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Poma
Asked: 2011-10-04 03:51:03 +0800 CST

Can't get IPMI sensor data

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I have SuperMicro 1U 6016T-MTHF with Winbond WPCM450 BMC server. Here's my problem:

root@foo:~# ipmitool -I open sensor
FAN 1            | 8281.000   | RPM        | ok    | 400.000   | 576.000   | 784.000   | 33856.000 | 34225.000 | 34596.000
FAN 2            | 9216.000   | RPM        | ok    | 400.000   | 576.000   | 784.000   | 33856.000 | 34225.000 | 34596.000
FAN 3            | 9216.000   | RPM        | ok    | 400.000   | 576.000   | 784.000   | 33856.000 | 34225.000 | 34596.000
FAN 4            | 8281.000   | RPM        | ok    | 400.000   | 576.000   | 784.000   | 33856.000 | 34225.000 | 34596.000
FAN 5            | na         | RPM        | na    | na        | na        | na        | na        | na        | na
FAN 6            | na         | RPM        | na    | na        | na        | na        | na        | na        | na
CPU1 Vcore       | 0.864      | Volts      | ok    | 0.776     | 0.800     | 0.824     | 1.352     | 1.376     | 1.400
CPU2 Vcore       | na         | Volts      | na    | na        | na        | na        | na        | na        | na
CPU1 DIMM        | 1.520      | Volts      | ok    | 1.288     | 1.312     | 1.336     | 1.656     | 1.680     | 1.704
CPU2 DIMM        | na         | Volts      | na    | na        | na        | na        | na        | na        | na
+5 V             | 5.120      | Volts      | ok    | 4.416     | 4.448     | 4.480     | 5.536     | 5.568     | 5.600
+5VSB            | 5.088      | Volts      | ok    | 4.416     | 4.448     | 4.480     | 5.536     | 5.568     | 5.600
+12 V            | 12.137     | Volts      | ok    | 10.600    | 10.653    | 10.706    | 13.250    | 13.303    | 13.356
-12 V            | -12.680    | Volts      | ok    | -13.650   | -13.456   | -13.262   | -10.546   | -10.352   | -10.158
VTT              | 1.112      | Volts      | ok    | 0.808     | 0.816     | 0.824     | 1.320     | 1.336     | 1.352
+3.3VCC          | 3.312      | Volts      | ok    | 2.880     | 2.904     | 2.928     | 3.648     | 3.672     | 3.696
+3.3VSB          | 3.264      | Volts      | ok    | 2.880     | 2.904     | 2.928     | 3.648     | 3.672     | 3.696
VBAT             | 3.168      | Volts      | ok    | 2.880     | 2.904     | 2.928     | 3.648     | 3.672     | 3.696
CPU1 Temp        | 0x0        | discrete   | 0x0000| na        | na        | na        | na        | na        | na
CPU2 Temp        | 0x7        | discrete   | 0x0700| na        | na        | na        | na        | na        | na
System Temp      | 29.000     | degrees C  | ok    | -9.000    | -7.000    | -5.000    | 75.000    | 77.000    | 79.000
P1-DIMM1A        | 35.000     | degrees C  | ok    | -9.000    | -7.000    | -5.000    | 65.000    | 70.000    | 75.000
P1-DIMM2A        | 37.000     | degrees C  | ok    | -9.000    | -7.000    | -5.000    | 65.000    | 70.000    | 75.000
P1-DIMM3A        | 38.000     | degrees C  | ok    | -9.000    | -7.000    | -5.000    | 65.000    | 70.000    | 75.000
P2-DIMM1A        | na         | degrees C  | na    | na        | na        | na        | na        | na        | na
P2-DIMM2A        | na         | degrees C  | na    | na        | na        | na        | na        | na        | na
P2-DIMM3A        | na         | degrees C  | na    | na        | na        | na        | na        | na        | na
Chassis Intru    | 0x0        | discrete   | 0x0000| na        | na        | na        | na        | na        | na
PS Status        | 0x1        | discrete   | 0x01ff| na        | na        | na        | na        | na        | na

Here I can see 'VTT' sensor, but this command fails:

root@foo:~# ipmitool -I open sensor get VTT
Locating sensor record...
Sensor data record "VTT" not found!

All other sensors work fine. Any Ideas why that single sensor is not working?

linux ubuntu ipmi munin

1 Answers

  1. On my system the sensor is called System VTT and doesn't work either... byt when I put space after VTT it works - it can be the same trick on yours :-)

    # ipmitool -I open sensor|grep VTT
System VTT       | 1.137      | Volts      | ok    | na        | na        | na        | na        | na        | na        

    ipmitool -I open sensor get 'System VTT'
Locating sensor record...
Sensor data record "System VTT" not found!

    doesn't work but:

    ipmitool -I open sensor get 'System VTT '
Locating sensor record...
Sensor ID              : System VTT  (0x8f)
 Entity ID             : 3.6
 Sensor Type (Analog)  : Voltage
 Sensor Reading        : 1.137 (+/- 0) Volts
 Status                : ok
 Lower Non-Recoverable : na
 Lower Critical        : na
 Lower Non-Critical    : na
 Upper Non-Critical    : na
 Upper Critical        : na
 Upper Non-Recoverable : na
 Event Status          : Event Messages Disabled
 Assertion Events      : 
 Event Enable          : Event Messages Disabled
 Assertions Enabled    : unc-

    does work as expected.

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