Re: /lib/firmware/microcode.dat update on CentOS 6

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On 01/22/18 09:08, Johnny Hughes wrote:
On 01/18/2018 09:42 AM, Valeri Galtsev wrote:


On 01/18/18 03:41, Pete Biggs wrote:

Look at:

https://t.co/6fT61xgtGH

Get the latest microcode.dat file from here:

https://t.co/zPwagbeJFY

See how to update the microcode from the links at the bottom of this
page:

https://t.co/EOgclWdHCw

An before anyone asks .. I have no idea why Red Hat chose this path,
they did.  It doesn't matter if I (or anyone else) agrees with the
decision.  It is what it is.

**I'm not blaming you.**

But can I just clarify. We have to *manually* install the microcode
update an EL7 in order to be protected against Spectre? EL6 as well?

Presumably this is to remove RH from the loop and to stop people
blaming them - i.e. this is between Intel and the customer, it's
nothing to do with them.

I bet you are right. I was going to rant about that... then it occurred
to me that class action against Intel (didn't hear about AMD though) is
quite likely, so, indeed, RedHat does not want to be even mentioned in
it, which will be unfair, especially after RedHat putting effort into
fixing somebody's else crap.


It isn't about washing hands, lawsuits, or soeoen else's stuff.  It is
about broken microcode updates.

The code from intel was broken .. causing several CPUs not to boot after
update.  That (and only that) is why they were pulled.

Users MUST individually QA the microcode for their individual CPUs, OEM
Frimware, chipset etc.

The issue here is that the microcode broke peoples machines .. therefore
it had to be rolled back.  All the other discussion is full and total BS.

It is likely ONCE all the microcode updates are tested and completely
working that Red Hat will again include it in the microcode_ctl RPM ..
but that can't put stuff in there that is breaking machines.

While things are beuing released as QA quality, they are going to have
to be done individually by admins .. that's just how it is.


Thanks Johnny, for correcting my wild guess which was wrong, and the fact that my guess was wrong I realized after reading your other post!

As with everything else the end user pays one way or another. :-(

Valeri

++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
++++++++++++++++++++++++++++++++++++++++
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