spurious 8259a interupt: IRQ7

James Drabb JDrabb at cfl.rr.com
Mon Mar 18 19:08:43 PST 2002


On Mon, Mar 18, 2002 at 06:47:47PM -0500, nick wrote:
> On Sun, 17 Mar 2002 20:34:07 +1100
> "doc" <doc256 at bigpond.com> wrote:
> 
> > Hi.
> >     Every now and then, at any time while at a console,the following message
> > pops up:
> > 
> > spurious 8259a interupt: IRQ7
> > 
> >     From what I've noticed, it seems to only come up once per boot, and only
> > in the lfs system. But it seems to come up at any time, like half-way
> > through logging in, or an hour after. And as far as I can see there are no
> > devices on irq7.
> > 
> >     Thankyou for any help you can offer.
> >         doc256 at bigpond.com
> > 
> 
> i get this same message whenever i boot. basically, from what i understand,
> this is caused by a device creating an interrupt and then resolving the issue
> itself before the cpu has a chance to respond. Since the interrupt is unknown
> it reports a generic interrupt on irq7. as somebody else mentioned, it is
> harmless except for being annoying to those who want a perfect system :).
> 
> nick
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I had this problem too.  I got rid of the message by disabling:
	Local APIC support on uniprocessors
in the kernel.  The option is under the processor type menu.

Jim Drabb

-- 
James Drabb JR
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