On Tue, Feb 24, 2015 at 12:41:11AM +0900, Naoya Horiguchi wrote:
> What I saw was that once in hundreds of kdump and reboot cycle we hit
> kdump failure and panic with "Timeout synchronizing machine check over
> CPUs" message.
Ok, but this doesn't necessarily mean you're seeing an MCE.
Or perhaps your NMI shooting down is causing an MCE once in a hundred
kdump cycles, i.e. I'm looking at nmi_shootdown_cpus().
Can you send me a dmesg from such a case where this happens? The more
verbose, the better.
Thanks.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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