Messages in this thread | | | Date | Tue, 8 Dec 2015 00:25:24 +0100 | From | Borislav Petkov <> | Subject | Re: [Patch V2] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. |
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On Mon, Dec 07, 2015 at 06:46:40PM -0500, Raj, Ashok wrote: > On Mon, Dec 07, 2015 at 11:34:27PM +0100, Borislav Petkov wrote: > > > > Box logs below. > > Do you have the dmidecode strings to find which platform this is?
Is this enough or you want complete dmidecode dump?
DMI: Intel Corporation LH Pass/S4600LH...., BIOS SE5C600.86B.99.99.2050.043020121425 04/30/2012
> Not sure how the fix works.. since we excluded only the ones offline. > So unless all online cpu's check in, the code should give you the old > behavior.
Did you miss my statement in my previous mail where I said that the MCE is being raised only on the cores of node 0?
> What does cat /proc/interrupts | grep MCE
Can't. Shell on the box is dead after the injection.
> In a system broadcasting, all cpu counts should be the same. Since we didn't > increment the offline stats, if you were to bring the cpu up, it should be one > less than other cpus...
See the logs at the end of my previous email. #MC gets raised - or at least output from mce_panic() comes out only - on the cores of node 0.
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply.
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