APIC error on CPU0

From: Shachar Shemesh (linux-il_at_nonexisting.hamakor.org.il)
Date: Sat 08 Jan 2005 - 15:53:56 IST

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Hi list,

I have a small celeron machine with Debian Testing (Sarge). After a
recent hardware change (I added a network card, making it one on board
plus three PCI), the machine started to spew out "APIC error on CPU0:
0(40)" followed by lots of "APIC error on CPU0: 40(40)". Frequency of
about one a minute.

I did google a little, but found nothing more reasonable than "turn apic
off using "noapic", there were also some references to apic not working
on SiS (this board is SiS), but nothing in way of explaining what the
problem actually is.

So, my questions:

    * What is APIC anyways....
    * What does this error message mean?
    * Why did it only start surfacing just now?
    * Is my machine about to blow up?

Thanks,

          Shachar

-- 
Shachar Shemesh
Lingnu Open Source Consulting ltd.
http://www.lingnu.com/
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