Re: PROBLEM: spurious 8259A interrupt: IRQ7. AND VM: killing process ..

From: Mikael Pettersson (
Date: Wed Sep 26 2001 - 15:27:45 EST

On Wed, 26 Sep 2001 18:22:26 +0200, Alfred Munnikes wrote:

>With a new compiled kernel 2.4.10 I have the next problem's
>first is gives the message "spurious 8259A interrupt: IRQ7."
>I have a Abit KT7-raid with KT133 chipset, may the problem a hardware
>Local APIC disabled by BIOS -- reenabling.
>Found and enabled local APIC!
>enabled ExtINT on CPU#0
>ESR value before enabling vector: 00000000
>ESR value after enabling vector: 00000000
>Using local APIC timer interrupts.
>calibrating APIC timer ...
>..... CPU clock speed is 900.0498 MHz.
>..... host bus clock speed is 200.0110 MHz.

You didn't include your .config, but it seems you have

Please try either 2.4.10 with CONFIG_X86_UP_IOAPIC=n (don't worry,
you don't need it and won't lose any performance) or 2.4.9-ac with

There seems to be something amiss with the merge of the UP local APIC
code from -ac (where it's brilliant, but I'm biased) in 2.4.10, but I
haven't had time to investigate. I'm almost certain that it was a mistake
to lump UP *local APIC* and UP *IO-APIC* together under the same config
option in 2.4.10 -- they're separate in 2.4-ac.

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