How to Fix Opencore - BS: Unsupported bootstrap protocol 5 vs 6
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Boot with
-v keepsyms=1 debug=0x100to identify the exact kernel panic. - Validate your config.plist using ocvalidate.
- Ensure your EFI matches the Dortania guide specifications for your CPU generation.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
Updated a one year old installation to release 0.6.5 (redoing config.plist from scratch) and now OpenCore does not even get to the picker.
I get the following error messages instead:
OC: Setting NVRAM 7C436110-AB2A-4BBB-A880-FE41995C9F82:prev-lang:kbd - Not Found BS: Unsupported bootstrap protocol 5 vs 6 OC: Boot failed - Unsupported OCB: StartImage failed - Unsupported Halting on critical error Double and triple checked to make sure Boot/BOOTx64.efi, OC/OpenCore.efi and Bootstrap/Bootsrtap.efi as well as Drivers/OpenRuntime.efi are all from the 0.6.5 release already.
System is an i7 Haswell Chromebox (Asus CN60) with latest MrChromebox firmware installed.
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