Re: MCEs

[Andi Kleen]

Felix von Leitner <felix-linuxkernel@xxxxxxx> writes:

> This is the kind of MCE that freezes the box and causes a panic.  The
> trace does not end up in syslog.  I found a program called mcelog which
> I am supposed to call regularly from cron, but how can that help me when
> the first MCE I get insta-panics the box?

When you do a warm boot (not power cycle, but reset button or 
panic=30) then the panic mce will be logged after reboot.

> Now the most common causes for MCEs are apparently heat issues and bad
> memory.  I can rule out both.  Could this be an artifact of some bad
> ACPI tables?
>
> How do you debug this kind of problem?

It's some sort of hardware problem, debugging it typically
either involves fixing the cooling or exchanging components.

-Andi

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