Re: [patch] SMP alternatives

From: thockin
Date: Thu Nov 24 2005 - 14:07:59 EST


On Thu, Nov 24, 2005 at 03:15:24PM +0000, Alan Cox wrote:
> The Intel I have looked at generates MCE if the L2/L1/bus parity errors
> but not on a RAM ECC error as that is memory controller not CPU level.
> That usually asserts NMI. Same for most older chips PIII/AMD Athlon etc

Some BIOSes route that into SMI. The BIOS can then log the error and tell
the OS via the nmi_now bit. Uggh.
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