Loaded the latest Kernel .. Following produced erratic fan speed .. see that the fan naming seems sorted. Pity that did not solve it! # echo 200 > /sys/class/hwmon/hwmon3/pwm1 # echo 70 > /sys/class/hwmon/hwmon3/pwm1 # sensors radeon-pci-0100 Adapter: PCI adapter temp1: +57.0°C (crit = +120.0°C, hyst = +90.0°C)
coretemp-isa-0000 Adapter: ISA adapter Core 0: +32.0°C (high = +83.0°C, crit = +99.0°C) Core 1: +30.0°C (high = +83.0°C, crit = +99.0°C) Core 2: +32.0°C (high = +83.0°C, crit = +99.0°C) Core 3: +29.0°C (high = +83.0°C, crit = +99.0°C) it8721-isa-0a10 Adapter: ISA adapter in0: +0.85 V (min = +2.65 V, max = +2.28 V) ALARM in1: +3.02 V (min = +2.87 V, max = +0.66 V) ALARM in2: +2.00 V (min = +1.01 V, max = +1.44 V) ALARM +3.3V: +3.29 V (min = +4.56 V, max = +4.37 V) ALARM in4: +2.99 V (min = +2.66 V, max = +2.82 V) ALARM in5: +2.22 V (min = +2.62 V, max = +3.06 V) ALARM in6: +2.22 V (min = +2.29 V, max = +2.83 V) ALARM 3VSB: +3.34 V (min = +5.35 V, max = +4.58 V) ALARM Vbat: +3.02 V fan1: 3199 RPM (min = 13 RPM) fan2: 809 RPM (min = 21 RPM) temp1: -78.0°C (low = +39.0°C, high = -68.0°C) sensor = thermal diode temp2: -8.0°C (low = -25.0°C, high = -93.0°C) sensor = thermistor temp3: -67.0°C (low = -77.0°C, high = -49.0°C) sensor = Intel PECI intrusion0: ALARM dell_smm-virtual-0 Adapter: Virtual device Processor Fan: 3222 RPM Motherboard Fan: 815 RPM # uname -a Linux HomeMegaUbuntu 4.4.0-040400rc3-generic #201511300321 SMP Mon Nov 30 03:23:36 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux # -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1514052 Title: erratic fan speed and little control kernel 4.2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1514052/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
