November 23, 201411 yr Hello guys, I have a big problem: every now and then IPMI senses that my fans are not spinning and gives an error. If I try to run the command "sensors" this is what I get: root@Server:~# sensors coretemp-isa-0000 Adapter: ISA adapter Core 0: +33.0 C (crit = +100.0 C) Core 1: +32.0 C (crit = +100.0 C) w83627dhg-isa-0ca0 Adapter: ISA adapter Vcore: +1.16 V (min = +0.72 V, max = +0.31 V) ALARM in1: +1.04 V (min = +0.94 V, max = +1.16 V) AVCC: +3.25 V (min = +2.96 V, max = +0.62 V) ALARM VCC: +3.25 V (min = +0.62 V, max = +0.58 V) ALARM in4: +1.54 V (min = +1.35 V, max = +1.65 V) in5: +1.26 V (min = +1.13 V, max = +0.00 V) ALARM in6: +1.86 V (min = +0.00 V, max = +0.01 V) ALARM 3VSB: +3.25 V (min = +2.96 V, max = +3.63 V) Vbat: +3.01 V (min = +2.96 V, max = +3.63 V) fan1: 0 RPM (min = 10546 RPM, div = 128) ALARM fan2: 0 RPM (min = 10546 RPM, div = 128) ALARM fan3: 0 RPM (min = 10546 RPM, div = 128) ALARM fan4: 0 RPM (min = 555 RPM, div = 128) fan5: 0 RPM (min = 10546 RPM, div = 128) ALARM temp1: +42.0 C (high = +75.0 C, hyst = +70.0 C) sensor = thermistor temp2: +43.0 C (high = +86.0 C, hyst = +97.0 C) sensor = diode temp3: +27.5 C (high = +80.0 C, hyst = +75.0 C) sensor = diode cpu0_vid: +0.000 V As you can see fan4, which is the header where 2 PWM fans are connected, is reported to be at 0 RPM, which isn't true! If I try to directly change the RPM of my fans with the command: echo 70 > /sys/class/hwmon/hwmon1/device/pwm4 nothing happen What can I do??
November 23, 201411 yr I dont think its wise to run more than one fan per header. try putting them on separate headers.
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