RE: [PATCH 1/2] ia64 kdump: add kdump_on_fatal_mca

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> I think kdump_on_fatal_mca should be set to 1 by default. Fatal
> mca is exactly the case where we need a dump to analyze the problem.

I'm not so sure.  If the fatal MCA was caused by the s/w doing something
wrong (e.g. accessing non-existant memory), then a dump is useful to find out
what went wrong.

But if the MCA was caused by some h/w error (e.g. 2xECC bit error in kernel
memory), then a dump won't help.

Perhaps the dump would help distinguish the s/w case from the h/w case?

-Tony
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