Detection threshold of 2/3 of the maximum speed is too low, some fans will slow down to about that speed so controlled fans may be missed. Use 3/4 as the threshold to avoid these false negatives. --- prog/pwm/pwmconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- lm-sensors.orig/prog/pwm/pwmconfig 2013-03-27 15:40:11.765902023 +0100 +++ lm-sensors/prog/pwm/pwmconfig 2013-03-27 16:11:52.899055263 +0100 @@ -449,7 +449,7 @@ do OS=`echo $SPEEDS | cut -d' ' -f$count` S=`echo $CURRENT_SPEEDS | cut -d' ' -f$count` echo " $j ... speed was $OS now $S" - let threshold=2*$OS/3 + let threshold=3*$OS/4 if [ $S -lt $threshold ] then echo " It appears that fan $j" -- Jean Delvare _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors