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包装温度超过阈值误报

tag-icon • tag-icon lenovo overheating temperature
包装温度超过阈值误报

我的 kern.log 每 5 分钟就会播放一次这样的歌舞：

Sep 10 20:56:41 cabron kernel: [99978.849080] CPU6: Core temperature/speed normal
Sep 10 20:56:41 cabron kernel: [99978.849081] CPU4: Package temperature/speed normal
Sep 10 20:56:41 cabron kernel: [99978.849082] CPU0: Package temperature/speed normal
Sep 10 20:56:41 cabron kernel: [99978.849082] CPU2: Core temperature/speed normal
Sep 10 20:56:41 cabron kernel: [99978.849083] CPU2: Package temperature/speed normal
Sep 10 20:56:41 cabron kernel: [99978.849083] CPU6: Package temperature/speed normal
Sep 10 20:56:41 cabron kernel: [99978.849118] CPU7: Package temperature/speed normal
Sep 10 20:56:41 cabron kernel: [99978.849119] CPU5: Package temperature/speed normal
Sep 10 20:56:41 cabron kernel: [99978.849120] CPU1: Package temperature/speed normal
Sep 10 20:56:41 cabron kernel: [99978.849120] CPU3: Package temperature/speed normal
Sep 10 21:02:58 cabron kernel: [100355.143135] CPU3: Core temperature above threshold, cpu clock throttled (total events = 1213)
Sep 10 21:02:58 cabron kernel: [100355.143136] CPU1: Package temperature above threshold, cpu clock throttled (total events = 4841)
Sep 10 21:02:58 cabron kernel: [100355.143137] CPU7: Core temperature above threshold, cpu clock throttled (total events = 1213)
Sep 10 21:02:58 cabron kernel: [100355.143138] CPU5: Package temperature above threshold, cpu clock throttled (total events = 4841)
Sep 10 21:02:58 cabron kernel: [100355.143140] CPU7: Package temperature above threshold, cpu clock throttled (total events = 4841)
Sep 10 21:02:58 cabron kernel: [100355.143144] CPU3: Package temperature above threshold, cpu clock throttled (total events = 4841)
Sep 10 21:02:58 cabron kernel: [100355.143177] CPU4: Package temperature above threshold, cpu clock throttled (total events = 4841)
Sep 10 21:02:58 cabron kernel: [100355.143178] CPU0: Package temperature above threshold, cpu clock throttled (total events = 4841)
Sep 10 21:02:58 cabron kernel: [100355.143179] CPU6: Package temperature above threshold, cpu clock throttled (total events = 4841)
Sep 10 21:02:58 cabron kernel: [100355.143180] CPU2: Package temperature above threshold, cpu clock throttled (total events = 4841)
Sep 10 21:02:58 cabron kernel: [100355.144334] CPU3: Core temperature/speed normal
Sep 10 21:02:58 cabron kernel: [100355.144335] CPU5: Package temperature/speed normal
Sep 10 21:02:58 cabron kernel: [100355.144335] CPU1: Package temperature/speed normal
Sep 10 21:02:58 cabron kernel: [100355.144336] CPU4: Package temperature/speed normal
Sep 10 21:02:58 cabron kernel: [100355.144337] CPU7: Core temperature/speed normal
Sep 10 21:02:58 cabron kernel: [100355.144337] CPU0: Package temperature/speed normal
Sep 10 21:02:58 cabron kernel: [100355.144338] CPU7: Package temperature/speed normal
Sep 10 21:02:58 cabron kernel: [100355.144338] CPU3: Package temperature/speed normal
Sep 10 21:02:58 cabron kernel: [100355.144376] CPU6: Package temperature/speed normal
Sep 10 21:02:58 cabron kernel: [100355.144376] CPU2: Package temperature/speed normal

现在，我在使用机器时运行 PSensors，所以我知道温度是多少。温度稳定在 50 摄氏度左右，偶尔会有轻微波动。我几乎听不到风扇转动的声音。

屏幕截图 psensors

我的问题是：

  1. 这里发生了什么？
  2. 阈值温度是多少？
  3. 我怎样才能阻止它污染我的 kern.log？

我在运行最新 1.30 固件的联想 X1 Carbon 上运行 Ubuntu 18.04LTS。以前的固件版本也出现了这个问题。

答案1

可能存在一个错误，但此解决方法可能会对您有所帮助：https://github.com/erpalma/lenovo-throttling-fix

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