封装温度高于阈值虚警

Question

我的kern.log每5分钟就有一支这样的歌舞：

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。气温稳定在华氏50度左右，偶尔也会有轻微的颠簸。我从来不听球迷们跑。

我的问题是：

1. 这里发生了什么事？
2. 门槛温度是多少？
3. 我怎样才能阻止污染我的kern.log呢？

我运行Ubuntu18.04LTS的联想X1碳运行最新的1.30固件。以前的固件版本也显示了这个问题。

Answer 1

可能有一个bug，但希望这个解决办法可以帮助您：https://github.com/erpalma/lenovo-throttling-fix