Re: CPU error codes

James Sutherland (jas88@cam.ac.uk)
Wed, 31 Jan 2001 21:24:51 +0000 (GMT)


On Wed, 31 Jan 2001, Alan Cox wrote:

> > > In the intel databook. Generally an MCE indicates hardware/power/cooling
> > > issues
> >
> > Doesn't an MCE also cover some hardware memory problems - parity/ECC
> > issues etc?
>
> Parity/ECC on main memory is reported by the chipset and needs seperate
> drivers or apps to handle this

Yes - MCE only covers errors in the CPU's cache, IIRC? (Is there still an
NMI on main memory parity errors, or has this changed on modern
chipsets? Presumably ECC is handled differently, being recoverable??)

James.

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