spurious 8259A interrupt : IRQ7 + motherboard

Ian Molton spyro at f2s.com
Fri Jan 17 00:40:45 PST 2003


On Fri, 17 Jan 2003 02:48:37 +0000 (UTC)
jrh29 at po.cwru.edu (Justin Hibbits) wrote:

> > I think thats what the 'spurious' is supposed to mean, dude ;-)
> > 
> 
> I know that.  But the kernel should silently ignore interrupts from an
> uninitialized device, and if it doesn't, they should fix it.

Im no expert on the X86, but isnt IRQ 7 a multiplexed IRQ?

If so, its not possible to mask it whilst one device is unmasked.

>  btw, it
> may depend on the kernel too.  I use 2.4.18, and it works like a
> charm, no noise whatsoever.  Hell, it may just be I'm lucky at this.

probably :)
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