[PATCH 2/6] klog.json: Add some missing processor idle kernel messages to klog database

Ivan Hu ivan.hu at canonical.com
Fri Sep 8 08:25:49 UTC 2023


These messages are specific to the ACPI processor idle driver.

Signed-off-by: Ivan Hu <ivan.hu at canonical.com>
---
 data/klog.json | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/data/klog.json b/data/klog.json
index 1d93b839..5a4e4f97 100644
--- a/data/klog.json
+++ b/data/klog.json
@@ -834,6 +834,13 @@
    "advice": "The maximum C state has been limited by the ACPI processor idle driver because of a known bug on this platform, for instance, going to a deeper C state can hang the machine. This can be overridden using the kernel parameter processor.max_cstate to set to a deeper C state if required.",
    "label": "KlogAcpiIdleMaxCStateLimited"
   },
+  {
+   "compare_mode": "string",
+   "log_level": "LOG_LEVEL_MEDIUM",
+   "pattern": "FW issue: working around C-state latencies out of order",
+   "advice": "The ACPI processor idle driver gets the out of order latencies for C-state from firmware and workaroud it.",
+   "label": "KlogAcpiCStateBadLatency"
+  },
   {
    "compare_mode": "string",
    "log_level": "LOG_LEVEL_HIGH",
-- 
2.34.1




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