Weird fan behaviour on a 2950

Tony van Lingen tony.vanlingen at
Thu Jun 7 02:46:49 CDT 2007


I don't think its purely cosmetic. Raghavendra says:

> The Woodcrest CPUs on PE2950 no longer have ambient temperature sensor
> information.
If I understand this correctly that implies that the value returned (and the OK that you crave) are based on hogwash. That is far worse than no output at all, since it could lull you into thinking that all's well whilst the CPU is in fact almost well done and ready to serve... Am I right here Raghavendra?


Dirkjan Bussink wrote:
> Raghavendra_Biligiri at wrote:
>> The IPMI sensors have the sensor scanning disabled bit set; ipmitool
>> ignores this if there is a reading value returned.  
>> This reading should always be ignored if sensor scanning bit is enabled.
> When I applied the patch, the status 'ok' also disappeared. This makes
> the patch to me quite useless. It provides less information, so I can't
> easily detect temperature issues with the machines.
> So in my opinion, the patch removes information that is very useful, so
> I much more prefer the relative temperatures over no temperatures. To
> me, the issue is only minor and cosmetic, so I simply live with it :).


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