How to Fix Dual boot macOS Monterey/Ventura on the same drive

How to Fix Dual boot macOS Monterey/Ventura on the same drive

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:

Hi All,
I recently installed macOS Monterey and macOS Ventura to a dedicated drive on my multiboot system (Opencore 0.8.8). After installing macOS Monterey I added an APFS Volume for installing macOS Ventura but after completing it I noticed that opening Disk Utility in macOS Monterey the macOS Monterey volume appears as a System Snapshot whereas the macOS Ventura volume does not:




Conversely, the same behavior occurs when opening Disk Utility in macOS Ventura...

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