diff options
| author | Sandipan Das <sandipan.das@amd.com> | 2023-09-14 20:16:51 +0530 |
|---|---|---|
| committer | Josh Boyer <jwboyer@kernel.org> | 2023-09-18 07:25:15 -0400 |
| commit | d252e92d50c02623ea9da0a140240f6d7ac4558e (patch) | |
| tree | 70da96f89cec2693b8e1667d4c2cf6196356c379 | |
| parent | 3a9bcf45ad066b395e1925d987215846bbd1b40f (diff) | |
linux-firmware: amd-ucode: Add note on fam19h warnings
When running 5.19+ kernels on Genoa or Bergamo systems, some microcode
patches are known to trigger warnings in the PMI handler. Add a note
to list the required minimum patch levels for addressing this problem.
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>
| -rw-r--r-- | amd-ucode/README | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/amd-ucode/README b/amd-ucode/README index fac11524..f47743c1 100644 --- a/amd-ucode/README +++ b/amd-ucode/README @@ -53,3 +53,12 @@ a32b0f0db3f3 ("x86/microcode/AMD: Load late on both threads too") When late loading the patches for Genoa or Bergamo, there may be one spurious NMI observed per physical core. These NMIs are benign and don't cause any functional issue but will result in kernel messages being logged. + +NOTE: When running 5.19+ kernels on Genoa or Bergamo systems, some microcode +patches are known to trigger warnings in the PMI handler. The following are +the required minimum patch levels to address this problem: + + Family=0x19 Model=0x11 Stepping=0x01: Patch=0x0a10113e + Family=0x19 Model=0x11 Stepping=0x02: Patch=0x0a10123e + Family=0x19 Model=0xa0 Stepping=0x01: Patch=0x0aa00116 + Family=0x19 Model=0xa0 Stepping=0x02: Patch=0x0aa00212 |