SMC read errors flooding system.log

[tylerkerr]

When htop is running with CPU temp/fan meters added, every update sends SMC read errors to system.log:

5/8/14 4:24:40.000 PM kernel[0]: SMC::smcReadKeyAction ERROR F1Ac kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff8034e4d000
5/8/14 4:24:40.000 PM kernel[0]: SMC::smcReadKeyAction ERROR F1Mx kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff8034e4d000
5/8/14 4:24:40.000 PM kernel[0]: SMC::smcReadKeyAction ERROR F2Ac kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff8034e4d000
5/8/14 4:24:40.000 PM kernel[0]: SMC::smcReadKeyAction ERROR F2Mx kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff8034e4d000
5/8/14 4:24:40.000 PM kernel[0]: SMC::smcReadKeyAction ERROR F3Ac kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff8034e4d000
5/8/14 4:24:40.000 PM kernel[0]: SMC::smcReadKeyAction ERROR F3Mx kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff8034e4d000
5/8/14 4:24:40.000 PM kernel[0]: SMC::smcReadKeyAction ERROR TCAH kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff8034e4d000
5/8/14 4:24:40.000 PM kernel[0]: SMC::smcReadKeyAction ERROR TCBH kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff8034e4d000
5/8/14 4:24:40.000 PM kernel[0]: SMC::smcReadKeyAction ERROR TC0H kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff8034e4d000

OS X 10.9.2
htop 0.8.2.2 installed through homebrew
11" Macbook Air (2012)

[ReedEspinosa]

I am having the same issue with OS X 10.9.5 on a 13" MacBook Pro (late 2012). The entries in my log are identical, except for one additional line:

2/9/15 1:23:06.000 PM kernel[0]: SMC::smcReadKeyAction ERROR TC0D kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff801d59b000

[Xoib]

I also had it when I was on OS X 1.9.5 but since 10.10 it is gone. SMC module has been upgraded so I didn't looked more into it.