ProLiant BL460c Gen9 with UEFI Hang

[NiKiZe]

The kernel should indeed boot, but in efi mode you will likely get an issue with the initrd, see here: http://forum.ipxe.org/showthread.php?tid...9#pid11699

can you boot just the kernel without initrd (and without any other boot options)

can I suggest that you try a known working solution, you could try with for example chain http://b800.org/sysr/sysrcd.ipxe
just to see that the hw is working properly.

Also there have been several reports with issues on HP Servers, a firmware upgrade (which it seems you are trying to do) might actually be what is need to get efi pxe boot to a working state. :/