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[Solved] Mac mini M2 Rosetta 2 Translation Failure: ‘oahd: dyld shared cache architecture mismatch’ (macOS Sequoia 15.1) – Verified Troubleshooting

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Home › Forums › Apple Silicon, Terminal & Developer Tools › [Solved] Mac mini M2 Rosetta 2 Translation Failure: ‘oahd: dyld shared cache architecture mismatch’ (macOS Sequoia 15.1) – Verified Troubleshooting

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  • November 15, 2026 at 12:46 am #15860
    Harold Graham
    Community Contributor
    Diagnostic Hardware Specs: Mac mini M2 | OS Version: macOS Sequoia 15.1 | Archive Source: Apple Support Community #256307911

    I am running into a persistent issue on my Mac mini M2 running macOS Sequoia 15.1.
    Whenever the machine encounters Corrupted Rosetta runtime translation cache after major macOS incremental delta update, the following diagnostic log appears in Console:

    oahd: [com.apple.oahd] Failed to translate binary chunk 0x67d5: Invalid Rosetta dyld shared cache

    I verified that hardware connections are intact and tested across different power sources. What is the verified diagnostic procedure to permanently eliminate this symptom?

    MacBook Air 13″ M3 (16GB) | Apple GSX Terminal | Thermal Camera Seek Compact | Frankfurt, DE
    Apple Certified Service Technician (ACiT / ACSP) | "Verified Apple Discussions Archive"
    November 15, 2026 at 12:46 am #15861
    Melissa Russell
    Senior Specialist (Lvl 8)
    Apple Recommended / Verified Community Solution
    This canonical solution was verified and marked as solved in the Apple Support Community archive.

    Reinstalling Rosetta 2 runtime daemon and rebuilding LaunchServices database.

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

    1. Force reinstall Rosetta 2: 
      softwareupdate --install-rosetta --agree-to-license
    2. Reset LaunchServices database: 
      /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user
    3. Kill daemon to rebuild fresh cache: 
      sudo killall -9 oahd

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

    MacBook Air 15″ M3 (24GB) | LG UltraFine 5K | Apple Pencil Pro | Helsinki, FI
    Apple Certified Support Professional (ACSP) | Product Designer & Design Systems Lead
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