How to Fix [OpenCore] Big Sur stuck at LOG:EXITBS:START on Lynnfield (Clover works)

By Ufuk Durgun
0

How to Fix [OpenCore] Big Sur stuck at LOG:EXITBS:START on Lynnfield (Clover works)

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

  1. Boot with -v keepsyms=1 debug=0x100 to identify the exact kernel panic.
  2. Validate your config.plist using ocvalidate.
  3. 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:

I have a desktop with a Xeon X3430 (Lynnfield) running Big Sur 11.3.1 with Clover r5135 that works great.Now I trying to change Clover with OpenCore 0.6.9 but when Big Sur start, it stuck at LOG:EXITBS:START.I tryed all suggestion from here Kernel Issues | OpenCore Install Guide (dortania.github.io) with no success.

Someone have some idea on whats going wrong?

Here my OpenCore config[Link removed to comply with Google AdSense and copyright guidelines] [Link removed to comply with Google AdSense and copyright guidelines]

Here my Clover config[Link removed to comply with Google AdSense and copyright guidelines] [Link removed to comply with Google AdSense and copyright guidelines]

Here is my OpenCore log file: [Link removed to comply with Google AdSense and copyright guidelines]

submitted by /u/stormenergy91
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