Micro-code du processeur

Mise à jour : Debian 10.5

Ce document indique comment mettre en oeuvre le chargement des microcodes sur les processeurs

Sommaire

$ sudo dmesg |grep microcode
[ 0.093344] SRBDS: Vulnerable: No microcode
[ 2.717122] microcode: sig=0x806ea, pf=0x40, revision=0xc6
[ 2.717288] microcode: Microcode Update Driver: v2.2.
$ sudo dmidecode -s processor-manufacturer
Intel(R) Corporation
$ apt-cache policy intel-microcode
intel-microcode:
Installé : (aucun)
Candidat : 3.20200616.1~deb10u1
Table de version :
3.20200616.1 10
10 http://deb.debian.org/debian bullseye/non-free amd64 Packages
3.20200616.1~deb10u1 500
500 http://deb.debian.org/debian buster/non-free amd64 Packages
3.20200609.2~deb10u1 500
500 http://security.debian.org/debian-security buster/updates/non-free amd64 Package
$ sudo aptitude install intel-microcode
$ sudo dmesg |grep microcode 
[ 0.000000] microcode: microcode updated early to revision 0xd6, date = 2020-04-27
[ 2.727843] microcode: sig=0x806ea, pf=0x40, revision=0xd6
[ 2.728040] microcode: Microcode Update Driver: v2.2.