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[Bob]

** Reply to message from Ralf Mardorf via ubuntu-users
<ubuntu-users at lists.ubuntu.com> on Wed, 10 Oct 2018 06:20:07 +0200

> On Tue, 9 Oct 2018 13:46:00 -0700, Bob wrote:
> >** Reply to message from Liam Proven <lproven at gmail.com> on Tue, 9 Oct
> >2018 12:15:40 +0200
> >> Have you installed any optional drivers or microcode? If not, you
> >> should do that.  
> >
> >Not that I know of.
> >
> >> And as I always say, ensure that you are on the latest system
> >> firmware for your machine.  
> >
> >As I understand it Ubuntu automatically updates the Intel firmware.
> >Correct me if I am wrong.
> 
> Regarding firmware packages run
> 
>   apt list -qqa *microcode* linux-firmware

robert at MARS:~$ apt list -qqa "microcode" linux-firmware
linux-firmware/bionic-updates,bionic-updates,now 1.173.1 all
[installed,automatic]
linux-firmware/bionic,bionic 1.173 all


>   dmesg | grep micro

robert at MARS:~$ dmesg | grep micro
[    3.256926] microcode: sig=0x406c4, pf=0x1, revision=0x408
[    3.257166] microcode: Microcode Update Driver: v2.2.


> A BIOS update could help, too, but can't be done by installing a
> package.
> 
> Btw. the microcode also affects meltdown and spectre mitigation, run
> 
>   cat /sys/devices/system/cpu/vulnerabilities/*

robert at MARS:~$ cat /sys/devices/system/cpu/vulnerabilities/*
Not affected
Mitigation: PTI
Not affected
Mitigation: __user pointer sanitization
Mitigation: Full generic retpoline

robert at MARS:~$ ls /sys/devices/system/cpu/vulnerabilities/
l1tf  meltdown  spec_store_bypass  spectre_v1  spectre_v2

-- 
Robert Blair


The inherent vice of capitalism is the unequal sharing of the blessings.  The inherent blessing of socialism is the equal sharing of misery.  -- Winston Churchill