Re: spurious 8259A interrupt

From: Hans-Peter Jansen
Date: Sun Mar 21 2004 - 13:02:39 EST


On Friday 19 March 2004 14:48, Richard B. Johnson wrote:
>
> The IRQ7 spurious is usually an artifact of a crappy motherboard
> design where the CPU "thinks" it was interrupted, but the
> controller didn't wiggle the CPUs INT line.

Thanks for the nice explanation, Richard.

I even see them on my x86_64 box in 64 bit mode. (K8VT800 based)
Furtunately only occasionally.

I thought, AMD took the chance to fix that kind of crap in the new
architecture, but obviously they failed in this respect :-(

Pete

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