitcode=0x00000004
