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SubjectRe: spurious 8259A interrupt?
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> important here (and it could just be a simple configuration error.)
> Still, unless I'm mistaken, isn't an 8259A a UART, which should be related
> to the serial port? Seems odd it would show up on IRQ 7...

8259A is the interrupt controller on a PC. (A pair of them actually). They
raise IRQ 7 if they get a spurious interrupt.
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