Re: NMI problems with Dell SMP Xeons

From: Keith Owens
Date: Mon May 22 2006 - 22:03:04 EST

Andi Kleen (on Tue, 23 May 2006 03:55:48 +0200) wrote:
>nd add special cases just to get an NMI send with different vector.
>> I have never disagreed that all NMIs will end up on the NMI vector (2).
>The problem was that KDB had an own handler for its debug vector,
>although that was only ever called as NMI.

You are confusing KDB_ENTER (instruction code 'int 0x81') with
KDB_VECTOR (IPI). KDB_ENTER needs its own int handler which is not an
NMI, KDB_VECTOR does not need (and does not have) its own handler, it
is handled by the NMI vector.

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