sensors report all zero readings on Dell PowerEdge 830

Greg Vickers daehenoc at optusnet.com.au
Mon Oct 22 15:36:48 CDT 2007


Hi Louis,

L.P.H. van Belle wrote:
> try using ipmitools 
> 
> apt-get install ipmitools 
> combined with munin you get nice graphics. 
> 
> ipmisensor plugin is found on the munin exchange page. 

Thanks for the tip.

I've already got Nagios set up on this host for monitoring and am 
familiar with lm-sensors, I'm not familiar with ipmi, but I'll have a 
look at ipmi.  (A quick aptitude install ipmitool and I'm missing kernel 
modules, sigh.)

Thanks,
Greg

>> -----Oorspronkelijk bericht-----
>> Van: linux-poweredge-bounces at dell.com 
>> [mailto:linux-poweredge-bounces at dell.com] Namens Greg Vickers
>> Verzonden: maandag 22 oktober 2007 13:44
>> Aan: linux-poweredge at dell.com
>> Onderwerp: sensors report all zero readings on Dell PowerEdge 830
>>
>> Hi,
>>
>> I have installed lm-sensors v2.10.1-3 on a Dell PowerEdge 830 with
>> Debian Etch (stable) installed on it.  (This version is the version of
>> lm-sensors that is part of Debian Etch.)  sensors-detect works and
>> detects the i801 chipset:
>>
>> <snip>
>> Next adapter: SMBus I801 adapter at 08c0
>> Do you want to scan it? (YES/no/selectively):
>> Client found at address 0x08
>> Client found at address 0x2e
>> Handled by driver `lm85' (already loaded), chip type `lm85'
>> Client found at address 0x44
>> Probing for `Maxim MAX6633/MAX6634/MAX6635'...              No
>> Client found at address 0x50
>> Handled by driver `eeprom' (already loaded), chip type `eeprom'
>> Client found at address 0x52
>> Handled by driver `eeprom' (already loaded), chip type `eeprom'
>> Client found at address 0x60
>> Client found at address 0x69
>> <snip>
>> #----cut here----
>> # I2C adapter drivers
>> i2c-i801
>> # Chip drivers
>> lm85
>> eeprom
>> #----cut here----
>>
>> So those modules are loaded successfully:
>> # lsmod | egrep "i801|eeprom|i2c|lm85"
>> i2c_dev                 8548  0
>> eeprom                  7024  0
>> lm85                   27556  0
>> hwmon_vid               2784  1 lm85
>> i2c_i801                7468  0
>> i2c_core               19680  4 i2c_dev,eeprom,lm85,i2c_i801
>>
>> Output from dmesg:
>> # dmesg | grep i2c
>> i2c_adapter i2c-0: Unrecognized version/stepping 0x68 
>> Defaulting to LM85.
>> i2c /dev entries driver
>>
>> But when I run sensors:
>> # sensors
>> lm85-i2c-0-2e
>> Adapter: SMBus I801 adapter at 08c0
>> V1.5:       +0.00 V  (min =  +0.00 V, max =  +3.32 V)
>> VCore:      +0.00 V  (min =  +0.00 V, max =  +2.99 V)
>> V3.3:       +0.00 V  (min =  +0.00 V, max =  +4.38 V)
>> V5:        +0.00 V  (min =  +0.00 V, max =  +6.64 V)
>> V12:       +0.00 V  (min =  +0.00 V, max = +15.94 V)
>> CPU_Fan:      0 RPM  (min =    0 RPM)                     ALARM
>> fan2:         0 RPM  (min =    0 RPM)                     ALARM
>> fan3:         0 RPM  (min =    0 RPM)                     ALARM
>> fan4:         0 RPM  (min =    0 RPM)                     ALARM
>> CPU Temp:     +0 C  (low  =  -127 C, high =  +127 C)
>> Board Temp:   +0 C  (low  =  -127 C, high =  +127 C)
>> Remote Temp:  +0 C  (low  =  -127 C, high =  +127 C)
>> CPU_PWM:   255
>> Fan2_PWM:  255
>> Fan3_PWM:  255
>> vid:      +1.088 V  (VRM Version 10.0)
>>
>> All of the sensors are at zero?  So something is not working :(
>>
>> I've found a lm-sensors ticket #2182 logged in February this year,
>> (http://www.lm-sensors.org/ticket/2182) which appears to be the same
>> problem and there hasn't been an update to this ticket.
>>
>> I posted to the Debian users list and was told that I might have more
>> success here :)
>>
>> I've checked the FAQ and can't find anything in particular relating to
>> lm85 or to Dell hosts - am I missing something?
>>
>> If anyone has any suggestions, hints or tips I would love to 
>> hear from you!
>>
>> Thanks,
>> Greg
>>
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