MacBook Pro 2019 overheating and Siri race condition after Tahoe 26.0.1 update

Anybody else MacBook Pro 2019 immediately after (40 minutes) Tahoe 26.0.1 Update Siri Race Condition in Activity Viewer, over 75° C with contact thermometer. Fans on max, loud, too hot to touch bevel near hinge.


Restarted, no help.


Reset — Shut Down, (Shift-Ctrl-Option) Power Button for 10 seconds, power up, no help.


Watched Activity Viewer, CPU huge on Siri processes.


Disabled Siri in System Preferences.


Back to normal temp 40° C in 10 minutes with contact thermometer.



[Re-Titled by Moderator]


MacBook Pro 16″, macOS 26.0

Posted on Oct 17, 2025 2:41 AM

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MacBook Pro 2019 overheating and Siri race condition after Tahoe 26.0.1 update

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