Re: NMI ??

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 29 Apr 1999 19:42:57 +0100 (BST)


> For the "wishlist" category, in case someone is looking for a kernel
> project: the intel chipsets (and probably many others) report where
> parity errors occur. They'll indicate not only that an error occured
> (thus disambiguating the NMI) but also which slot it occured in.

Parity errors don't help you.

> They will report correctable errors (1-bit) as well -- so you could get
> notice that a simm is failing before it actually fails.

That requires ECC ram - expensive but cute.

> chipset docs are available in pdf off intel's website. Requires some
> digging.

If someone plans to get into that sort of stuff then another project that
may be fun for someone who likes playing with dirtly low level stuff is
supporting the PentiumPro/PII Machine check

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