Changeset 6a92f62

Timestamp:

09/11/2024 09:32:02 AM (6 days ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

trunk

Children:

964682d8

Parents:

3e50e2c7

Message:

firmware: Update to intel-microcode-20240910

Explain some microcode updates are only effective from the BIOS.

Files:

• packages.ent (modified) (1 diff)
• postlfs/config/firmware.xml (modified) (1 diff)

packages.ent

@@ -2 +2 @@
 <!-- Chapter 3 -->
 
-<!ENTITY intel-microcode-version      "20240813">
+<!ENTITY intel-microcode-version      "20240910">
 
 <!-- Chapter 4 -->

postlfs/config/firmware.xml

@@ -147 +147 @@
       they need to be applied on every boot.
     </para>
+
+    <note>
+      <para>
+        In some rare cases a microcode update from the kernel can be
+        ineffective.  For example, despite intel-microcode-20240910
+        <!-- deliberate hard coded version, not a bug --> contains the
+        Raptor Lake microcode revision 0x129 which is intended to fix a
+        notorious excessive voltage issue causing stability issues and even
+        permanent CPU damages, when the kernel boots it's already
+        <ulink url='https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/issues/78#issuecomment-2286857023'>too late</ulink>
+        for the microcode to fix the issue.  The only way to fix this issue
+        is updating the BIOS.
+      </para>
+    </note>
 
     <para>