使用 Linux Mint 14 时，笔记本电脑风扇始终处于开启状态

Question

我正在使用 Linux Mint 14 Cinnamon 64 位。我的笔记本电脑风扇一直开着有问题。笔记本电脑的详细信息和读取的读数：

Linux core-Inspiron-N7010 3.5.0-17-generic #28-Ubuntu SMP
    Tue Oct 9 19:31:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

Sensors 
    acpitz-virtual-0 Adapter: Virtual device
    temp1:        +26.8°C  (crit = +100.0°C)
    temp2:         +0.0°C  (crit = +100.0°C)

radeon-pci-0200
Adapter: PCI adapter
temp1:        +75.5°C 

coretemp-isa-0000
Adapter: ISA adapter
Core 0:       +54.0°C  (high = +95.0°C, crit = +105.0°C)
Core 2:       +52.0°C  (high = +95.0°C, crit = +105.0°C)

inxi -Fc 0

System:    Host: core-Inspiron-N7010 
Kernel: 3.5.0-17-generic x86_64 (64 bit)
Desktop: Gnome Distro: Linux Mint 14 Nadia
Machine:
    Mobo: Dell model: 0PJTXT version: A11 serial: .24XCSN1.CN486430B30123.
    Bios: Dell version: A11 date: 03/31/2011
CPU:
    Dual core Intel Core i5 CPU M 460 (-HT-MCP-)
    cache: 3072 KB
    flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx)
       Clock Speeds: 
           1: 1199.00 MHz 2: 1199.00 MHz 
           3: 1199.00 MHz 4: 1199.00 MHz
       Graphics:
           Card: Advanced Micro Devices [AMD] nee ATI Manhattan 
               [Mobility Radeon HD 5400 Series]
           X.org: 1.13.0 drivers: ati,radeon (unloaded: fbdev,vesa)
                tty size: 197x48 Advanced Data: N/A for root
       Audio:     
           Card-1: Intel 5 Series/3400 Series Chipset
                 High Definition Audio driver: snd_hda_intel 
                 Sound: ALSA ver: 1.0.25
           Card-2: Advanced Micro Devices [AMD] nee ATI Cedar HDMI Audio 
                [Radeon HD 5400/6300 Series] driver: snd_hda_intel
       Network:
           Card-1: Atheros AR8152 v1.1 Fast Ethernet 
               driver: atl1c
               IF: eth0 state: down mac: f0:4d:a2:57:71:f4
           Card-2: Broadcom BCM4313 802.11b/g/n Wireless LAN Controller
               driver: bcma-pci-bridge
               IF: wlan0 state: up mac: 1c:65:9d:7c:e8:5e
       Drives:    HDD Total Size: 128.0GB (3.2% used) 1: 
           id: /dev/sda model: SAMSUNG_SSD_830 size: 128.0GB
               Partition: 
                   ID: / size: 110G used: 3.8G (4%) fs: ext4 
                   ID: swap-1 size: 8.44GB used: 0.00GB (0%) fs: swap
       RAID:      No RAID devices detected - 
           /proc/mdstat and md_mod kernel raid module present
       Sensors:   System Temperatures: cpu: 26.8C mobo: 0.0C gpu: 76.0
       Fan Speeds (in rpm): cpu: N/A
       Info:      Processes: 162 Uptime: 17 min 
           Memory: 915.1/7847.5MB Client: Shell inxi: 1.8.4

Answer 1

两个主要步骤：

1. 弄清楚明显组件的驱动程序是否支持 Linux 下的电源管理。CPU和风扇可以根据温度加速或减速吗？可以关闭硬件以节省电量吗？
   电源管理需要每个组件的专用驱动程序支持。这不是单一的事情。

2. 找出哪些服务/进程让您的笔记本电脑忙碌，以便您可以决定是否要禁用它们。尝试一下 Intel 的Linux 版 Powertop，看看哪个设备让您的笔记本电脑忙碌。