[lm-sensors] Supermicro X7SPA-HF: in4 ALARM

[Jean Delvare]

On Fri, 6 Apr 2012 16:08:12 -0400, Justin Piszcz wrote:
> Hello,
> 
> Was curious why the max voltage does not show up properly for in4 (VDIMM)
> for this X7SPA-HF using lm sensors 3.3.1 or 3.3.2?
> 
> On the sensor reading page for IPMI:
> VDIMM	Normal	1.84 Volts

You should not mix IPMI with native Linux hardware monitoring driver.
There is no mutual exclusion on device access, and havoc can (and will)
happen.

> This is with lm_sensors:
> 
> --
> 
> $ sensors
> w83627dhg-isa-0ca0
> Adapter: ISA adapter
> Vcore:        +1.16 V  (min =  +0.72 V, max =  +1.39 V)
> Vnbcore:      +1.04 V  (min =  +0.94 V, max =  +1.16 V)
> AVCC:         +3.34 V  (min =  +2.98 V, max =  +3.63 V)
> +3.3V:        +3.34 V  (min =  +2.98 V, max =  +3.63 V)
> VDIMM:        +1.84 V  (min =  +1.62 V, max =  +0.00 V)  ALARM
> +5V:          +1.25 V  (min =  +1.13 V, max =  +1.38 V)
> +12V:         +0.75 V  (min =  +0.67 V, max =  +0.83 V)
> 3VSB:         +3.30 V  (min =  +2.98 V, max =  +3.63 V)
> Vbat:         +3.06 V  (min =  +2.70 V, max =  +3.30 V)
> SYS Temp:     +42.0°C  (high = +75.0°C, hyst = +70.0°C)  sensor = thermistor
> CPU Temp:     +40.5°C  (high = +90.0°C, hyst = +87.0°C)  sensor = diode
> Case Temp:    +24.0°C  (high = +80.0°C, hyst = +75.0°C)  sensor = diode
> $ sensors --version
> sensors version 3.3.1 with libsensors version 3.3.1
> 
> lm_sensors-3.3.2$ prog/sensors/sensors --version
> sensors version 3.3.2 with libsensors version 3.3.1
> 
> w83627dhg-isa-0ca0
> Adapter: ISA adapter
> Vcore:        +1.16 V  (min =  +0.72 V, max =  +1.39 V)
> Vnbcore:      +1.04 V  (min =  +0.94 V, max =  +1.16 V)
> AVCC:         +3.34 V  (min =  +2.98 V, max =  +3.63 V)
> +3.3V:        +3.34 V  (min =  +2.98 V, max =  +3.63 V)
> VDIMM:        +1.84 V  (min =  +1.62 V, max =  +0.00 V)  ALARM
> +5V:          +1.25 V  (min =  +1.13 V, max =  +1.38 V)
> +12V:         +0.75 V  (min =  +0.67 V, max =  +0.83 V)
> 3VSB:         +3.30 V  (min =  +2.98 V, max =  +3.63 V)
> Vbat:         +3.06 V  (min =  +2.70 V, max =  +3.30 V)
> SYS Temp:     +42.0°C  (high = +75.0°C, hyst = +70.0°C)  sensor = thermistor
> CPU Temp:     +40.5°C  (high = +90.0°C, hyst = +87.0°C)  sensor = CPU diode
> Case Temp:    +24.5°C  (high = +80.0°C, hyst = +75.0°C)  sensor = CPU diode
> 
> --
> 
> I also tried hardcoding in4_{min,max}:
> 
> $ cat /etc/sensors3.conf
> 
> chip "w83627ehf-*" "w83627dhg-*" "w83667hg-*" "nct6775-*" "nct6776-*"
> 
>     label in0 "Vcore"
>     label in1 "Vnbcore"
>     label in2 "AVCC"
>     label in3 "+3.3V"
>     label in4 "VDIMM"
>     label in5 "+5V"
>     label in6 "+12V"
>     label in7 "3VSB"
>     label in8 "Vbat"
>     label temp1 "SYS Temp"
>     label temp2 "CPU Temp"
>     label temp3 "Case Temp"
> 
>     set in2_min  3.3 * 0.90
>     set in2_max  3.3 * 1.10
>     set in3_min  3.3 * 0.90
>     set in3_max  3.3 * 1.10
> # http://lists.lm-sensors.org/pipermail/lm-sensors/2010-November/030368.html
>     set in4_min  1.62
>     set in4_max  1.98
>     set in7_min  3.3 * 0.90
>     set in7_max  3.3 * 1.10
>     set in8_min  3.0 * 0.90
>     set in8_max  3.0 * 1.10
> 
>     ignore fan1
>     ignore fan2
>     ignore fan3
>     ignore fan4
>     ignore fan5
>     ignore cpu0_vid
>     ignore intrusion0

Did you run "sensors -s" after changing the configuration file?

-- 
Jean Delvare