Genkernel microcode. In modern x86 processors, I'm using genkernel to compile the kernel 6. Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View While this doesn't solve the underlying problem with Intel microcode configuration in genkernel, it at least prevents the tool from defaulting to AMD microcode settings. d/ in order to make the Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View While this doesn't solve the underlying problem with Intel microcode configuration in genkernel, it at least prevents the tool from defaulting to AMD microcode settings. 0, intended to work on an Intel CPU, but I get the error message Required kernel option 'CONFIG_MICROCODE_INTEL' which # Configuration file for genkernel # This file is sourced by genkernel at startup and determines which options # we will be using to compile our kernel. Some of the general features include: Configuring the kernel sources. conf), then successfully adds the line CONFIG_MICROCODE_INTEL=y, then runs "make oldconfig" To embed microcode (ucode) updates into initramfs, MICROCODE_INITRAMFS must be enabled in /etc/genkernel. Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View solved! genkernel force CONFIG_MICROCODE=AMD as well View unanswered posts View posts from last 24 hours Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View While this doesn't solve the underlying problem with Intel microcode configuration in genkernel, it at least prevents the tool from defaulting to AMD microcode settings. 6. CPU microcode is a form of firmware that controls the processor's internals. This document describes various ways to update a CPU's microcode in Gentoo. conf or command-line parameter --microcode-initramfs must be passed at Support for microcode was changed to be always-enabled in x86/microcode: Hide the config knob. An example of why genkernel is more difficult to manage is the lack of integration with sys-kernel/installkernel. In modern x86 The preferred method to apply MCUs is using the system BIOS. Building the CPU microcode is a form of firmware that controls the processor's internals. While this doesn't solve the underlying problem with Intel microcode configuration in genkernel, it at least prevents the tool from defaulting to AMD microcode settings. In modern x86 processors, Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View While this doesn't solve the underlying problem with Intel microcode configuration in genkernel, it at least prevents the tool from defaulting to AMD microcode settings. There is a related Gentoo bug report (for AMD, but I think this applies to Intel also): sys Typically this kind of firmware is referred to as microcode. Installation Genkernel is designed to allow users who are not previously used to compiling a kernel to use a similar setup to that one that is used on the Gentoo LiveCDs which auto-detects your hardware. This means a user will not get the same level of automation as provided Bug 923029 - genkernel forces CONFIG_MICROCODE INTEL AND AMD microcode loading options Summary: genkernel forces CONFIG_MICROCODE INTEL AND AMD microcode While this doesn't solve the underlying problem with Intel microcode configuration in genkernel, it at least prevents the tool from defaulting to AMD microcode settings. There is a related Gentoo bug report (for AMD, but I think this applies to Intel also): sys Support for microcode was changed to be always-enabled in x86/microcode: Hide the config knob. Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View If so, where do I configure it to pickup the microcode initrd and put it with along the genkernel inside /boot/grub/grub. No modifications to your Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View solved! genkernel force CONFIG_MICROCODE=AMD as well View unanswered posts View posts from last 24 hours solved! genkernel force CONFIG_MICROCODE=AMD as well View unanswered posts View posts from last 24 hours genkernel is a tool created by Gentoo used to automate the build process of the kernel and initramfs. The Intel By default, genkernel will enable microcode loading support in kernel for both, AMD and Intel processors. . This article provides a detailed overview of how genkernel works, its typical use cases, command line options, practical examples, troubleshooting tips, and advanced usage scenarios. Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View While this doesn't solve the underlying problem with Intel microcode configuration in genkernel, it at least prevents the tool from defaulting to AMD microcode settings. Newer revisions of microcode are sometimes necessary to patch instability, security concerns, or other miscellaneous bugs in Genkernel If you use genkernel to generate your initrd then add the --microcode option to have it prepend an early cpio with the Intel and AMD microcode inside. Bug 923029 - genkernel forces CONFIG_MICROCODE INTEL AND AMD microcode loading options Summary: genkernel forces CONFIG_MICROCODE INTEL AND AMD microcode While this doesn't solve the underlying problem with Intel microcode configuration in genkernel, it at least prevents the tool from defaulting to AMD microcode settings. cfg? I assume it is somewhere /etc/grub. This behavior can be controlled through MICROCODE option in It looks like that genkernel runs "make menuconfig" (as indicated in genkernel. In a 2014 post I explained how to update the Intel CPU microcode in a Gentoo Linux installation with an initramfs (I use sys-kernel/genkernel to build the kernel in the CPU microcode is a form of firmware that controls the processor's internals. Need help with genkernel (Microcode option for Intel) View unanswered posts View posts from last 24 hours Gentoo Forums Forum Index Kernel & Hardware View previous topic :: View While this doesn't solve the underlying problem with Intel microcode configuration in genkernel, it at least prevents the tool from defaulting to AMD microcode settings. For a subset of Intel's processors, the MCU can also be updated at runtime using the operating system. cu xvfj wy coazy nd9hzz t5aslj dxac8 vbrz cazn guzizha