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Old 05-12-2018, 07:55 PM   #151
CTM
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Quote:
Originally Posted by kjhambrick View Post
I was not exactly sure what to do about the new intel-ucode-with-caveats/ directory but it is in the Package as /lib/firmware/intel-ucode-with-caveats/ if you want to use it.

In addition, the new Kernel Patches Directory is stored as /usr/doc/intel-microcode-20180425/linux-kernel-patches/
The firmware in intel-ucode-with-caveats/ is for a tiny number of Broadwell CPUs (certain Xeon E5 v4s are affected, AFAIK). The patches in linux-kernel-patches/ need to be applied to 4.4.x and 4.9.x kernel source trees (although apparently Intel is working on getting them backported) to prevent those CPUs from hanging when the firmware is uploaded. The kernel patches are otherwise unnecessary.
 
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Old 05-14-2018, 07:13 AM   #152
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Quote:
Originally Posted by CTM View Post
The firmware in intel-ucode-with-caveats/ is for a tiny number of Broadwell CPUs (certain Xeon E5 v4s are affected, AFAIK). The patches in linux-kernel-patches/ need to be applied to 4.4.x and 4.9.x kernel source trees (although apparently Intel is working on getting them backported) to prevent those CPUs from hanging when the firmware is uploaded. The kernel patches are otherwise unnecessary.
Thanks for the info CTM.

After building and installing intel-microcode.SlackBuild attached in the post above, you'll find two README files:
Code:
/usr/share/doc/intel-microcode-20180425/RELEASE_NOTE:
/usr/share/doc/intel-microcode-20180425/linux-kernel-patches/patch-readme
Reading these two files, the firmware for S-M-F == '06-4f-01' ( aka Xeon E5/E7 v4 and Core i7-69xx/68xx ) was moved from /lib/firmware/intel-ucode/ to /lib/firmware/intel-ucode-with-caveats/ with the 20180425 ucode update.

If you run one of these Skylake CPUs and you need to 'live load' the microcode for the processors and you're running a 4.4.y or 4.9.y Kernel, you'll need the kernel patches.

And as you said, these patches are being back-ported so the patches should be OBE at that point.

Or something like that ...

-- kjh

Last edited by kjhambrick; 05-14-2018 at 07:30 AM. Reason: added link to prior post
 
Old 04-16-2019, 03:46 AM   #153
teoberi
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Intel Page for Linux * Processor Microcode:
https://downloadcenter.intel.com/dow...le?product=873
Quote:
Version: Latest (Latest) Date: 8/7/2018
Quote:
Other Versions microcode-20190312
https://downloadmirror.intel.com/287...ode_readme.txt
What is this? Does anyone have more information?
 
Old 04-16-2019, 03:55 AM   #154
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seems to be landed on debian but not adopted widely

https://repology.org/project/intel-microcode/packages

https://metadata.ftp-master.debian.o...o9+1_changelog

the fact that intel points for the latest version at 20180807 could mean that something might be wrong with the newer version but I hasn't been able to find no reports of this.
it might also mean that the new version hasn't been throughly tested but I haven't been able to find any information also in this sense...

Last edited by ponce; 04-16-2019 at 04:17 AM.
 
Old 04-16-2019, 04:39 AM   #155
teoberi
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Why is it not downloading from Intel servers but from GitHub?
It may be related to kernel 4.19.29 where a microcode update is announced.
https://cdn.kernel.org/pub/linux/ker...ngeLog-4.19.29
 
Old 04-21-2019, 03:19 AM   #156
teoberi
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The new Intel microcode-20190312 works well for a few days, even though I do not know exactly the answer to the previous questions.
 
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