Re: APIC error on CPU0: 02(02)

From: Mikael Pettersson (mikpe@csd.uu.se)
Date: Wed Jul 30 2003 - 06:19:05 EST


On 29 Jul 2003 20:23:22 -0500, Shawn <core@enodev.com> wrote:
>I just bought a shiny new Athlon 2400+ and popped it in my biostar M7VIB
>with an up to date bios.
>
>I'm running 2.6.0-test1-mm2, and I get tons of "APIC error on CPU0:
>02(02)" messages. Can someone tell me what is going on?

02 = Receive checksum error. Your APIC bus is corrupting messages
sent to the CPU. This is a serious hardware problem, indicating
that the board hasn't been properly designed for APIC usage.

First try to avoid using the APIC bus: disable SMP and UP_IOAPIC.
If your BIOS allows it, set interrupt mode to PIC not APIC.
If you still get these errors (but you shouldn't unless the HW
is _really_ broken), also disable UP_APIC.

Or replace the board with something better.
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