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William Gibson
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November 14, 2026 at 11:48 pm in reply to: [Solved] Local LLM / MLX Framework Unified Memory Allocation Out-of-Memory Panic on macOS Sequoia 15.1: Diagnostic steps and permanent fix #14900
William Gibson
Certified Tech (Lvl 5)Apple 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.
iPad Pro 13″ M4 (Magic Keyboard + Cellular) | iPhone 15 Pro | Antwerp, BEApple Certified Support Professional (ACSP) | Digital Nomad & Travel FilmmakerNovember 14, 2026 at 11:04 pm in reply to: [Solved] Mac mini M4 Pro encountering Audio Unit (AU) Validation Crash on Launch in Logic Pro Plugin Manager after update (macOS Sequoia 15.1) #14128William Gibson
Certified Tech (Lvl 5)Apple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Flushing AudioUnit cache plist and triggering an isolated AU validation pass.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Quit Logic Pro and delete the corrupt cache:
rm -f ~/Library/Caches/AudioUnitCache/com.apple.audiounits.cache - Kill core audio daemon:
sudo killall -9 coreaudiod - Open Logic Pro, navigate to Settings > Plug-in Manager, locate the crashed AU plugin, and click Reset & Rescan Selection.
Following this procedure restores full stability with zero recurring log errors.
iPad Pro 13″ M4 (Magic Keyboard + Cellular) | iPhone 15 Pro | Antwerp, BEApple Certified Support Professional (ACSP) | Digital Nomad & Travel Filmmaker - Increase sysctl wired unified memory limit:
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