MCE hardware errors

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MCE hardware errors

Postby aguador » Jun 30th, '18, 22:36

Starting in January of this year a small laptop year-old laptop I have with an Intel N4200 processor began having problems by:

    1. Indicating that the CMOS battery was dying or had been replaced recently and episodes when it took multiple attempts to get the machine to boot.
    2. At the same time I also noted MCE messages as Mageia 6 booted, specifically:

    Code: Select all
    mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 4: a600000000020408
    mce: [Hardware Error]: TSC 0 ADDR fef134c0
    mce: [Hardware Error]: PROCESSOR 0:506c9 TIME 1526150657 SOCKET 0 APIC 0 microcode 2c

    The vendor's tech service feels that a BIOS upgrade has taken care of the first problem (too soon to tell for sure), but they missed the fact that the MCE errors continue. As can be seen from the third error, the microcode is mentioned and, in fact, the timing of the problems coincides with the microcode changes. I installed mcelog, but it appears that the N4200 processor is not supported so I cannot decipher the error messages more.

    My question is two-fold:

      1. Can anyone tell me more specifically what these errors mean?
      2. Could they be related to the changes in microcode -- and perhaps something to be lived with?
Basically I am trying to determine if this is truly serious before asking for a motherboard replacement.
Last edited by isadora on Jul 1st, '18, 08:52, edited 1 time in total.
Reason: Placed command-output in between [CODE]-tags for better readability ;)
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Re: MCE hardware errors

Postby doktor5000 » Jul 1st, '18, 13:50

You would need to check the actual content of the log events. See e.g. http://mcelog.org/ and https://serverfault.com/questions/43000 ... nts-logged
mcelog is in the repos: https://madb.mageia.org/package/show/ap ... ame/mcelog
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