Re: Linux Kernel 2.6.4 - APIC Errors

From: Maciej W. Rozycki
Date: Wed Mar 31 2004 - 05:54:34 EST


On Mon, 29 Mar 2004, Justin Piszcz wrote:

> Does anyone know what would cause these APIC errors?
>
> # dmesg
> APIC error on CPU0: 40(40)
> APIC error on CPU0: 40(40)
> APIC error on CPU0: 40(40)

These (40) report an incorrect interrupt vector. Do you ever see any
other values reported? If not, then I'd suspect an APIC configuration
error. There are a few debug facilities in arch/i386/kernel/io_apic.c
that can be used to investigate that.

--
+ Maciej W. Rozycki, Technical University of Gdansk, Poland +
+--------------------------------------------------------------+
+ e-mail: macro@xxxxxxxxxxxxx, PGP key available +
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