From 5c0aa0dd7bd0c552f3f2add598257d9ae43a8741 Mon Sep 17 00:00:00 2001 From: Jan Bronicki Date: Thu, 2 Apr 2026 18:37:44 +0200 Subject: [PATCH 1/2] sys-kernel/coreos-sources: Add CONFIG_X86_AMD_PLATFORM_DEVICE flag for amd based machines Signed-off-by: Jan Bronicki --- .../sys-kernel/coreos-modules/files/amd64_defconfig-6.12 | 1 + 1 file changed, 1 insertion(+) diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/amd64_defconfig-6.12 b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/amd64_defconfig-6.12 index c19cbac2136..54a6ca6fb9a 100644 --- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/amd64_defconfig-6.12 +++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/amd64_defconfig-6.12 @@ -120,6 +120,7 @@ CONFIG_VMXNET3=m CONFIG_X86_ACPI_CPUFREQ=m # CONFIG_X86_ACPI_CPUFREQ_CPB is not set CONFIG_X86_AMD_FREQ_SENSITIVITY=m +CONFIG_X86_AMD_PLATFORM_DEVICE=y CONFIG_X86_AMD_PSTATE=y # CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK is not set CONFIG_X86_CHECK_BIOS_CORRUPTION=y From efde1886fbca8c18cd946c88e543f7b5cedc7632 Mon Sep 17 00:00:00 2001 From: Jan Bronicki Date: Thu, 2 Apr 2026 19:08:26 +0200 Subject: [PATCH 2/2] changelog: Add changelog entry for amd hw flag support Signed-off-by: Jan Bronicki --- .../bugfixes/2026-04-02-add-amd-hw-specific-support-flag.md | 1 + 1 file changed, 1 insertion(+) create mode 100644 changelog/bugfixes/2026-04-02-add-amd-hw-specific-support-flag.md diff --git a/changelog/bugfixes/2026-04-02-add-amd-hw-specific-support-flag.md b/changelog/bugfixes/2026-04-02-add-amd-hw-specific-support-flag.md new file mode 100644 index 00000000000..5068f882f87 --- /dev/null +++ b/changelog/bugfixes/2026-04-02-add-amd-hw-specific-support-flag.md @@ -0,0 +1 @@ +- Fixed stability on some AMD hardware by enabling CONFIG_X86_AMD_PLATFORM_DEVICE in the kernel. ([Flatcar#2060](https://github.com/flatcar/Flatcar/issues/2060))