Hi all,
You may have seen that Intel has an updated "guidance" doc on CPU microcode:

https://newsroom.intel.com/wp-content/uploads/sites/11/2018/03/microcode-update-guidance.pdf

Recall that in January, they released microcode for a number of models, then later told people not to use it. we updated a big new cluster to the new 0xb000025 - and it's not causing problems, but would like to get the new "production" version xb00002A mentioned in this document. we have Broadwell EX chips (406f1 - aka 06-4f-01 or in linux terms, family 6, model 79, stepping 1)

There *is* an updated microcode data file:
https://downloadcenter.intel.com/product/873/Processors
which seems to correspond to the document above.
But alas, it contains buggy 06-4f-01 microcode 0xb00002A.

Has anyone managed to get a clear idea of where things stand?
Attempting to engage Intel just got me a "I'll ask my boss whether
I can tell you about that" kind of response.

thanks,
Mark Hahn | SHARCnet Sysadmin | h...@sharcnet.ca | http://www.sharcnet.ca
          | McMaster RHPCS    | h...@mcmaster.ca | 905 525 9140 x24687
          | Compute/Calcul Canada                | http://www.computecanada.ca
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