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Margaret Schaefer
Find answers from other Apple users or start a discussion about your device.
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November 14, 2026 at 9:31 pm in reply to: [Solved] Apple Vision Pro 512GB Persona Eye Tracking and Facial Expressions Drift (visionOS 2.1) – Verified Troubleshooting #12674
Margaret Schaefer
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Re-calibrating eye tracking geometry, re-capturing Spatial Persona, and ensuring proper Light Seal seal.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Remove Light Seal and inspect internal infrared illuminator lenses; clean gently with Apple microfiber cloth.
- Navigate to Settings > Eyes & Hands and select Recalibrate Eye Tracking.
- Follow the multi-dot gaze target calibration keeping your head perfectly stationary until three confirmation chimes sound.
Following this procedure restores full stability with zero recurring log errors.
Mac mini M4 Pro (64GB) | MOTU 828es | Logic Pro 11 | Focal Shape 65 | Porto, PTApple Certified Support Professional (ACSP) | Logic Pro Audio Producer & Mixing EngineerNovember 14, 2026 at 8:50 pm in reply to: [Solved] MacBook Pro 16″ M3 Max Local LLM / MLX Framework Unified Memory Allocation Out-of-Memory Panic (macOS Sonoma 14.7) – Verified Troubleshooting #12101Margaret Schaefer
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Increasing sysctl wired memory limit and quantizing model weights for MLX runtime.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Increase sysctl wired unified memory limit:
sudo sysctl iogpu.wired_mem_limit=180000 - Load models using 4-bit or 8-bit quantization (e.g.
mlx-lm.generate --model mlx-community/Llama-3-70B-4bit). - Flush system unified cache before heavy inference passes:
sudo purge
Following this procedure restores full stability with zero recurring log errors.
Mac mini M4 Pro (64GB) | MOTU 828es | Logic Pro 11 | Focal Shape 65 | Porto, PTApple Certified Support Professional (ACSP) | Logic Pro Audio Producer & Mixing Engineer -
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