Re: [Xen-devel] [PATCH] 3/3: MCA/MCE correctable error handling

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 22/8/07 17:05, "Keir Fraser" <keir@xxxxxxxxxxxxx> wrote:

>> The polling routine that is in the -unstable tree (the version taken from
>> Linux) runs every 15 seconds without adjustments.
>> 1Hz causes too much system load for a healthy system IMO.
>> That's why I introduced the adjustments with use of hw threshold registers
>> to come to a compromise solution.
> 
> What's the deal here? Do correctable errors not cause an MCE, yet are still
> detected via the machine-check architecture (albeit by a polling method)?
> 
> Are there going to be patches on the Linux side to pick up this MCA info?
> What is Linux going to do with it, apart from log it (which Xen can already
> do itself)? Or is this all Solaris-specific?

Oh, and is AMD-specific code really needed in non-fatal.c? I though the MCA
stuff was architectural now rather than vendor specific? If there are
vendor-specific extensions then they belong in the vendor's .c file.

 -- Keir


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