[CentOS] /lib/firmware/microcode.dat update on CentOS 6

Thu Jan 25 17:16:33 UTC 2018
Robert Arkiletian <robark at gmail.com>

On Wed, Jan 24, 2018 at 4:41 PM, Leon Fauster
<leonfauster at googlemail.com> wrote:
...
>
> Comparing microcode-20171117 with microcode-20180108 shows that
> from the 94 ucode files only 19 where updated
>
> $ diff -r --brief microcode-20171117 microcode-20180108
> Files microcode-20171117/intel-ucode/06-3c-03 and microcode-20180108/intel-ucode/06-3c-03 differ
> Files microcode-20171117/intel-ucode/06-3d-04 and microcode-20180108/intel-ucode/06-3d-04 differ
> Files microcode-20171117/intel-ucode/06-3e-04 and microcode-20180108/intel-ucode/06-3e-04 differ
> Files microcode-20171117/intel-ucode/06-3f-02 and microcode-20180108/intel-ucode/06-3f-02 differ
> Files microcode-20171117/intel-ucode/06-3f-04 and microcode-20180108/intel-ucode/06-3f-04 differ
> Files microcode-20171117/intel-ucode/06-45-01 and microcode-20180108/intel-ucode/06-45-01 differ
> Files microcode-20171117/intel-ucode/06-46-01 and microcode-20180108/intel-ucode/06-46-01 differ
> Files microcode-20171117/intel-ucode/06-47-01 and microcode-20180108/intel-ucode/06-47-01 differ
> Files microcode-20171117/intel-ucode/06-4e-03 and microcode-20180108/intel-ucode/06-4e-03 differ
> Files microcode-20171117/intel-ucode/06-55-04 and microcode-20180108/intel-ucode/06-55-04 differ
> Files microcode-20171117/intel-ucode/06-56-02 and microcode-20180108/intel-ucode/06-56-02 differ
> Files microcode-20171117/intel-ucode/06-56-03 and microcode-20180108/intel-ucode/06-56-03 differ
> Files microcode-20171117/intel-ucode/06-5e-03 and microcode-20180108/intel-ucode/06-5e-03 differ
> Files microcode-20171117/intel-ucode/06-7a-01 and microcode-20180108/intel-ucode/06-7a-01 differ
> Files microcode-20171117/intel-ucode/06-8e-09 and microcode-20180108/intel-ucode/06-8e-09 differ
> Files microcode-20171117/intel-ucode/06-8e-0a and microcode-20180108/intel-ucode/06-8e-0a differ
> Files microcode-20171117/intel-ucode/06-9e-09 and microcode-20180108/intel-ucode/06-9e-09 differ
> Files microcode-20171117/intel-ucode/06-9e-0a and microcode-20180108/intel-ucode/06-9e-0a differ
> Files microcode-20171117/intel-ucode/06-9e-0b and microcode-20180108/intel-ucode/06-9e-0b differ
> Files microcode-20171117/microcode.dat and microcode-20180108/microcode.dat differ
> Files microcode-20171117/releasenote and microcode-20180108/releasenote differ
>
>
> Microcode ID?
>
> $ awk '/cpu family/||/model\t/||/stepping/' /proc/cpuinfo |sort |uniq
>
> and convert it into hex
>

Thanks for this info Leon. Very helpful. I was trying to figure this
out. Intel should make this clear on their microcode download page.