Changeset b174fb1 for postlfs/config/firmware.xml

Timestamp:

11/13/2019 03:43:33 AM (4 years ago)

Author:

Ken Moffat <ken@…>

Branches:

10.0, 10.1, 11.0, 11.1, 11.2, 11.3, 12.0, 12.1, 9.1, kea, ken/TL2024, ken/inkscape-core-mods, ken/tuningfonts, lazarus, lxqt, plabs/newcss, plabs/python-mods, python3.11, qt5new, rahul/power-profiles-daemon, renodr/vulkan-addition, trunk, upgradedb, xry111/intltool, xry111/llvm18, xry111/soup3, xry111/test-20220226, xry111/xf86-video-removal

Children:

6572358

Parents:

3ded25e

Message:

Update Intel microcode to 20191112.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@22375 af4574ff-66df-0310-9fd7-8a98e5e911e0

File:

• postlfs/config/firmware.xml (modified) (5 diffs)

postlfs/config/firmware.xml

@@ -137 +137 @@
      url='https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/'/>
      and downloading the latest file there.  As of this writing the most recent
-     version of the microcode is microcode-20190514a.
+     version of the microcode is microcode-20191112.
      Extract this file in the normal way, the microcode is in the <filename>intel-ucode</filename>
      directory, containing various blobs with names in the form XX-YY-ZZ.
@@ -154 +154 @@
      </para>
 
-     <para>To be able to use the microcode which addresses MDS, the kernel must
-     be one of the following stable versions: 5.1.2, 5.0.16, 4.19.43, 4.14.119,
-     4.9.176 or a later version of those series, or a later kernel series such
-     as 5.2.</para>
+     <para>To be able to use this latest microcode on all the affected processors
+     the kernel version needs to be versions 5.3.11, 4.19.84 or later.</para>
 
      <para>Now you need to determine your processor's identity to see if there
@@ -167 +165 @@
 
       <para>Convert the cpu family, model and stepping to pairs of hexadecimal
-      digits. For a Haswell i7-4790 (described as Intel(R) Core(TM) i7-4790
-      CPU) the relevant values are cpu family 6, model 60, stepping 3 so in
-      this case the required identification is 06-3c-03. A look at the blobs
-      will show that there is one for this CPU (although it might
-      have already been applied by the BIOS). If there is a blob for your
+      digits. For a Skylake i3 6100 (described as Intel(R) Core(TM) i3-6100
+      CPU) the relevant values are cpu family 6, model 94, stepping 3 so in
+      this case the required identification is 06-5e-03. A look at the blobs
+      will show that there is one for this CPU (although for older issues it
+      might have already been applied by the BIOS). If there is a blob for your
       system then test if it will be applied by copying it (replace &lt;XX-YY-ZZ&gt;
       by the identifier for your machine) to where the kernel can find it:</para>
@@ -197 +195 @@
 <screen><userinput>dmesg | grep -e 'microcode' -e 'Linux version' -e 'Command line'</userinput></screen>
 
-      <para>This old example (from before Intel provided details of the latest
-      versions) from the Haswell i7 which was released in Q2 2014 and is
-      not affected by the TSX errata shows it has been updated from revision 0x19
-      in the BIOS/UEFI (which this version of the kernel now complains about) to
-      revision 0x24. Unlike in older kernels, the individual CPUs are not separately
-      reported:</para>
-
-<screen><literal>[    0.000000] Linux version 4.18.0-rc8 (root@plexi) (gcc version 8.2.0 (GCC))
-               #2 SMP PREEMPT Sat Aug 11 22:26:26 BST 2018
-[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-4.18.0-rc8-sda5 root=/dev/sda5 ro resume=/dev/sdb1
-[    0.000000] [Firmware Bug]: TSC_DEADLINE disabled due to Errata;
-               please update microcode to version: 0x22 (or later)
-[    0.482712] microcode: sig=0x306c3, pf=0x2, revision=0x19
-[    0.274963] microcode: Microcode Update Driver: v2.2.
-[ 1475.941353] microcode: updated to revision 0x25, date = 2018-04-02
-[ 1475.944753] x86/CPU: CPU features have changed after loading microcode, but might not take effect</literal></screen>
+      <para>This example (the machine had just been updated to a new kernel and was
+      already using early loading for firmware from a few months before) shows it
+      has now been updated from revision 0xcc to 0xd4.</para>
+
+<screen><literal>[    0.000000] microcode: microcode updated early to revision 0xcc, date = 2019-04-01
+[    0.000000] Linux version 5.3.11 (ken@milliways) (gcc version 9.2.0 (GCC)) #1 SMP PREEMPT Wed Nov 13 01:43:09 GMT 2019
+[    0.569085] microcode: sig=0x506e3, pf=0x2, revision=0xcc
+[    0.569136] microcode: Microcode Update Driver: v2.2.
+[  257.975226] microcode: updated to revision 0xd4, date = 2019-08-14
+[  257.976347] microcode: Reload completed, microcode revision: 0xd4</literal></screen>
 
     <para>If the microcode was not updated, there is no new microcode for
@@ -327 +319 @@
 
       <para>The places and times where early loading happens are very different
-      in AMD and Intel machines. First, an Intel example from an updated
-      kernel, showing that the first notification comes before the kernel version
-      is mentioned:</para>
-
-<screen><literal>[    0.000000] microcode: microcode updated early to revision 0x27, date = 2019-02-26
-[    0.000000] Linux version 5.0.16 (lfs@plexi) (gcc version 9.1.0 (GCC))
-               #2 SMP PREEMPT Sat May 18 23:10:29 BST 2019
-[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-5.0.16-sda5 root=/dev/sda5 ro resume=/dev/sdb1
-[    0.275864] microcode: sig=0x306c3, pf=0x2, revision=0x27
-[    0.275911] microcode: Microcode Update Driver: v2.2.</literal></screen>
+      in AMD and Intel machines. First, an Intel example with early loading:</para>
+
+<screen><literal>[    0.000000] microcode: microcode updated early to revision 0xd4, date = 2019-08-14
+[    0.000000] Linux version 5.3.11 (ken@milliways) (gcc version 9.2.0 (GCC)) #1 SMP PREEMPT Wed Nov 13 01:43:09 GMT 2019
+[    0.552160] microcode: sig=0x506e3, pf=0x2, revision=0xd4
+[    0.552184] microcode: Microcode Update Driver: v2.2.</literal></screen>
 
       <para>A historic AMD example:</para>