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if APIC IRR keep showing a vector
previously there is thread https://community.osr.com/discussion/71173/interrupt-debugging
but if IRR keeps showing a vector, say 55, what could block os or cpu from handle it? how to check?
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Comments
You're way down into very specific details...What's the exact problem you're having? Do you control the host, software, and device (e.g. FPGA)? Or are you trying to debug someone else's hardware? Do you have a logic analyzer? Etc...
-scott
OSR