Re: NMI ??

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 29 Apr 1999 23:30:15 +0100 (BST)


> > may be fun for someone who likes playing with dirtly low level stuff is
> > supporting the PentiumPro/PII Machine check
>
> Hm?

The PII and the like have two ways of handling failures the chip detects. THe
default behaviour is a shutdown cycle, a reboot. The optional behaviour is
to take a machine check exception (ie an 'oh shit' trap). That lets you
find out what exploded and will report stuff like cache parity errors

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