CRYSTALIDEA Forums

Hi,

Macs fan control shows incorrect cpu core temperature on a apple macpro1.1 with upgraded cpu's (changed to xeon 5355). xeon 5355 is not recognized by apple firmware. Do you think this is a bug with macs fan control or a consequence of the fact that I use unrecognized cpu's?

Some more details: When cpu's are under load, macs fan control shows lower core temperatures.

Thanks

--
Note: this is the technical info from the about dialog:

Macs Fan Control 1.1.12.1, MacPro1,1, Windows 7

Fans:
CPU_MEM-min{500}curr{999}max{2900}mode{1,999}
IO-min{500}curr{999}max{2900}mode{1,999}
EXHAUST-min{500}curr{998}max{2900}mode{1,999}
PS-min{800}curr{1263}max{2800}mode{2,Tp0C,42,50}


TempSensors:
TA0P (Ambient) - 30
TC0C (CPU A Core 0) - 46
TC0P (CPU Proximity) - 43.75
TC1C (CPU A Core 1) - 0
TC2C (CPU B Core 0) - 42
TC3C (CPU B Core 1) - 0
TCAH (CPU A HeatSink) - 38.5625
TCBH (CPU B HeatSink) - 40.75
TH0P (Drive Bay 0) - 32.5
TH1P (Drive Bay 1) - 31
TH2P (Drive Bay 2) - 33
TH3P (Drive Bay 3) - 32.5
THTG () - 45
TM0P () - 41
TM0S (DIMM Module 1) - 60
TM1P () - 45
TM1S (DIMM Module 2) - 61.5
TM2P () - 46
TM2S () - -1
TM3S () - -1
TM8P () - 38
TM8S () - -1
TM9P () - 40
TM9S () - -1
TMAP () - 41
TMAS () - -1
TMBS () - -1
TN0H (IOH HeatSink) - 63
TS0C () - 40
Tp0C (PSU1 Inlet Ambient) - 44
Tp1C (PSU1 Secondary Component) - 42.1406
Tv0S () - 45.7344
Tv1S () - 43.3906

and this is what happens when cpu's are under load for a minute:

Macs Fan Control 1.1.12.1, MacPro1,1, Windows 7

Fans:
CPU_MEM-min{500}curr{999}max{2900}mode{1,999}
IO-min{500}curr{998}max{2900}mode{1,999}
EXHAUST-min{500}curr{998}max{2900}mode{1,999}
PS-min{800}curr{1420}max{2800}mode{2,Tp0C,42,50}


TempSensors:
TA0P (Ambient) - 30
TC0C (CPU A Core 0) - 27
TC0P (CPU Proximity) - 50.5625
TC1C (CPU A Core 1) - 0
TC2C (CPU B Core 0) - 24
TC3C (CPU B Core 1) - 0
TCAH (CPU A HeatSink) - 46.3125
TCBH (CPU B HeatSink) - 48.9375
TH0P (Drive Bay 0) - 32.5
TH1P (Drive Bay 1) - 31.5
TH2P (Drive Bay 2) - 33
TH3P (Drive Bay 3) - 33
THTG () - 45
TM0P () - 42
TM0S (DIMM Module 1) - 61
TM1P () - 46
TM1S (DIMM Module 2) - 62.5
TM2P () - 46
TM2S () - -1
TM3S () - -1
TM8P () - 40
TM8S () - -1
TM9P () - 41
TM9S () - -1
TMAP () - 42
TMAS () - -1
TMBS () - -1
TN0H (IOH HeatSink) - 63.5
TS0C () - 46
Tp0C (PSU1 Inlet Ambient) - 45
Tp1C (PSU1 Secondary Component) - 43.5625
Tv0S () - 45.2109
Tv1S () - 43.5898


and this is a few minutes later with the same load:

Macs Fan Control 1.1.12.1, MacPro1,1, Windows 7

Fans:
CPU_MEM-min{500}curr{999}max{2900}mode{1,999}
IO-min{500}curr{998}max{2900}mode{1,999}
EXHAUST-min{500}curr{999}max{2900}mode{1,999}
PS-min{800}curr{1624}max{2800}mode{2,Tp0C,42,50}


TempSensors:
TA0P (Ambient) - 30.5
TC0C (CPU A Core 0) - 22
TC0P (CPU Proximity) - 55.8125
TC1C (CPU A Core 1) - 0
TC2C (CPU B Core 0) - 17
TC3C (CPU B Core 1) - 0
TCAH (CPU A HeatSink) - 51.0625
TCBH (CPU B HeatSink) - 54.9375
TH0P (Drive Bay 0) - 32.5
TH1P (Drive Bay 1) - 31.5
TH2P (Drive Bay 2) - 33
TH3P (Drive Bay 3) - 33
THTG () - 45
TM0P () - 45
TM0S (DIMM Module 1) - 62.5
TM1P () - 48
TM1S (DIMM Module 2) - 65
TM2P () - 47
TM2S () - -1
TM3S () - -1
TM8P () - 43
TM8S () - -1
TM9P () - 43
TM9S () - -1
TMAP () - 43
TMAS () - -1
TMBS () - -1
TN0H (IOH HeatSink) - 65.5
TS0C () - 50
Tp0C (PSU1 Inlet Ambient) - 46
Tp1C (PSU1 Secondary Component) - 45.7031
Tv0S () - 44.7812
Tv1S () - 43.8906

At this point open hardware monitor (another software) shows temperatures around 77 degress for cpu a, and values above 80 degrees for cpu b which I believe to be more sensible.

Note: the machine has a forced install of newer (unsupported) bootcamp drivers for windows 7. Officially supported drivers are available only for windows xp and windows vista (and that was the reason that I have installed macs fan control - I dont think that unsupported new bootcamp drivers make a sensible control of the fans).

Note: An error message that appears at system startup which I believe to originate from macs fan control is in the attachment.

sak99
Thank you for the info! This issue will be fixed in 1.2 version soon

Please run this test now:
http://forums.crystalidea.com/viewtopic.php?f=11&t=1073

Hi,

Unfortunately the commands failed as follows:

sak99s-Mac-Pro:macsfancontroltest_runTest sak99$ sudo kextload macsfancontrol.kext
/Users/sak99/Desktop/macsfancontroltest_runTest/macsfancontrol.kext failed to load - (libkern/kext) requested architecture/executable not found; check the system/kernel logs for errors or try kextutil(8).

I don't know if I did anything wrong or if it's just that kextload failed because the OS does not recognize the cpu (all that it recognizes is that the machine has 2 processors and a total of 8 cores, but the processor is unknown.)

Thanks,

This tool requires OS X 10.8

Please post a screenshot of MFC window when CPU A/B is loaded at 100%

OK, let's see what I can do. Pictures are in the attachment.

The first one (which is displayed second for some reason) was taken roughly one minute after starting POV-ray with their benchmark image, and the second one was taken a few minutes later.

Kind Regards,

Here's another (at the end of rendering task):

sak99
Thank you, the issue will be fixed soon in 1.2 version

im also seeing this bahavior on my Macpro3,1.

with the system loaded to 100% , my temps drop , when i unload the machine , at idle there Higher.

just like like the gentlemen in this thread with a Macpro1,1...

suncatalyst
Fixed in 1.2, will be released soon

Steven,

Thanks for the info.

Fixed in 1.2 version. Available as beta at the moment