SUMMARY - V880 CPU temp seems high - sparc US3+

From: Laurence Moughan <>
Date: Fri Dec 07 2007 - 05:41:43 EST
HI, Got answer fom a very helpful list member Adrian Cole.

#prtpicl -v -c temperature-sensor

This will allow you to see the operating range of the CPU's

This will look at the fru info on the CPU and display it to the screen.
The temps are different from system to system, and CPU to CPU.
The info in the fru id is set at manufacturing, and can varie from CPU speed
to CPU type. It should not be assumed that there is a default temp for all

My output for that CPU show's

  :HighShutdownThreshold         100
  :HighWarningThreshold  95
  :LowShutdownThreshold  -15
  :LowWarningThreshold   -10
  :Temperature   75
  :FaultInformation      NO_FAULT
  :State         OK
  :_class        temperature-sensor

So its well within stated range.




Hi All,

I have a V880 that has one cpu that seems to be runing hot. I have
googled/sundocs etc for cpu operating ranges but no joy,

Can someone advise on the operating ranges for US3 in V880 ?

Below from prtdiag - cpu7 is the hot one,.



Device		Temperature	Status---------------------------------------CPU0		 61
OKCPU1		 65		OKCPU2		 60		OKCPU3		 64		OKCPU4		 63		OKCPU5		 65		OKCPU6		 66
OKCPU7		 76		OKMB		 31		OKIOB		 25		OKDBP0		 25		OK

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Received on Fri Dec 7 05:42:53 2007

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