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didiag.exe is safe to run on a production machine. It's a reporting tool only and doesn't attempt to take corrective actions (stopping / starting services, making configuration changes, etc).


You're confusing the top half of the interrupt with the bottom half. It's perfectly normal for the top half of the interrupt to run on a different core from the bottom half. When a hardware interrupt occurs, you are in whatever context happened to be running. It's critical that you release that context as quickly as possible so that you aren't hijacking a ...


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