[coreboot] Kabylake unable to boot with post code 0x71 "SGX: pre-conditions not met"

[Alex Feinman]

Keep in mind that Intel RVP boards ship with Intel EC code, which is not compatible with Coreboot. You need to reflash it with Google EC - it's built as a part of Coreboot, or it can be built separately as well.

________________________________
From: coreboot <coreboot-bounces at coreboot.org> on behalf of Nico Huber <nico.h at gmx.de>
Sent: Thursday, September 20, 2018 1:16 PM
To: Jose Trujillo; Naresh G. Solanki
Cc: coreboot
Subject: Re: [coreboot] Kabylake unable to boot with post code 0x71 "SGX: pre-conditions not met"

Hi Jose,

On 20.09.2018 15:58, Jose Trujillo via coreboot wrote:
> I will follow your advise of checking EC and about the base FW I am
> using the original UEFI AMI FW but, if still doesn't boot I will replace
> ME and descriptor as you suggested.

Better don't. The Firmware Descriptor and ME are orthogonal to coreboot.
It's best to leave them in flash as they are once you have them working
with the original firmware. If you use flashrom, you can use a layout
file or the --ifd option and include only the BIOS region when writing.

Nico

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