Gentoo Archives: gentoo-user

From: Corbin Bird <corbinbird@×××××××.net>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] microcode applied?
Date: Tue, 09 Jan 2018 01:35:19
Message-Id: b7342af3-7bf5-152f-784a-2ec4d4cf51b3@charter.net
In Reply to: [gentoo-user] microcode applied? by Adam Carter
1 On 01/07/2018 09:24 PM, Adam Carter wrote:
2 > Does the absence of a "microcode updated" message in dmesg imply that
3 > the microcode was not updated?
4 >
5 > I believe my fam10/barcelona AMD CPU will use
6 > amd-ucode/microcode_amd.bin but there's no update message.
7 >
8 > I've checked the config against another system that works and cant see
9 > any errors. Is there a way to turn on debugging?
10
11 Sample "dmesg" output for a Fam15h AMD ( Kernel 4.9.xx ) :
12 > [   10.336395] microcode: microcode updated early to new
13 > patch_level=0x0600084f
14 > [   10.337132] microcode: CPU0: patch_level=0x0600084f
15 > [   10.337839] microcode: CPU1: patch_level=0x0600084f
16 > [   10.338631] microcode: CPU2: patch_level=0x0600084f
17 > [   10.342083] microcode: CPU3: patch_level=0x0600084f
18 > [   10.342756] microcode: CPU4: patch_level=0x0600084f
19 > [   10.343468] microcode: CPU5: patch_level=0x0600084f
20 > [   10.344117] microcode: CPU6: patch_level=0x0600084f
21 > [   10.344786] microcode: CPU7: patch_level=0x0600084f
22 > [   10.345615] microcode: Microcode Update Driver: v2.01
23 > <tigran@×××××××××××××××××.uk>, Peter Oruba
24 Output is very similar for Fam10h AMDs as well ( Phenom II x4 980 )