[arch-general] Intel microcode - latest version not loading

Dutch Ingraham stoa at gmx.us
Wed Feb 28 18:43:26 UTC 2018


On Wed, Feb 28, 2018 at 11:50:09AM -0600, Doug Newgard via arch-general wrote:
> On Wed, 28 Feb 2018 11:46:23 -0600
> Dutch Ingraham <stoa at gmx.us> wrote:
> 
> > Hi all:
> > 
> > I'm having an issue with Intel microcode loading.  Specifically, the microcode
> > does not appear to be loading the latest version:
> > 
> > ~ $ dmesg | grep microcode
> > [    0.000000] microcode: microcode updated early to revision 0x19, date = 2013-06-21
> > [    0.931272] microcode: sig=0x106a5, pf=0x2, revision=0x19
> > [    0.931319] microcode: Microcode Update Driver: v2.2.
> > 
> > 
> > My processor is:
> > 
> > ~ $ grep -E 'family|model|stepping' -m 4 /proc/cpuinfo
> > cpu family      : 6
> > model           : 26
> > model name      : Intel(R) Xeon(R) CPU           W3503  @ 2.40GHz
> > stepping        : 5
> > 
> > The Intel website indicates the latest version of microcode for this processor
> > is version 20171117 [1].  However, as indicated above, the version loaded at
> > boot is dated 2013-06-21.
> > 
> > I have the latest stable version of intel-ucode installed:
> > 
> > ~ $ pacman -Q intel-ucode
> > intel-ucode 20180108-1
> > 
> > I have updated GRUB with <grub-mkconfig -o /boot/grub/grub.cfg>, and rebooted.
> > The grub.cfg file shows, as the last line in the menuentry:
> > 'initrd  /boot/intel-ucode.img /boot/initramfs-linux.img'
> > 
> > I am using a stock kernel:
> > 
> > ~ $ uname -a
> > Linux arch2 4.15.5-1-ARCH #1 SMP PREEMPT Thu Feb 22 22:15:20 UTC 2018 x86_64 GNU/Linux
> > 
> > 
> > Can someone help me determine what is going on here?
> > 
> > 
> > [1] https://downloadcenter.intel.com/download/27337/Linux-Processor-Microcode-Data-File?product=40799
> 
> You're looking at the dates that the last *bundle* was released. That says
> nothing about what firmware is available for your processor. Your microcode was
> "updated early", so it is being loaded just fine.
> 
> Scimmia

Thanks, Scimmia.  I had considered that, but thought that would have
been spelled-out somewhere on Intel's site and didn't want to just
assume.  So, how does one determine what files are on the .img?


More information about the arch-general mailing list