How to Fix Failed to read smbus version on hp probook 440 g1(Using OC generated by Pavo OC-Gen-x and patched ssdts using ssdt time)
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
- Check if your GPU requires WhateverGreen or specific boot-args (e.g., agdpmod=pikera).
- Ensure Metal acceleration is fully supported for your macOS version.
- Update Lilu and WhateverGreen to the latest versions.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
I'm getting this error after booting into install mac os big sur -
vrmi-error: error: failed to read smbus version. code: 0xfffffffa
I used https://github.com/Pavo-IM/OC-Gen-X/releases to generate efi and then patched ssdts using https://github.com/corpnewt/SSDTTime and put all the files in ACPI inside the generated efi file created by Gen-X.
Here's my efi: -
https://drive.google.com/drive/folders/1lE9lr42XrxgQ0lMmzMtDZAa2XItl_2k3?usp=sharing
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