当 CPU 传感器未提供数据时温度检测错误

[Masterain98]

如上截图可以看到温度检测到 105 度，但是实际上这个是极限阈值温度，使用 ipmitool sensor 和 sensor 命令可以发现只是传感器没有反馈数据，脚本在这种情况下应该显示未获取数据错误。

[root@us1 ~]# ipmitool sensor
System Temp      | 27.000     | degrees C  | ok    | -9.000    | -7.000    | -5.000    | 80.000    | 85.000    | 90.000    
Peripheral Temp  | 42.000     | degrees C  | ok    | -9.000    | -7.000    | -5.000    | 80.000    | 85.000    | 90.000    
CPU Temp         | 0x0        | discrete   | 0x0000| na        | na        | na        | na        | na        | na        
FAN 1            | na         |            | na    | na        | na        | na        | na        | na        | na        
FAN 2            | na         |            | na    | na        | na        | na        | na        | na        | na        
FAN 3            | 2850.000   | RPM        | ok    | 300.000   | 450.000   | 600.000   | 18975.000 | 19050.000 | 19125.000 
FAN 4            | na         |            | na    | na        | na        | na        | na        | na        | na        
FAN A            | 3075.000   | RPM        | ok    | 300.000   | 450.000   | 600.000   | 18975.000 | 19050.000 | 19125.000 
Vcore            | 0.896      | Volts      | ok    | 0.480     | 0.512     | 0.544     | 1.488     | 1.520     | 1.552     
3.3VCC           | 3.344      | Volts      | ok    | 2.816     | 2.880     | 2.944     | 3.584     | 3.648     | 3.712     
12V              | 12.296     | Volts      | ok    | 10.494    | 10.600    | 10.706    | 13.091    | 13.197    | 13.303    
VDIMM            | 1.536      | Volts      | ok    | 1.152     | 1.216     | 1.280     | 1.760     | 1.776     | 1.792     
5VCC             | 5.088      | Volts      | ok    | 4.096     | 4.320     | 4.576     | 5.344     | 5.600     | 5.632     
-12V             | -11.904    | Volts      | ok    | -13.844   | -13.650   | -13.456   | -10.934   | -10.740   | -10.546   
VBAT             | 3.200      | Volts      | ok    | 2.816     | 2.880     | 2.944     | 3.584     | 3.648     | 3.712     
VSB              | 3.360      | Volts      | ok    | 2.816     | 2.880     | 2.944     | 3.584     | 3.648     | 3.712     
AVCC             | 3.344      | Volts      | ok    | 2.816     | 2.880     | 2.944     | 3.584     | 3.648     | 3.712     
Chassis Intru    | 0x0        | discrete   | 0x0000| na        | na        | na        | na        | na        | na  

[root@us1 ~]# sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:        +27.8°C  (crit = +106.0°C)
temp2:        +29.8°C  (crit = +106.0°C)

coretemp-isa-0000
Adapter: ISA adapter
Package id 0:  +42.0°C  (high = +85.0°C, crit = +105.0°C)
Core 0:        +42.0°C  (high = +85.0°C, crit = +105.0°C)
Core 1:        +38.0°C  (high = +85.0°C, crit = +105.0°C)
Core 2:        +38.0°C  (high = +85.0°C, crit = +105.0°C)
Core 3:        +37.0°C  (high = +85.0°C, crit = +105.0°C)