119 lines
3.0 KiB
Markdown
119 lines
3.0 KiB
Markdown
# N00 内核补丁
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这个小主机需要打两个补丁，一个是关于显卡 `sriov` 的补丁,另外一个是关于风扇的补丁 `IT87`.
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- 显卡补丁 `i915-sriov-dkms` 这个在上篇已经介绍了。
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- 风扇 `IT87` 补丁
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项目都在github，大家搜索可以下到，为了比较懒的小伙伴，我计划把修改好的内核上传到github，大家可以直接下载到，再做个脚本文件，全自动化也不是不可以，一键脚本？
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## IT87 补丁
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这篇主要介绍风扇驱动的 `it87` 补丁, 下载关键字：`a1wong/it87`
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- 下载补丁
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- 安装补丁
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```
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Building & Installing
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---------------------
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* make clean
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* make
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* sudo make install
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Using DKMS
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----------
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To install:
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* sudo make dkms
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To remove:
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* sudo make dkms_clean
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```
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### 搞完了以后还需要添加一个驱动启用文件
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编辑 `/etc/modules-load.d/it87.conf`
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添加 `it87`
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大家可以用我提供的现成的命令执行：
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`echo "it87" > /etc/modules-load.d/it87.conf`
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### 还是常规，更新initramfs
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`Update-initramfs -u -k all`
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### 重启
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`reboot`
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## 检查是否成功
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检查驱动是否加载
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`lsmod | grep it87`
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需要先安装 `lm-sensors`
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- 安装
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`apt install lm-sensor`
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- 传感器检测
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`sensors-detect --auto`
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- 如果内核补丁打好了，就会如下显示：
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注意会出现 `fan`也就是风扇.
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`fan2: 514 RPM (min = 10 RPM)`
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如果没打补丁，会检测不到风扇。
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```
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# sensors
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coretemp-isa-0000 # cpu 核心温度
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Adapter: ISA adapter
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Package id 0: +46.0°C (high = +105.0°C, crit = +105.0°C)
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Core 0: +43.0°C (high = +105.0°C, crit = +105.0°C)
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Core 1: +43.0°C (high = +105.0°C, crit = +105.0°C)
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Core 2: +43.0°C (high = +105.0°C, crit = +105.0°C)
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Core 3: +43.0°C (high = +105.0°C, crit = +105.0°C)
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nvme-pci-0500 # 这里是 nvme 的温度
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Adapter: PCI adapter
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Composite: +43.9°C (low = -273.1°C, high = +89.8°C)
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(crit = +94.8°C)
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Sensor 1: +44.9°C (low = -273.1°C, high = +65261.8°C)
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Sensor 2: +49.9°C (low = -273.1°C, high = +65261.8°C)
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it8613-isa-0a30 # 这里IT87传感器，我们打补丁的目的，风扇速度啥的出来了！
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Adapter: ISA adapter
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in0: 748.00 mV (min = +2.50 V, max = +0.66 V) ALARM
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in1: 1.20 V (min = +0.89 V, max = +1.67 V)
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in2: 2.01 V (min = +2.20 V, max = +0.04 V) ALARM
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in4: 2.02 V (min = +0.08 V, max = +0.02 V) ALARM
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in5: 1.99 V (min = +0.40 V, max = +0.57 V) ALARM
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3VSB: 3.28 V (min = +3.76 V, max = +2.31 V) ALARM
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Vbat: 2.73 V
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+3.3V: 3.28 V
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fan2: 514 RPM (min = 10 RPM) # 风扇转速
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fan3: 0 RPM (min = 13 RPM) ALARM
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temp1: +54.0°C (low = +49.0°C, high = -87.0°C) ALARM sensor = thermal diode
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temp2: +44.0°C (low = -2.0°C, high = +124.0°C) sensor = thermal diode
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temp3: +54.0°C (low = +35.0°C, high = +48.0°C) ALARM
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intrusion0: ALARM
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```
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#### 很显然我这个已经成功了！
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# 感谢阅读
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