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Kimberly Morales

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  • November 15, 2026 at 12:13 am in reply to: [Solved] Logic Pro ‘System Overload. The audio engine was not able to process all required data’ on MacBook Pro 14″ M3 Pro: How to resolve CoreAudio thread scheduling buffer underrun with third-party AU plugins (-10011) #15310
    Kimberly Morales
    Community Contributor
    Apple Recommended / Verified Community Solution
    This canonical solution was verified and marked as solved in the Apple Support Community archive.

    Increasing I/O buffer sample size, maximizing processing threads, and freezing high-CPU synth tracks.

    Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:

    1. Navigate to Logic Pro > Settings > Audio > Devices and set I/O Buffer Size to 512 samples (or 1024 for mixing).
    2. Set Processing Threads from ‘Automatic’ to the maximum available performance cores.
    3. Enable Track Freeze on tracks with resource-heavy synthesizers or convolution reverbs.

    Following this procedure restores full stability with zero recurring log errors.

    MacBook Pro 16″ M3 Max (128GB) | SanDisk Professional G-RAID Shuttle 4 | Sydney, AU
    Apple Certified Support Professional (ACSP) | Final Cut Pro / DaVinci Colorist & Editor
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